DoctorsProofNPPES directory · verify at state boards

Internal Medicine in Orange, CA

306 verified internal medicine doctors in Orange. Page 3 of 6.

Internists specialize in the prevention, diagnosis, and treatment of adult diseases, often coordinating complex or chronic conditions across multiple systems.

NPPES tenure ≠ clinical experience. "Years on NPPES" is time since the physician first registered a National Provider Identifier, not time practicing medicine. Verify current license status with the state medical board.

Verify a license at the Medical Board of California

Dr. Julie Leahy, MD

Internal Medicine

16 yrs NPPES
NPI 1477884294
845 W LA VETA AVE, SUITE 108, Orange, CA 92868(714) 289-3904
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Erin Newman, MD

Internal Medicine

16 yrs NPPES
NPI 1043542871
101 THE CITY DR S BLDG 29, Orange, CA 92868(714) 456-7002
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Ivan Yee, DO

Internal Medicine

16 yrs NPPES
NPI 1154653640
3506 WOODBINE RD., Orange, CA 92867(714) 974-8788
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Tsang Lau, MD

Internal Medicine

16 yrs NPPES
NPI 1700100732
625 THE CITY DR S, Orange, CA 92868(714) 202-2330
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Yio-Fan Hsu, MD

Internal Medicine

16 yrs NPPES
NPI 1588989529
2501 E CHAPMAN AVE, ST. JOSEPH HERITAGE MEDICAL GROUP, Orange, CA 92869(714) 633-1011
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $31.11 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$31.11

Total received

1

Transactions

1

Paying companies

Top paying companies

Pfizer Inc.$31.11

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 69th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Yio-Fan Hsu do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Katayoon Shahrokh, MD

Internal Medicine

16 yrs NPPES
NPI 1629396494
101 THE CITY DR S, CITY TOWER, STE 400, Orange, CA 92868(714) 456-8874
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Michael Mullaney, MD

Internal Medicine

16 yrs NPPES
NPI 1427378124
2501 E CHAPMAN AVE, ST. JOSEPH HERITAGE MEDICAL GROUP, Orange, CA 92869(714) 633-1011
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Katayun Saadai, MD

Internal Medicine

16 yrs NPPES
NPI 1225358989
1010 W LA VETA AVE STE 750, Orange, CA 92868(714) 361-6600
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $234.17 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$234.17

Total received

12

Transactions

6

Paying companies

Top paying companies

GlaxoSmithKline, LLC.$107.20
Exact Sciences Corporation$38.61
Merck Sharp & Dohme LLC$30.18
Inari Medical, Inc.$27.07
Edwards Lifesciences Corporation$16.38
Seqirus USA Inc$14.73

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 83th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Katayun Saadai do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Elizabeth Brem, MD

Internal Medicine

16 yrs NPPES
NPI 1578883781
101 THE CITY DR S BLDG 23, Orange, CA 92868(714) 456-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $223,654 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$223,654

Total received

78

Transactions

13

Paying companies

Top paying companies

Incyte Corporation$84,778
AstraZeneca Pharmaceuticals LP$36,455
Kite Pharma, Inc.$30,091
Genmab A/S$29,800
ADC Therapeutics America, Inc.$16,203
BeiGene USA, Inc.$12,366

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 99% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Elizabeth Brem do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Olivia Tirado, MD

Internal Medicine

16 yrs NPPES
NPI 1962703504
101 THE CITY DR S, Orange, CA 92868(714) 880-7812
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Bhavana Pathak, MD

Internal Medicine

15 yrs NPPES
NPI 1154610319
230 S MAIN ST STE 100, Orange, CA 92868(714) 541-0101
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Yongen Chang, MD

Internal Medicine

15 yrs NPPES
NPI 1932490034
101 THE CITY DR S, SUITE 400, Orange, CA 92868(714) 456-7004
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $131,583 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$131,583

Total received

4

Transactions

3

Paying companies

Top paying companies

NOVARTIS PHARMACEUTICALS CORPORATION$129,570
Otsuka Pharmaceutical Development & Commercialization, Inc.$2,000
Calliditas Therapeutics US Inc.$13.60

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 99% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Yongen Chang do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Hoang Anh Nguyen, MD

Internal Medicine

15 yrs NPPES
NPI 1407147440
101 THE CITY DR S, Orange, CA 92868(714) 880-7812
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Dharmi Patel, MD

Internal Medicine

15 yrs NPPES
NPI 1295026052
101 THE CITY DR S, Orange, CA 92868(714) 456-6776
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Eui Cha, MD

Internal Medicine

15 yrs NPPES
NPI 1497047757
2501 E CHAPMAN AVE STE 300, Orange, CA 92869(714) 771-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $889.65 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$889.65

Total received

14

Transactions

8

Paying companies

Top paying companies

Abbott Laboratories$153.90
Boehringer Ingelheim Pharmaceuticals, Inc.$151.12
Amgen Inc.$136.11
Karyopharm Therapeutics Inc.$125.00
Takeda Pharmaceuticals U.S.A., Inc.$117.51
Pfizer Inc.$115.15

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 91% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Eui Cha do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Michael Rochon-Duck, MD

Internal Medicine

15 yrs NPPES
NPI 1609168517
101 THE CITY DR S STE 400, Orange, CA 92868(714) 456-6693
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $126.60 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$126.60

Total received

5

Transactions

1

Paying companies

Top paying companies

Abbott Laboratories$126.60

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 78th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Michael Rochon-Duck do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Elizabeth Chao, MD

Internal Medicine

15 yrs NPPES
NPI 1700179157
101 THE CITY DR S, Orange, CA 92868(714) 456-7004
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Sweta Chekuri, MD

Internal Medicine

15 yrs NPPES
NPI 1841584273
101 THE CITY DR S, Orange, CA 92868(714) 880-7812
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $153.90 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$153.90

Total received

1

Transactions

1

Paying companies

Top paying companies

Abbott Laboratories$153.90

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 80th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Sweta Chekuri do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Pavan Mankal, MD

Internal Medicine

15 yrs NPPES
NPI 1760777320
101 THE CITY DR S, Orange, CA 92868(714) 456-8888
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,160 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$1,160

Total received

55

Transactions

17

Paying companies

Top paying companies

AbbVie Inc.$280.84
Merck Sharp & Dohme LLC$120.65
Janssen Biotech, Inc.$116.02
Takeda Pharmaceuticals U.S.A., Inc.$93.13
Salix Pharmaceuticals, a division of Bausch Health US, LLC$82.40
Nestle HealthCare Nutrition Inc.$80.58

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 93% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Pavan Mankal do not imply any wrongdoing. Many are meals, education, or research support.

Dr. May Cho, MD

Internal Medicine

15 yrs NPPES
NPI 1619263514
101 THE CITY DR S, Orange, CA 92868(714) 880-7812
NPPES public registry
CMS Open Payments· $138,909 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$138,909

Total received

119

Transactions

14

Paying companies

Top paying companies

AstraZeneca Pharmaceuticals LP$64,045
Seagen Inc.$57,282
Pfizer Inc.$7,920
EISAI INC.$3,101
Exelixis Inc.$2,698
Taiho Oncology, Inc.$2,189

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 99% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to May Cho do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Mansi Kothari, MD

Internal Medicine

15 yrs NPPES
NPI 1093002792
333 CITY BLVD W, SUITE 400, Orange, CA 92868(714) 456-6745
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Thuyet Ho, MD

Internal Medicine

15 yrs NPPES
NPI 1265720056
1310 W STEWART DR STE 410, Orange, CA 92868(714) 639-9401
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $117.21 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$117.21

Total received

5

Transactions

3

Paying companies

Top paying companies

Salix Pharmaceuticals, a division of Bausch Health US, LLC$67.77
Pfizer Inc.$26.35
Janssen Pharmaceuticals, Inc$23.09

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 77th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Thuyet Ho do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Huawei Dong, MD

Internal Medicine

15 yrs NPPES
NPI 1528346103
101 THE CITY DR S, Orange, CA 92868(714) 456-7110
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $191,220 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$191,220

Total received

55

Transactions

6

Paying companies

Top paying companies

Roche Products Limited$144,272
CSL Behring$37,283
Boehringer Ingelheim Pharmaceuticals, Inc.$9,305
GlaxoSmithKline, LLC.$186.10
Genentech USA, Inc.$147.01
United Therapeutics Corporation$27.66

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 99% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Huawei Dong do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Kevin Mcbride, MD

Internal Medicine

15 yrs NPPES
NPI 1386924017
1100 W STEWART DR, Orange, CA 92868(714) 771-8177
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Joyce Limurti, DO

Internal Medicine

15 yrs NPPES
NPI 1215218995
101 THE CITY DR S, Orange, CA 92868(714) 456-8888
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Hiroki Saito, MD

Internal Medicine

15 yrs NPPES
NPI 1851673040
101 THE CITY DR S, Orange, CA 92868(714) 456-7890
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Divya Chode, MD

Internal Medicine

15 yrs NPPES
NPI 1598040339
1310 W STEWART DR, STE 410, Orange, CA 92868(714) 639-9401
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $527.46 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$527.46

Total received

7

Transactions

4

Paying companies

Top paying companies

Inari Medical, Inc.$232.30
Abbott Laboratories$153.89
Pfizer Inc.$115.15
Boehringer Ingelheim Pharmaceuticals, Inc.$26.12

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 88th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Divya Chode do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Sandy Liu, MD

Internal Medicine

15 yrs NPPES
NPI 1174808224
101 THE CITY DR S, Orange, CA 92868(714) 456-8888
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $83,565 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$83,565

Total received

140

Transactions

17

Paying companies

Top paying companies

Exelixis Inc.$48,380
EISAI INC.$13,361
Seagen Inc.$6,785
Astellas Pharma US Inc$4,272
EMD Serono, Inc.$3,315
Merck Sharp & Dohme LLC$3,010

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 99% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Sandy Liu do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Sandra Sunhee Park, MD

Internal Medicine

15 yrs NPPES
NPI 1225305915
101 THE CITY DR S BLDG 22C, Orange, CA 92868(888) 717-4463
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $40,267 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$40,267

Total received

51

Transactions

7

Paying companies

Top paying companies

Arena Pharmaceuticals, Inc.$9,248
Lilly USA, LLC$9,231
Pfizer Inc.$7,644
Eli Lilly and Company$6,881
AbbVie Inc.$6,300
Nestle HealthCare Nutrition Inc.$756.57

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 98% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Sandra Sunhee Park do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Kumar Gandhi, MD

Internal Medicine

14 yrs NPPES
NPI 1821369877
1215 E CHAPMAN AVE, Orange, CA 92866(714) 633-4600
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,312 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$1,312

Total received

37

Transactions

10

Paying companies

Top paying companies

Janssen Pharmaceuticals, Inc$390.88
Alkermes, Inc.$315.37
GlaxoSmithKline, LLC.$243.80
Novo Nordisk Inc$148.68
Lilly USA, LLC$43.75
Vanda Pharmaceuticals Inc.$41.25

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 93% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Kumar Gandhi do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Jason Caberto, DO

Internal Medicine

14 yrs NPPES
NPI 1144592924
2501 E CHAPMAN AVE, Orange, CA 92869(714) 771-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $186.31 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$186.31

Total received

8

Transactions

5

Paying companies

Top paying companies

Salix Pharmaceuticals, a division of Bausch Health US, LLC$67.77
Janssen Pharmaceuticals, Inc$49.69
Pfizer Inc.$26.35
Boehringer Ingelheim Pharmaceuticals, Inc.$26.12
E.R. Squibb & Sons, L.L.C.$16.38

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 81th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Jason Caberto do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Katherine Wood, MD

Internal Medicine

14 yrs NPPES
NPI 1689931719
101 THE CITY DR S BLDG 25, Orange, CA 92868(714) 456-3634
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $14,089 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$14,089

Total received

71

Transactions

4

Paying companies

Top paying companies

Abbott Laboratories$12,974
ABIOMED$826.04
CVRx, Inc.$242.58
Stryker Corporation$46.21

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 98% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Katherine Wood do not imply any wrongdoing. Many are meals, education, or research support.

Dr. David Lee, MD

Internal Medicine

14 yrs NPPES
NPI 1992064976
101 THE CITY DR S, CITY TOWER, SUITE 400, ZOT 4092, Orange, CA 92868(714) 456-6745
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $808.54 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$808.54

Total received

13

Transactions

9

Paying companies

Top paying companies

Boston Scientific Corporation$298.30
Medtronic, Inc.$172.88
Cook Medical LLC$118.59
FUJIFILM Healthcare Americas Corporation$75.00
AbbVie Inc.$51.76
Merck Sharp & Dohme LLC$37.93

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 91% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to David Lee do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Chung Cuiffo, MD

Internal Medicine

14 yrs NPPES
NPI 1659630556
1100 W STEWART DR, Orange, CA 92868(714) 771-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Ian Chang, DO

Internal Medicine

14 yrs NPPES
NPI 1407116411
101 THE CITY DR S BLDG 30, Orange, CA 92868(714) 456-7720
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Jenny Dai-Ju, MD

Internal Medicine

14 yrs NPPES
NPI 1336497775
101 THE CITY DR S, Orange, CA 92868(714) 880-7812
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $664.02 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$664.02

Total received

13

Transactions

3

Paying companies

Top paying companies

Medtronic, Inc.$605.63
Insulet Corporation$38.46
MannKind Corporation$19.93

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 90% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Jenny Dai-Ju do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Shirin Majdizadeh, MD

Internal Medicine

14 yrs NPPES
NPI 1700135126
2501 E CHAPMAN AVE STE 207, Orange, CA 92869(714) 771-8177
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Christopher Vercammen-Grandjean, MD

Internal Medicine

13 yrs NPPES
NPI 1942543699
563 S KENSINGTON RD, Orange, CA 92869(619) 865-9156
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $17.05 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$17.05

Total received

1

Transactions

1

Paying companies

Top paying companies

AbbVie Inc.$17.05

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 65th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Christopher Vercammen-Grandjean do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Saif Al Yaseen, MD

Internal Medicine

13 yrs NPPES
NPI 1356684096
2501 E CHAPMAN AVE, Orange, CA 92869(714) 633-1011
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $47.87 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$47.87

Total received

2

Transactions

1

Paying companies

Top paying companies

Salix Pharmaceuticals, a division of Bausch Health US, LLC$47.87

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 71th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Saif Al Yaseen do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Timmy Cheng, MD

Internal Medicine

13 yrs NPPES
NPI 1295078764
101 THE CITY DR S, CITY TOWER, SUITE 400, Orange, CA 92868(714) 456-7890
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $98,209 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$98,209

Total received

21

Transactions

4

Paying companies

Top paying companies

Dompe Farmaceutici S.p.A.$97,652
GlaxoSmithKline, LLC.$465.13
Genentech USA, Inc.$65.37
Alnylam Pharmaceuticals Inc.$26.54

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 99% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Timmy Cheng do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Stephanie Lee, MD

Internal Medicine

13 yrs NPPES
NPI 1972946010
333 CITY BLVD W STE 400, Orange, CA 92868(714) 456-5691
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $156.96 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$156.96

Total received

2

Transactions

2

Paying companies

Top paying companies

Abbott Laboratories$140.68
AstraZeneca Pharmaceuticals LP$16.28

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 80th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Stephanie Lee do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Travis Nesbit, MD

Internal Medicine

13 yrs NPPES
NPI 1316381692
101 THE CITY DR S, Orange, CA 92868(714) 456-7890
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Erum Bajwa, MD

Internal Medicine

13 yrs NPPES
NPI 1184069239
1140 W LA VETA AVE STE 430, Orange, CA 92868(714) 543-5555
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $2,107 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$2,107

Total received

105

Transactions

22

Paying companies

Top paying companies

NOVARTIS PHARMACEUTICALS CORPORATION$433.16
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)$263.86
Amgen Inc.$234.86
Pfizer Inc.$145.98
Boehringer Ingelheim Pharmaceuticals, Inc.$129.68
Alnylam Pharmaceuticals Inc.$124.80

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 95% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Erum Bajwa do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Karen Fremen, DO

Internal Medicine

13 yrs NPPES
NPI 1205271285
101 THE CITY DR S, Orange, CA 92868(714) 880-7812
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Aladean Abdrabbo, MD

Internal Medicine

13 yrs NPPES
NPI 1578905675
2501 E CHAPMAN AVE, SUITE 311, Orange, CA 92869(714) 633-1011
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $153.90 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$153.90

Total received

1

Transactions

1

Paying companies

Top paying companies

Abbott Laboratories$153.90

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 80th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Aladean Abdrabbo do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Yasir Khan, MD

Internal Medicine

13 yrs NPPES
NPI 1316389265
101 THE CITY DR S, BUILDING 56, ROUTE 81, ROOM#246V, Orange, CA 92868(714) 456-6589
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $21.00 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$21.00

Total received

1

Transactions

1

Paying companies

Top paying companies

Mirati Therapeutics, Inc.$21.00

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 67th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Yasir Khan do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Seogeun Hong, MD

Internal Medicine

13 yrs NPPES
NPI 1871927962
1010 W LA VETA AVE STE 750, Orange, CA 92868(714) 361-6600
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $2,262 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$2,262

Total received

77

Transactions

24

Paying companies

Top paying companies

Amgen Inc.$311.66
ABIOMED$274.69
AbbVie Inc.$223.33
Boehringer Ingelheim Pharmaceuticals, Inc.$201.16
Regeneron Healthcare Solutions, Inc.$147.24
ViiV Healthcare Company$125.00

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 95% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Seogeun Hong do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Punit Bavishi, MD

Internal Medicine

13 yrs NPPES
NPI 1184045809
101 THE CITY DR S, Orange, CA 92868(714) 456-8888
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $123.66 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$123.66

Total received

1

Transactions

1

Paying companies

Top paying companies

ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)$123.66

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 78th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Punit Bavishi do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Afnan Tariq, MD

Internal Medicine

12 yrs NPPES
NPI 1194146431
101 THE CITY DR S, Orange, CA 92868(844) 827-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $270.76 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$270.76

Total received

7

Transactions

4

Paying companies

Top paying companies

Boston Scientific Corporation$166.67
Currax Pharmaceuticals LLC$63.07
Baxter Healthcare$22.56
Abbott Laboratories$18.46

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 84th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Afnan Tariq do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Jasleen Grewal, MD

Internal Medicine

12 yrs NPPES
NPI 1053739144
101 THE CITY DR S, CITY TOWER, THE SUITE 400, Orange, CA 92868(714) 456-6693
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Erin Dean, MD

Internal Medicine

12 yrs NPPES
NPI 1376962449
101 THE CITY DR S, Orange, CA 92868(714) 456-8888
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $36.20 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$36.20

Total received

1

Transactions

1

Paying companies

Top paying companies

Kite Pharma, Inc.$36.20

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 70th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Erin Dean do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Bhakti Patel, MD

Internal Medicine

12 yrs NPPES
NPI 1154741254
2501 E CHAPMAN AVE, Orange, CA 92869(714) 771-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $54.20 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$54.20

Total received

2

Transactions

2

Paying companies

Top paying companies

Pfizer Inc.$31.11
Janssen Pharmaceuticals, Inc$23.09

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 72th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Bhakti Patel do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Uzma Ahmed, MD

Internal Medicine

12 yrs NPPES
NPI 1699185611
1234 W CHAPMAN AVE STE 101, Orange, CA 92868(714) 532-6713
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $481.96 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$481.96

Total received

24

Transactions

12

Paying companies

Top paying companies

Pfizer Inc.$95.15
Amgen Inc.$91.14
AbbVie Inc.$82.04
Boehringer Ingelheim Pharmaceuticals, Inc.$33.13
Lilly USA, LLC$28.09
Merck Sharp & Dohme LLC$27.42

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 88th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Uzma Ahmed do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Sarah Keating, MD

Internal Medicine

12 yrs NPPES
NPI 1831509421
1201 W LA VETA AVE, Orange, CA 92868(714) 509-8960
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Monica Tsai, MD

Internal Medicine

12 yrs NPPES
NPI 1598176497
101 THE CITY DR S, Orange, CA 92868(714) 456-8888
NPPES public registry
CMS Open Payments· $125.00 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$125.00

Total received

1

Transactions

1

Paying companies

Top paying companies

AstraZeneca Pharmaceuticals LP$125.00

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 78th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Monica Tsai do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Anum Hamiduzzaman, MD

Internal Medicine

12 yrs NPPES
NPI 1649681495
101 THE CITY DR S, Orange, CA 92868(714) 456-8888
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $439.55 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$439.55

Total received

5

Transactions

2

Paying companies

Top paying companies

Takeda Pharmaceuticals U.S.A., Inc.$314.55
Veloxis Pharmaceuticals, Inc.$125.00

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 87th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Anum Hamiduzzaman do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Changrui Xiao, MD

Internal Medicine

12 yrs NPPES
NPI 1962815795
1201 W LA VETA AVE, Orange, CA 92868(877) 734-6618
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $141.91 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$141.91

Total received

1

Transactions

1

Paying companies

Top paying companies

Abbott Laboratories$141.91

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 79th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Changrui Xiao do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Cameron Harding, MD

Internal Medicine

12 yrs NPPES
NPI 1194133389
101 THE CITY DR S, Orange, CA 92868(714) 880-7812
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Sonja Abbassi, MD

Internal Medicine

11 yrs NPPES
NPI 1225426851
2501 E CHAPMAN AVE, Orange, CA 92869(714) 628-3345
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $160.71 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$160.71

Total received

1

Transactions

1

Paying companies

Top paying companies

Medtronic, Inc.$160.71

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 80th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Sonja Abbassi do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Bardia Sadr, MD

Internal Medicine

11 yrs NPPES
NPI 1912398785
2141 W ORANGEWOOD AVE, Orange, CA 92868(714) 266-1000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $245.76 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$245.76

Total received

1

Transactions

1

Paying companies

Top paying companies

Inari Medical, Inc.$245.76

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 83th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Bardia Sadr do not imply any wrongdoing. Many are meals, education, or research support.

Internal Medicine in Orange, CA — Verified | DoctorsProof — Page 3 | DoctorsProof