DoctorsProofNPPES directory · verify at state boards

Gastroenterology in Anaheim, CA

23 verified gastroenterology doctors in Anaheim.

Gastroenterologists specialize in the digestive system, treating conditions of the stomach, intestines, liver, and pancreas.

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. Ravindra Alapati, MD

Gastroenterology

21 yrs NPPES
NPI 1912989773
1771 W ROMNEYA DR STE C, Anaheim, CA 92801(714) 758-0403
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $104.95 (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.

$104.95

Total received

5

Transactions

5

Paying companies

Top paying companies

Gilead Sciences, Inc.$26.62
AbbVie Inc.$26.42
Celgene Corporation$20.03
Ferring Pharmaceuticals Inc.$16.82
Janssen Biotech, Inc.$15.06

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is on the lower end — around the 48th percentile of that group.

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

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

Dr. Dick Yip, MD

Gastroenterology

21 yrs NPPES
NPI 1851374631
408 S BEACH BLVD, Anaheim, CA 92804(714) 527-6000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,072 (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.

$1,072

Total received

27

Transactions

11

Paying companies

Top paying companies

Gilead Sciences, Inc.$471.35
INTERCEPT PHARMACEUTICALS, INC.$122.46
Corcept Therapeutics$112.43
Celgene Corporation$101.40
Takeda Pharmaceuticals U.S.A., Inc.$68.48
Salix Pharmaceuticals, a division of Bausch Health US, LLC$49.25

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 76th percentile of that group.

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

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

Dr. Ambika Bali, MD

Gastroenterology

20 yrs NPPES
NPI 1427096478
1211 W LA PALMA AVE STE 409, Anaheim, CA 92801(714) 999-0909
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $283.46 (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.

$283.46

Total received

12

Transactions

5

Paying companies

Top paying companies

Janssen Biotech, Inc.$196.21
Ferring Pharmaceuticals Inc.$29.97
Alnylam Pharmaceuticals Inc.$21.80
AbbVie Inc.$19.27
Blueprint Medicines Corporation$16.21

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 58th percentile of that group.

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

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

Dr. Kenneth Yamashiro, MD

Gastroenterology

20 yrs NPPES
NPI 1669584934
3055 W ORANGE AVE STE 105, Anaheim, CA 92804(714) 995-4704
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. Ashokkumar Amin, MD

Gastroenterology

20 yrs NPPES
NPI 1831293109
3010 W ORANGE AVE, STE #401, Anaheim, CA 92804(714) 484-1200
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $52.97 (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.

$52.97

Total received

3

Transactions

3

Paying companies

Top paying companies

Gilead Sciences, Inc.$23.10
Phathom Pharmaceuticals, Inc.$16.90
AbbVie Inc.$12.97

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is on the lower end — around the 44th percentile of that group.

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

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

Dr. Rex Wang, MD

Gastroenterology

20 yrs NPPES
NPI 1225109150
441 N LAKEVIEW AVE, Anaheim, CA 92807(888) 988-2800
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. Andrew Giap, MD

Gastroenterology

20 yrs NPPES
NPI 1578634507
441 N LAKEVIEW AVE, Anaheim, CA 92807(888) 988-2800
NPPES public registry
CMS Open Payments· $16.33 (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.

$16.33

Total received

1

Transactions

1

Paying companies

Top paying companies

Boston Scientific Corporation$16.33

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is on the lower end — around the 38th percentile of that group.

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

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

Dr. Syeda Husain, MD

Gastroenterology

20 yrs NPPES
NPI 1013088046
441 N LAKEVIEW AVE, Anaheim, CA 92807(888) 988-2800
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. Gavin Jonas, MD

Gastroenterology

20 yrs NPPES
NPI 1740351725
441 N LAKEVIEW AVE, Anaheim, CA 92807(888) 988-2800
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. Stanford Gertler, MD

Gastroenterology

20 yrs NPPES
NPI 1508937558
441 N LAKEVIEW AVE, Anaheim, CA 92807(888) 988-2800
NPPES public registry
CMS Open Payments· $141.93 (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.

$141.93

Total received

1

Transactions

1

Paying companies

Top paying companies

Ferring Pharmaceuticals Inc.$141.93

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 51th percentile of that group.

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

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

Dr. Doan-Trang Tran, MD

Gastroenterology

20 yrs NPPES
NPI 1336210319
441 N LAKEVIEW AVE, Anaheim, CA 92807(888) 988-2800
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. Kathy Akashi, MD

Gastroenterology

20 yrs NPPES
NPI 1952472862
441 N LAKEVIEW AVE, Anaheim, CA 92807(888) 988-2800
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. Louis Hernandez, MD

Gastroenterology

20 yrs NPPES
NPI 1780755603
441 N LAKEVIEW AVE, Anaheim, CA 92807(888) 988-2800
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. Sitaraman Jyotheeswaran, MD

Gastroenterology

20 yrs NPPES
NPI 1952469272
1711 W ROMNEYA DR, Anaheim, CA 92801(714) 491-3900
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. Theodore Durbin, MD

Gastroenterology

19 yrs NPPES
NPI 1194873034
441 N LAKEVIEW AVE, Anaheim, CA 92807(888) 988-2800
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. J. Egan, MD

Gastroenterology

19 yrs NPPES
NPI 1114075082
441 N LAKEVIEW AVE, Anaheim, CA 92807(888) 988-2800
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. Jason Yip, MD

Gastroenterology

19 yrs NPPES
NPI 1487862066
408 S BEACH BLVD STE 211, Anaheim, CA 92804(714) 527-6000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $292.98 (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.

$292.98

Total received

12

Transactions

7

Paying companies

Top paying companies

Enterra Medical, Inc.$63.59
Celgene Corporation$62.12
Ironwood Pharmaceuticals, Inc$61.51
Takeda Pharmaceuticals U.S.A., Inc.$44.26
Pfizer Inc.$25.99
Janssen Biotech, Inc.$22.57

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 58th percentile of that group.

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

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

Dr. Zhigang Song, MD

Gastroenterology

18 yrs NPPES
NPI 1437309440
1236 N MAGNOLIA AVE, Anaheim, CA 92801(714) 995-1000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $14.73 (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.

$14.73

Total received

1

Transactions

1

Paying companies

Top paying companies

Ardelyx, Inc.$14.73

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is on the lower end — around the 38th percentile of that group.

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

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

Dr. Brian Riff, MD

Gastroenterology

17 yrs NPPES
NPI 1194969030
1211 W LA PALMA AVE STE 306, Anaheim, CA 92801(714) 778-1300
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,073 (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.

$1,073

Total received

65

Transactions

14

Paying companies

Top paying companies

AbbVie Inc.$334.51
Pfizer Inc.$147.34
Gilead Sciences, Inc.$138.01
STERIS Corporation$113.82
Ardelyx, Inc.$94.45
Enterra Medical, Inc.$57.82

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 76th percentile of that group.

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

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

Dr. Michael Kim, MD

Gastroenterology

17 yrs NPPES
NPI 1821229972
408 S BEACH BLVD STE 211, Anaheim, CA 92804(714) 527-6000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $704.98 (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.

$704.98

Total received

22

Transactions

6

Paying companies

Top paying companies

Gilead Sciences, Inc.$245.10
Celgene Corporation$183.09
Boston Scientific Corporation$143.11
Intuitive Surgical, Inc.$98.22
Salix Pharmaceuticals, a division of Bausch Health US, LLC$19.14
Ironwood Pharmaceuticals, Inc$16.32

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 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 gastroenterology doctors.

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

Dr. Amit Bhanvadia, MD

Gastroenterology

14 yrs NPPES
NPI 1861751083
408 S BEACH BLVD STE 211, Anaheim, CA 92804(714) 527-6000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $387,127 (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.

$387,127

Total received

134

Transactions

15

Paying companies

Top paying companies

Janssen Research & Development, LLC$197,230
Regeneron Pharmaceuticals, Inc.$87,119
AstraZeneca Pharmaceuticals LP$47,301
Bausch Health US, LLC$35,525
Celgene Corporation$14,575
Takeda Pharmaceuticals U.S.A., Inc.$5,039

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 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 gastroenterology doctors.

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

Dr. Amber Garza, MD

Gastroenterology

6 yrs NPPES
NPI 1336740810
1211 W LA PALMA AVE STE 306, Anaheim, CA 92801(714) 778-1300
NPPES public registry
CMS Open Payments· $578.17 (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.

$578.17

Total received

31

Transactions

10

Paying companies

Top paying companies

AbbVie Inc.$109.55
Gilead Sciences, Inc.$108.56
Ardelyx, Inc.$97.41
Salix Pharmaceuticals, a division of Bausch Health US, LLC$69.77
Genzyme Corporation$62.91
QOL Medical, LLC$38.79

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 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 gastroenterology doctors.

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

Dr. Joane Gutierrez, MD

Gastroenterology

2 yrs NPPES
NPI 1841054103
408 S BEACH BLVD STE 211, Anaheim, CA 92804(669) 213-9625
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.

Gastroenterology in Anaheim, CA — Verified | DoctorsProof | DoctorsProof