DoctorsProofNPPES directory · verify at state boards

Internal Medicine in Barrington, IL

23 verified internal medicine doctors in Barrington.

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 Illinois Dept. of Financial & Professional Regulation

Dr. Melinda Einfalt, MD

Internal Medicine

21 yrs NPPES
NPI 1821084393
6000 GARLANDS LN STE 180, Barrington, IL 60010(847) 620-7185
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $124.16 (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.

$124.16

Total received

1

Transactions

1

Paying companies

Top paying companies

Amgen Inc.$124.16

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 Melinda Einfalt do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Eva Ostrowski, MD

Internal Medicine

20 yrs NPPES
NPI 1225005820
800 FOX GLN, Barrington, IL 60010(847) 382-5850
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. Arthur Ostrowski, MD

Internal Medicine

20 yrs NPPES
NPI 1740257062
800 FOX GLN, Barrington, IL 60010(847) 382-5850
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,651 (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.

$1,651

Total received

47

Transactions

13

Paying companies

Top paying companies

Amgen Inc.$699.92
GlaxoSmithKline, LLC.$262.13
AstraZeneca Pharmaceuticals LP$226.18
Boehringer Ingelheim Pharmaceuticals, Inc.$125.00
Novo Nordisk Inc$112.91
NOVARTIS PHARMACEUTICALS CORPORATION$82.62

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 94% of that group — among the highest recipients.

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

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

Dr. Behzad Farah, MD

Internal Medicine

20 yrs NPPES
NPI 1689630915
27790 W HIGHWAY 22, STE 30, Barrington, IL 60010(847) 382-5350
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. Donald Cronin, MD

Internal Medicine

20 yrs NPPES
NPI 1144288739
27750 W HIGHWAY 22, SUITE 120, Barrington, IL 60010(847) 655-7264
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. Sandra Garretson, MD

Internal Medicine

20 yrs NPPES
NPI 1851337026
405 LAKE ZURICH RD, Barrington, IL 60010(847) 381-5599
NPPES public registry
CMS Open Payments· $18.63 (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.

$18.63

Total received

1

Transactions

1

Paying companies

Top paying companies

Abbott Laboratories$18.63

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 66th percentile of that group.

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

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

Dr. John Gong, MD

Internal Medicine

20 yrs NPPES
NPI 1962414623
304 FOX GLEN CT, Barrington, IL 60010(847) 462-1700
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,853 (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.

$1,853

Total received

40

Transactions

10

Paying companies

Top paying companies

Amgen Inc.$587.13
Boehringer Ingelheim Pharmaceuticals, Inc.$521.89
AstraZeneca Pharmaceuticals LP$143.69
Edwards Lifesciences Corporation$139.89
Janssen Pharmaceuticals, Inc$112.44
Novo Nordisk Inc$108.19

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 John Gong do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Seng Leong, MD

Internal Medicine

20 yrs NPPES
NPI 1487750790
27750 W HIGHWAY 22, Barrington, IL 60010(847) 381-5800
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $124.18 (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.

$124.18

Total received

1

Transactions

1

Paying companies

Top paying companies

Edwards Lifesciences Corporation$124.18

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 Seng Leong do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Jennifer Vakharia, MD

Internal Medicine

20 yrs NPPES
NPI 1174695985
1020 S GROVE AVE, Barrington, IL 60010(630) 712-6373
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. Galina Goode, MD

Internal Medicine

20 yrs NPPES
NPI 1336209618
450 W IL ROUTE 22, Barrington, IL 60010(847) 842-4000
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. Leo Kelly, MD

Internal Medicine

20 yrs NPPES
NPI 1386704666
450 W IL ROUTE 22, Barrington, IL 60010(847) 842-4000
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. Kristine Young, MD

Internal Medicine

19 yrs NPPES
NPI 1114063013
426 N HOUGH ST, Barrington, IL 60010(847) 304-6900
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. Tasbirul Islam, MD

Internal Medicine

18 yrs NPPES
NPI 1154598563
450 W HIGHWAY 22, Barrington, IL 60010(708) 283-5500
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,723 (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.

$1,723

Total received

2

Transactions

2

Paying companies

Top paying companies

Cook Incorporated$1,525
Cook Medical LLC$198.58

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 94% of that group — among the highest recipients.

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

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

Dr. Avani Shah, MD

Internal Medicine

18 yrs NPPES
NPI 1053576579
1301 S BARRINGTON RD, Barrington, IL 60010(847) 381-4491
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $38.79 (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.

$38.79

Total received

2

Transactions

2

Paying companies

Top paying companies

Boehringer Ingelheim Pharmaceuticals, Inc.$25.53
GlaxoSmithKline, LLC.$13.26

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 Avani Shah do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Deepkamal Kaur, MD

Internal Medicine

16 yrs NPPES
NPI 1538477435
27750 W HIGHWAY 22 STE 240, Barrington, IL 60010(847) 381-5800
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. Joseph Daddino, MD

Internal Medicine

14 yrs NPPES
NPI 1194081075
215 BIRCHWOOD DR, Barrington, IL 60010(847) 382-7452
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. Minhaj Musa, MD

Internal Medicine

12 yrs NPPES
NPI 1467863589
27750 W HIGHWAY 22, Barrington, IL 60010(847) 381-5800
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. Besma Jaber, MD

Internal Medicine

11 yrs NPPES
NPI 1588050041
450 W HIGHWAY 22, Barrington, IL 60010(708) 283-5500
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. Arvind Maheshwari, MD

Internal Medicine

11 yrs NPPES
NPI 1659767903
27750 W HIGHWAY 22 STE 110, Barrington, IL 60010(847) 842-5920
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,309 (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.

$1,309

Total received

58

Transactions

14

Paying companies

Top paying companies

Lilly USA, LLC$218.48
Corcept Therapeutics$214.32
Antares Pharma, Inc.$172.22
Abbott Laboratories$166.34
AbbVie Inc.$144.17
Boehringer Ingelheim Pharmaceuticals, Inc.$127.77

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 Arvind Maheshwari do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Elizabeth Elliott, DO

Internal Medicine

11 yrs NPPES
NPI 1427437342
27750 W HIGHWAY 22 STE G70, Barrington, IL 60010(847) 842-0180
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $2,109 (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.

$2,109

Total received

88

Transactions

37

Paying companies

Top paying companies

Seagen Inc.$186.30
NOVARTIS PHARMACEUTICALS CORPORATION$173.70
Pfizer Inc.$151.38
Gilead Sciences, Inc.$148.80
Genzyme Corporation$102.29
Amgen Inc.$100.84

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 Elizabeth Elliott do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Meghana Tipparthy, MD

Internal Medicine

10 yrs NPPES
NPI 1710337886
6000 GARLANDS LN STE 180, Barrington, IL 60010(847) 620-7185
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $42.11 (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.

$42.11

Total received

2

Transactions

2

Paying companies

Top paying companies

AbbVie Inc.$26.88
GlaxoSmithKline, LLC.$15.23

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 Meghana Tipparthy do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Obinna Obiekezie, MD

Internal Medicine

10 yrs NPPES
NPI 1861844201
450 W HIGHWAY 22 STE AIP, Barrington, IL 60010(708) 283-5500
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. Preslav Valchev, MD

Internal Medicine

4 yrs NPPES
NPI 1508596636
106 BARRINGTON COMMONS COURT, 1790, Barrington, IL 60011(847) 719-2265
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.

Internal Medicine in Barrington, IL — Verified | DoctorsProof | DoctorsProof