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Gastroenterology in Greenwich, CT

9 verified gastroenterology doctors in Greenwich.

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 Connecticut Medical Examining Board

Dr. Felice Zwas, MD

Gastroenterology

20 yrs NPPES
NPI 1225059116
500 W PUTNAM AVE, SUITE 100, Greenwich, CT 06830(203) 863-2900
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $20,106 (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.

$20,106

Total received

37

Transactions

10

Paying companies

Top paying companies

GastroGPO, LLC$19,440
AbbVie Inc.$202.77
Pfizer Inc.$141.13
Celgene Corporation$87.04
Salix Pharmaceuticals, a division of Bausch Health US, LLC$71.90
Janssen Biotech, Inc.$52.20

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 93% of that group — among the highest recipients.

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

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

Dr. Neda Khaghan, MD

Gastroenterology

20 yrs NPPES
NPI 1538180427
500 W PUTNAM AVE, SUITE 100, Greenwich, CT 06830(203) 863-2900
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $20,946 (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.

$20,946

Total received

81

Transactions

16

Paying companies

Top paying companies

GastroGPO, LLC$19,440
AbbVie Inc.$481.32
Salix Pharmaceuticals, a division of Bausch Health US, LLC$217.82
Genzyme Corporation$204.03
Pfizer Inc.$136.07
INTERCEPT PHARMACEUTICALS, INC.$107.66

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 93% of that group — among the highest recipients.

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

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

Dr. Clifford Berken, MD

Gastroenterology

20 yrs NPPES
NPI 1215951173
500 W PUTNAM AVE, SUITE 100, Greenwich, CT 06830(203) 863-2900
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. Nelson Bonheim, MD

Gastroenterology

20 yrs NPPES
NPI 1366514549
500 W PUTNAM AVE, SUITE 100, Greenwich, CT 06830(203) 863-2900
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. Alan Selkin, MD

Gastroenterology

19 yrs NPPES
NPI 1508912759
56 LAFAYETTE PL, Greenwich, CT 06830(203) 661-2277
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $20,564 (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.

$20,564

Total received

60

Transactions

16

Paying companies

Top paying companies

GastroGPO, LLC$19,440
AbbVie Inc.$326.03
Salix Pharmaceuticals, a division of Bausch Health US, LLC$173.26
Takeda Pharmaceuticals U.S.A., Inc.$141.83
Janssen Biotech, Inc.$120.78
Pfizer Inc.$80.39

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 93% of that group — among the highest recipients.

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

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

Dr. Jennifer Barro, MD

Gastroenterology

19 yrs NPPES
NPI 1194841379
500 W PUTNAM AVE, SUITE 100, Greenwich, CT 06830(203) 863-2900
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. Neal Schamberg, MD

Gastroenterology

18 yrs NPPES
NPI 1841458759
500 W PUTNAM AVE, SUITE 100, Greenwich, CT 06830(203) 863-2900
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $21,885 (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.

$21,885

Total received

136

Transactions

22

Paying companies

Top paying companies

GastroGPO, LLC$19,440
AbbVie Inc.$547.60
Salix Pharmaceuticals, a division of Bausch Health US, LLC$283.93
Celgene Corporation$273.90
Pfizer Inc.$193.62
Janssen Biotech, Inc.$187.06

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 higher than 94% of that group — among the highest recipients.

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

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

Dr. Scott Kramer, MD

Gastroenterology

16 yrs NPPES
NPI 1154648186
500 W PUTNAM AVE, SUITE 100, Greenwich, CT 06830(203) 863-2900
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $19,931 (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.

$19,931

Total received

19

Transactions

9

Paying companies

Top paying companies

GastroGPO, LLC$19,440
AbbVie Inc.$205.93
Regeneron Healthcare Solutions, Inc.$125.01
Pfizer Inc.$37.84
Nestle HealthCare Nutrition Inc.$34.62
Janssen Biotech, Inc.$34.44

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 93% of that group — among the highest recipients.

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

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

Dr. Cheng-Hung Tai, MD

Gastroenterology

8 yrs NPPES
NPI 1003310434
15 VALLEY DR FL 3, Greenwich, CT 06831(917) 497-7661
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.

Gastroenterology in Greenwich, CT — Verified | DoctorsProof | DoctorsProof