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Gastroenterology in New London, CT

5 verified gastroenterology doctors in New London.

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.

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Dr. John Frese, MD

Gastroenterology

20 yrs NPPES
NPI 1457316382
234A BANK ST, 4TH FLOOR, New London, CT 06320(860) 442-0290
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $22,178 (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.

$22,178

Total received

128

Transactions

21

Paying companies

Top paying companies

GastroGPO, LLC$19,440
AbbVie Inc.$614.59
Salix Pharmaceuticals, a division of Bausch Health US, LLC$514.09
Janssen Biotech, Inc.$204.55
Takeda Pharmaceuticals U.S.A., Inc.$178.92
Celgene Corporation$178.87

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

Dr. Eugene Sapozhnikov, MD

Gastroenterology

20 yrs NPPES
NPI 1164488094
234A BANK ST, New London, CT 06320(860) 442-0290
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $20,828 (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.

$20,828

Total received

73

Transactions

16

Paying companies

Top paying companies

GastroGPO, LLC$19,440
AbbVie Inc.$364.12
Salix Pharmaceuticals, a division of Bausch Health US, LLC$290.26
Ironwood Pharmaceuticals, Inc$122.97
Janssen Biotech, Inc.$118.48
Takeda Pharmaceuticals U.S.A., Inc.$93.17

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 Eugene Sapozhnikov do not imply any wrongdoing. Many are meals, education, or research support.

Dr. John Madsen, MD

Gastroenterology

20 yrs NPPES
NPI 1144286667
234A BANK ST, New London, CT 06320(860) 442-0290
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. Mical Campbell, MD

Gastroenterology

20 yrs NPPES
NPI 1083628770
COASTAL DIGESTIVE DISEASES, 234A BANK ST, New London, CT 06320(860) 442-0290
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $21,635 (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.

$21,635

Total received

112

Transactions

20

Paying companies

Top paying companies

GastroGPO, LLC$19,440
AbbVie Inc.$427.68
Salix Pharmaceuticals, a division of Bausch Health US, LLC$393.86
Takeda Pharmaceuticals U.S.A., Inc.$182.02
Janssen Biotech, Inc.$173.60
QOL Medical, LLC$146.83

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 Mical Campbell do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Amzad Khan, MD

Gastroenterology

18 yrs NPPES
NPI 1790945996
234A BANK ST., 4TH FLOOR, New London, CT 06320(860) 442-0290
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $21,490 (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.

$21,490

Total received

110

Transactions

18

Paying companies

Top paying companies

GastroGPO, LLC$19,440
AbbVie Inc.$594.04
Salix Pharmaceuticals, a division of Bausch Health US, LLC$308.18
Takeda Pharmaceuticals U.S.A., Inc.$253.69
Ironwood Pharmaceuticals, Inc$135.27
Celgene Corporation$110.72

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 Amzad Khan do not imply any wrongdoing. Many are meals, education, or research support.

Gastroenterology in New London, CT — Verified | DoctorsProof | DoctorsProof