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Gastroenterology in South Bend, IN

7 verified gastroenterology doctors in South Bend.

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 Indiana Medical Licensing Board

Dr. John Mathis, MD

Gastroenterology

21 yrs NPPES
NPI 1427051341
17501 GENERATIONS DR, South Bend, IN 46635(574) 234-0049
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $2,482 (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.

$2,482

Total received

160

Transactions

17

Paying companies

Top paying companies

AbbVie Inc.$779.59
Janssen Biotech, Inc.$293.86
Celgene Corporation$282.77
Takeda Pharmaceuticals U.S.A., Inc.$282.21
Gilead Sciences, Inc.$159.03
Regeneron Healthcare Solutions, Inc.$150.26

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 86th percentile of that group.

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

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

Dr. Michael Manbeck, MD

Gastroenterology

21 yrs NPPES
NPI 1649272725
17501 GENERATIONS DR, South Bend, IN 46635(574) 234-0049
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $756.48 (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.

$756.48

Total received

63

Transactions

8

Paying companies

Top paying companies

AbbVie Inc.$451.96
Celgene Corporation$133.19
Salix Pharmaceuticals, a division of Bausch Health US, LLC$63.58
Amgen Inc.$36.56
Gilead Sciences, Inc.$32.82
Organon LLC$14.25

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 71th percentile of that group.

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

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

Dr. Oliver Gilliam, MD

Gastroenterology

21 yrs NPPES
NPI 1497759765
17501 GENERATIONS DR, South Bend, IN 46635(574) 234-0049
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $482.48 (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.

$482.48

Total received

25

Transactions

9

Paying companies

Top paying companies

Janssen Biotech, Inc.$111.22
AbbVie Inc.$106.18
Celgene Corporation$72.41
Takeda Pharmaceuticals U.S.A., Inc.$57.60
Gilead Sciences, Inc.$40.33
Amgen Inc.$36.56

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 65th percentile of that group.

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

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

Dr. Pankaj Patel, MD

Gastroenterology

21 yrs NPPES
NPI 1124022082
17501 GENERATIONS DR, South Bend, IN 46635(574) 234-0049
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $489,977 (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.

$489,977

Total received

163

Transactions

16

Paying companies

Top paying companies

Genentech, Inc.$452,080
Bausch Health US, LLC$35,363
NOVARTIS PHARMACEUTICALS CORPORATION$740.00
AbbVie Inc.$574.48
Janssen Biotech, Inc.$291.09
Celgene Corporation$204.56

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 100% of that group — among the highest recipients.

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

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

Dr. David Mark, MD

Gastroenterology

21 yrs NPPES
NPI 1770587339
17501 GENERATIONS DR, South Bend, IN 46635(574) 000-0000
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. Zuhair Yaseen, MD

Gastroenterology

21 yrs NPPES
NPI 1093705675
621 MEMORIAL DR STE 511, South Bend, IN 46601(574) 544-5580
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $72.11 (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.

$72.11

Total received

4

Transactions

3

Paying companies

Top paying companies

AbbVie Inc.$33.63
Regeneron Healthcare Solutions, Inc.$22.47
Janssen Biotech, Inc.$16.01

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 45th percentile of that group.

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

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

Dr. Luis Nidea, MD

Gastroenterology

21 yrs NPPES
NPI 1154311751
621 MEMORIAL DR STE 511, South Bend, IN 46601(574) 544-5580
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,054 (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.

$1,054

Total received

51

Transactions

13

Paying companies

Top paying companies

Celgene Corporation$324.86
Janssen Biotech, Inc.$177.54
AbbVie Inc.$171.44
E.R. Squibb & Sons, L.L.C.$118.19
Takeda Pharmaceuticals U.S.A., Inc.$44.37
Boehringer Ingelheim Pharmaceuticals, Inc.$42.56

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 Luis Nidea do not imply any wrongdoing. Many are meals, education, or research support.

Gastroenterology in South Bend, IN — Verified | DoctorsProof | DoctorsProof