DoctorsProofNPPES directory · verify at state boards

Gastroenterology in Springfield, IL

23 verified gastroenterology doctors in Springfield.

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 Illinois Dept. of Financial & Professional Regulation

Dr. Zafar Quader, MD

Gastroenterology

21 yrs NPPES
NPI 1124013636
751 N RUTLEDGE ST STE 1100, Springfield, IL 62702(217) 545-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,532 (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.

$1,532

Total received

3

Transactions

2

Paying companies

Top paying companies

AstraZeneca Pharmaceuticals LP$1,500
Nestle HealthCare Nutrition Inc.$32.22

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 81th percentile of that group.

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

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

Dr. Ashish Chopra, MD

Gastroenterology

20 yrs NPPES
NPI 1497727234
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $503.67 (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.

$503.67

Total received

24

Transactions

2

Paying companies

Top paying companies

AbbVie Inc.$430.72
Janssen Biotech, Inc.$72.95

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 Ashish Chopra do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Fadi Annaba, MD

Gastroenterology

20 yrs NPPES
NPI 1154353217
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $88.55 (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.

$88.55

Total received

2

Transactions

2

Paying companies

Top paying companies

Janssen Biotech, Inc.$69.99
AbbVie Inc.$18.56

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 on the lower end — around the 47th percentile of that group.

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

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

Dr. Jack Ohringer, MD

Gastroenterology

20 yrs NPPES
NPI 1285658393
315 W CARPENTER ST FL 1, Springfield, IL 62702(217) 545-8000
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. Robert Glickenberger, MD

Gastroenterology

20 yrs NPPES
NPI 1407966690
751 N RUTLEDGE ST STE 1100, Springfield, IL 62702(217) 545-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,881 (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.

$1,881

Total received

99

Transactions

13

Paying companies

Top paying companies

AbbVie Inc.$865.26
Janssen Biotech, Inc.$328.68
Salix Pharmaceuticals, a division of Bausch Health US, LLC$259.62
Celgene Corporation$89.87
Takeda Pharmaceuticals U.S.A., Inc.$61.29
Ironwood Pharmaceuticals, Inc$58.16

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 84th percentile of that group.

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

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

Dr. Mark Harrison, MD

Gastroenterology

20 yrs NPPES
NPI 1831295666
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
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. Sanjay Bangarulingam, MD

Gastroenterology

20 yrs NPPES
NPI 1952408734
301 N 8TH ST, Springfield, IL 62701(217) 528-7541
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $746.02 (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.

$746.02

Total received

39

Transactions

3

Paying companies

Top paying companies

AbbVie Inc.$442.96
Takeda Pharmaceuticals U.S.A., Inc.$174.95
Janssen Biotech, Inc.$128.11

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 Sanjay Bangarulingam do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Peter Karras, MD

Gastroenterology

20 yrs NPPES
NPI 1114025566
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
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. Robert Mosley, MD

Gastroenterology

20 yrs NPPES
NPI 1770683443
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
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. William Peterson, MD

Gastroenterology

20 yrs NPPES
NPI 1174623854
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,592 (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.

$1,592

Total received

57

Transactions

6

Paying companies

Top paying companies

AbbVie Inc.$903.82
Janssen Biotech, Inc.$424.04
E.R. Squibb & Sons, L.L.C.$113.78
Takeda Pharmaceuticals U.S.A., Inc.$86.42
Nestle HealthCare Nutrition Inc.$48.33
Sandoz Inc.$15.49

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 82th percentile of that group.

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

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

Dr. Theodore Paradowski, MD

Gastroenterology

20 yrs NPPES
NPI 1720171804
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $405.06 (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.

$405.06

Total received

18

Transactions

4

Paying companies

Top paying companies

AbbVie Inc.$280.28
E.R. Squibb & Sons, L.L.C.$61.88
Takeda Pharmaceuticals U.S.A., Inc.$44.17
Janssen Biotech, Inc.$18.73

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 ranks around the 62th percentile of that group.

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

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

Dr. Sailaja Cheruku, MD

Gastroenterology

20 yrs NPPES
NPI 1578659496
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $104.39 (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.

$104.39

Total received

5

Transactions

2

Paying companies

Top paying companies

AbbVie Inc.$60.51
Takeda Pharmaceuticals U.S.A., Inc.$43.88

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 Sailaja Cheruku do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Richard Smith, MD

Gastroenterology

20 yrs NPPES
NPI 1720176134
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
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. Ruchi Gupta, MD

Gastroenterology

19 yrs NPPES
NPI 1558413302
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $665.17 (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.

$665.17

Total received

35

Transactions

5

Paying companies

Top paying companies

AbbVie Inc.$315.47
Janssen Biotech, Inc.$166.26
Takeda Pharmaceuticals U.S.A., Inc.$138.87
Boehringer Ingelheim Pharmaceuticals, Inc.$25.74
Celgene Corporation$18.83

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 ranks around the 69th percentile of that group.

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

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

Dr. Rajan Kochar, MD

Gastroenterology

19 yrs NPPES
NPI 1851503692
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $302.12 (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.

$302.12

Total received

14

Transactions

1

Paying companies

Top paying companies

AbbVie Inc.$302.12

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 59th percentile of that group.

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

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

Dr. Dmitry Shuster, MD

Gastroenterology

16 yrs NPPES
NPI 1053623504
1025 S 6TH ST, Springfield, IL 62703(217) 528-7541
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $52,770 (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.

$52,770

Total received

78

Transactions

6

Paying companies

Top paying companies

AbbVie Inc.$52,070
Olympus Corporation of the Americas$355.24
Takeda Pharmaceuticals U.S.A., Inc.$161.12
Perspectum Diagnostics Ltd$115.18
Janssen Biotech, Inc.$49.32
Sandoz Inc.$20.09

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 97% of that group — among the highest recipients.

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

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

Dr. Rahul Nayani, MD

Gastroenterology

15 yrs NPPES
NPI 1144515115
301 N 8TH ST, Springfield, IL 62701(217) 528-7541
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $620.63 (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.

$620.63

Total received

34

Transactions

6

Paying companies

Top paying companies

AbbVie Inc.$309.04
Janssen Biotech, Inc.$146.79
Merck Sharp & Dohme LLC$55.92
Takeda Pharmaceuticals U.S.A., Inc.$54.18
Ardelyx, Inc.$28.28
Daiichi Sankyo Inc.$26.42

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 68th percentile of that group.

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

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

Dr. Sharjeel Arshad, MD

Gastroenterology

12 yrs NPPES
NPI 1144636069
315 W CARPENTER ST FL 1, Springfield, IL 62702(217) 545-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $149.99 (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.

$149.99

Total received

1

Transactions

1

Paying companies

Top paying companies

Medtronic, Inc.$149.99

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 52th percentile of that group.

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

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

Dr. Muaataz Azzawi, MD

Gastroenterology

9 yrs NPPES
NPI 1124551577
315 W CARPENTER ST, Springfield, IL 62702(217) 545-8000
NPPES public registry
CMS Open Payments· $146.35 (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.

$146.35

Total received

3

Transactions

3

Paying companies

Top paying companies

Salix Pharmaceuticals, a division of Bausch Health US, LLC$100.02
Janssen Biotech, Inc.$27.80
Takeda Pharmaceuticals U.S.A., Inc.$18.53

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 Muaataz Azzawi do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Abdul Swied, MD

Gastroenterology

9 yrs NPPES
NPI 1033642509
751 N RUTLEDGE ST STE 1100, Springfield, IL 62702(217) 545-8000
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. Ishaan Vohra, MD

Gastroenterology

8 yrs NPPES
NPI 1477048130
315 W CARPENTER ST FL 1, Springfield, IL 62702(217) 545-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $324.44 (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.

$324.44

Total received

4

Transactions

4

Paying companies

Top paying companies

E.R. Squibb & Sons, L.L.C.$105.07
Ardelyx, Inc.$99.65
FUJIFILM Healthcare Americas Corporation$75.00
Janssen Scientific Affairs, LLC$44.72

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 ranks around the 60th percentile of that group.

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

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

Dr. Tj Wilson, MD

Gastroenterology

4 yrs NPPES
NPI 1578205431
315 W CARPENTER ST # A, Springfield, IL 62702(217) 545-8000
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. Obada Daaboul, MD

Gastroenterology

3 yrs NPPES
NPI 1700579653
315 W CARPENTER ST # A, Springfield, IL 62702(217) 545-8000
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 Springfield, IL — Verified | DoctorsProof | DoctorsProof