DoctorsProofNPPES directory · verify at state boards

Internal Medicine in Alton, IL

36 verified internal medicine doctors in Alton.

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. Tariq Quadri, MD

Internal Medicine

21 yrs NPPES
NPI 1275525271
1 PROFESSIONAL DR, SUITE 220, Alton, IL 62002(618) 463-8610
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $29.73 (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.

$29.73

Total received

2

Transactions

2

Paying companies

Top paying companies

Salix Pharmaceuticals, a division of Bausch Health US, LLC$14.98
Pfizer Inc.$14.75

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 69th percentile of that group.

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

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

Dr. Erik Stabell, MD

Internal Medicine

21 yrs NPPES
NPI 1609868108
1 PROFESSIONAL DR, SUITE 220, Alton, IL 62002(618) 463-8610
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. Kristen Stabell, MD

Internal Medicine

21 yrs NPPES
NPI 1689667529
1 PROFESSIONAL DR, SUITE 220, Alton, IL 62002(618) 463-8610
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. William Bartley, MD

Internal Medicine

21 yrs NPPES
NPI 1134112097
1 PROFESSIONAL DR, SUITE 220, Alton, IL 62002(618) 463-8626
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $85.71 (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.

$85.71

Total received

2

Transactions

2

Paying companies

Top paying companies

Lilly USA, LLC$70.73
Salix Pharmaceuticals, a division of Bausch Health US, LLC$14.98

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 75th percentile of that group.

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

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

Dr. D'Andrienne Jones, MD

Internal Medicine

20 yrs NPPES
NPI 1760455661
2416 BLOOMER DRIVE, Alton, IL 62002(618) 465-9500
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 Siegel, MD

Internal Medicine

20 yrs NPPES
NPI 1518901545
1 MEMORIAL DR, DIV MEDICAL ONCOLOGY, Alton, IL 62002(800) 647-2098
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $29,570 (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.

$29,570

Total received

59

Transactions

17

Paying companies

Top paying companies

Regeneron Pharmaceuticals, Inc.$11,128
GlaxoSmithKline, LLC.$6,886
Seagen Inc.$6,450
Merck Sharp & Dohme LLC$2,345
E.R. Squibb & Sons, L.L.C.$2,062
Jazz Pharmaceuticals Inc.$325.72

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 98% of that group — among the highest recipients.

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

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

Dr. Stanley Sidwell, MD

Internal Medicine

20 yrs NPPES
NPI 1073529475
1 MEMORIAL DR, Alton, IL 62002(618) 463-7240
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. Christopher Green, MD

Internal Medicine

20 yrs NPPES
NPI 1568479939
2 MEMORIAL DR, SUITE 220, Alton, IL 62002(618) 474-1723
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $2,968 (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.

$2,968

Total received

184

Transactions

33

Paying companies

Top paying companies

AbbVie Inc.$466.38
Lilly USA, LLC$322.77
Amgen Inc.$250.53
AstraZeneca Pharmaceuticals LP$187.83
Bayer HealthCare Pharmaceuticals Inc.$181.33
Salix Pharmaceuticals, a division of Bausch Health US, LLC$161.57

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 96% of that group — among the highest recipients.

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

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

Dr. John Wuellner, MD

Internal Medicine

20 yrs NPPES
NPI 1558378927
2 MEMORIAL DR, SUITE 220, Alton, IL 62002(618) 474-1723
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. John Hoelscher, MD

Internal Medicine

20 yrs NPPES
NPI 1447267810
2 MEMORIAL DR STE 220, Alton, IL 62002(618) 474-1723
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,312 (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.

$1,312

Total received

64

Transactions

19

Paying companies

Top paying companies

AbbVie Inc.$256.69
Lilly USA, LLC$221.94
Novo Nordisk Inc$148.88
Astellas Pharma US Inc$106.55
GlaxoSmithKline, LLC.$93.45
Boehringer Ingelheim Pharmaceuticals, Inc.$79.61

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

Dr. Madhusudan Vallala, MD

Internal Medicine

20 yrs NPPES
NPI 1972516136
2 SAINT ANTHONYS WAY, SUITE 205, Alton, IL 62002(618) 462-2222
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. Sarnit Charnond, MD

Internal Medicine

20 yrs NPPES
NPI 1497868491
550 LANDMARKS BLVD, Alton, IL 62002(618) 463-5905
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. Edward Blair, MD

Internal Medicine

20 yrs NPPES
NPI 1093821605
2 SAINT ANTHONYS WAY, SUITE 205, Alton, IL 62002(618) 462-2222
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. Lawrence Burch, MD

Internal Medicine

20 yrs NPPES
NPI 1467568089
2 SAINT ANTHONYS WAY, SUITE 205, Alton, IL 62002(618) 465-8019
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. Colin Butterfield, MD

Internal Medicine

20 yrs NPPES
NPI 1952417578
2 SAINT ANTHONYS WAY, SUITE 205, Alton, IL 62002(618) 462-2222
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. Christopher Pottmeyer, MD

Internal Medicine

20 yrs NPPES
NPI 1215044490
1 SAINT ANTHONYS WAY, Alton, IL 62002(618) 465-2571
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 Edwards, MD

Internal Medicine

20 yrs NPPES
NPI 1972610921
4434 FRIARWOOD DR, Alton, IL 62002(618) 465-7016
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. Joanna Janas-Kaminsky, MD

Internal Medicine

20 yrs NPPES
NPI 1194811430
#2 SAINT ANTHONY'S WAY, SUITE 205, Alton, IL 62002(618) 465-8019
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $18.85 (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.

$18.85

Total received

1

Transactions

1

Paying companies

Top paying companies

Exact Sciences Corporation$18.85

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 Joanna Janas-Kaminsky do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Michael Klein, MD

Internal Medicine

19 yrs NPPES
NPI 1790834737
2 SAINT ANTHONYS WAY, SUITE 205, Alton, IL 62002(618) 462-2222
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. Ahmad Rez, MD

Internal Medicine

19 yrs NPPES
NPI 1356537179
1 SAINT ANTHONYS WAY, Alton, IL 62002(314) 317-0600
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. Ibrahim Elayyan, MD

Internal Medicine

19 yrs NPPES
NPI 1023207115
1 SAINT ANTHONYS WAY, Alton, IL 62002(314) 317-0600
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. Da Hea Seo, MD

Internal Medicine

18 yrs NPPES
NPI 1861651333
2 SAINT ANTHONYS WAY, SUITE 205, Alton, IL 62002(618) 462-2222
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. Wonil Tae, MD

Internal Medicine

18 yrs NPPES
NPI 1336301779
2 SAINT ANTHONYS WAY, Alton, IL 62002(618) 642-2222
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. Narine Sargsyan, MD

Internal Medicine

18 yrs NPPES
NPI 1609032598
1 MEMORIAL DR, Alton, IL 62002(618) 463-7240
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. Manpreet Sandhu, MD

Internal Medicine

15 yrs NPPES
NPI 1316233265
815 E 5TH ST, SUITE 303, Alton, IL 62002(618) 474-4855
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $157.68 (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.

$157.68

Total received

3

Transactions

2

Paying companies

Top paying companies

Sobi, Inc$122.77
NOVARTIS PHARMACEUTICALS CORPORATION$34.91

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 80th percentile of that group.

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

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

Dr. Vineela Bandarupalli, MD

Internal Medicine

15 yrs NPPES
NPI 1700174562
1 MEMORIAL DR, Alton, IL 62002(618) 463-7240
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. Kathleen Vest, MD

Internal Medicine

14 yrs NPPES
NPI 1750642617
4411 ALBY ST, Alton, IL 62002(618) 474-8052
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. John Richards, MD

Internal Medicine

12 yrs NPPES
NPI 1508276288
1 MEMORIAL DR, Alton, IL 62002(618) 463-7240
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. Ekanga Petters, MD

Internal Medicine

9 yrs NPPES
NPI 1144751827
1 MEMORIAL DR, Alton, IL 62002(618) 463-7240
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. Chandni Sinha, MD

Internal Medicine

9 yrs NPPES
NPI 1265960058
1 MEMORIAL DR, Alton, IL 62002(618) 463-7240
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. Jelena Nikolic, MD

Internal Medicine

8 yrs NPPES
NPI 1689174682
1 MEMORIAL DR, Alton, IL 62002(618) 463-7240
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. Matthew Nations, DO

Internal Medicine

8 yrs NPPES
NPI 1073017638
1 MEMORIAL DR, Alton, IL 62002(618) 463-7240
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. Parth Shah, MD

Internal Medicine

7 yrs NPPES
NPI 1548722713
1 MEMORIAL DR, Alton, IL 62002(618) 463-7240
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $227.75 (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.

$227.75

Total received

5

Transactions

3

Paying companies

Top paying companies

Medtronic, Inc.$137.68
Stryker Corporation$51.02
AbbVie Inc.$39.05

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 83th percentile of that group.

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

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

Dr. Olufunmilola Ajala, MD

Internal Medicine

6 yrs NPPES
NPI 1821618760
1 MEMORIAL DR, Alton, IL 62002(618) 463-7240
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. Kiet Huynh, MD

Internal Medicine

5 yrs NPPES
NPI 1831769637
1 MEMORIAL DR, Alton, IL 62002(573) 884-1606
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $15.04 (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.

$15.04

Total received

1

Transactions

1

Paying companies

Top paying companies

NOVARTIS PHARMACEUTICALS CORPORATION$15.04

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 64th percentile of that group.

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

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

Dr. Candyce Frey, MD

Internal Medicine

1 yrs NPPES
NPI 1881494086
4414 W CENTER DR, Alton, IL 62002(618) 628-8211
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 Alton, IL — Verified | DoctorsProof | DoctorsProof