Gastroenterology in Normal, IL
6 verified gastroenterology doctors in Normal.
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. Thomas Deweert, MD
Gastroenterology
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. Philip Koszyk, MD
Gastroenterology
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. Herbert Wiser, MD
Gastroenterology
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. Stephen Matter, MD
Gastroenterology
CMS Open Payments· $2,231 (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.
$2,231
Total received
157
Transactions
23
Paying companies
Top paying companies
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 85th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.
Payments to Stephen Matter do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Harris Siddiqui, MD
Gastroenterology
CMS Open Payments· $248.25 (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.
$248.25
Total received
2
Transactions
2
Paying companies
Top paying companies
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 57th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.
Payments to Harris Siddiqui do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Anzhelika Grzesiak, MD
Gastroenterology
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.