Gastroenterology in Downers Grove, IL
6 verified gastroenterology doctors in Downers Grove.
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. John Holden, 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. Rockford Yapp, MD
Gastroenterology
CMS Open Payments· $231,429 (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.
$231,429
Total received
221
Transactions
33
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 is higher than 99% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.
Payments to Rockford Yapp do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Anshuman Chawla, MD
Gastroenterology
CMS Open Payments· $3,481 (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.
$3,481
Total received
175
Transactions
24
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 88th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.
Payments to Anshuman Chawla do not imply any wrongdoing. Many are meals, education, or research support.
Dr. James Clark, MD
Gastroenterology
CMS Open Payments· $1,376 (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.
$1,376
Total received
67
Transactions
15
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 80th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.
Payments to James Clark do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Manfred Raiser, 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. David Gerard, MD
Gastroenterology
CMS Open Payments· $252.73 (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.
$252.73
Total received
8
Transactions
8
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 David Gerard do not imply any wrongdoing. Many are meals, education, or research support.