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Gastroenterology in Grand Rapids, Michigan

Data updated monthly · Last refresh September 2026

33 Gastroenterology providers practice in Grand Rapids, and 79% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in Grand Rapids

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Andrew Shreiner, MD
Grand Rapids, MI · $125 in drug and device payments (2025) · (616) 267-7414
Dr. Asif Azeem, M.D.
Grand Rapids, MI · $1,212 in drug and device payments (2025) · Telehealth · (616) 942-6230
Dr. Ben Kieff, MD
Grand Rapids, MI · $409 in drug and device payments (2025) · Telehealth · (616) 774-2414
Dr. Catherine Bartnik, MD, MPH
Grand Rapids, MI · $385 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Christopher Murphy, MD
Grand Rapids, MI · $14 in drug and device payments (2025) · (216) 536-1528
Dr. Christopher Radawski, MD
Grand Rapids, MI · $110 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Courtney Ferch, MD
Grand Rapids, MI · $1,211 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Curtis Weaver, MD
Grand Rapids, MI · $14 in drug and device payments (2025) · (616) 752-6525
Dr. Dana Stewart, D.O.
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 875-2165
Dr. Daniel Havlichek, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · Telehealth · (616) 267-7414
Dr. Eric Nguyen, MD
Grand Rapids, MI · $15 in drug and device payments (2025) · (616) 267-7414
Dr. Gregory Osborne, MD
Grand Rapids, MI · $45 in drug and device payments (2025) · (616) 774-2414
Dr. James Fuson, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 774-2414
Dr. Jason Puckett, MD
Grand Rapids, MI · $32 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Jay Morrow, M.D.
Grand Rapids, MI · $14 in drug and device payments (2025) · (616) 752-6525
Dr. Jeremy Barber, D.O.
Grand Rapids, MI · $2,947 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Jesse Hartpence, DO
Grand Rapids, MI · $519 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. John Papp, MD
Grand Rapids, MI · $1,449 in drug and device payments (2025) · (616) 267-7414
Dr. Lia Kaufman, MD
Grand Rapids, MI · $467 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Lindsay Negash, D.O.
Grand Rapids, MI · $134 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Mark Cooper, M.D.
Grand Rapids, MI · $743 in drug and device payments (2025) · (616) 752-6525
Dr. Matthew Moeller, MD
Grand Rapids, MI · $739 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Matthew Nelson, M.D.
Grand Rapids, MI · $982 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Michael Madura, M.D,
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 459-3158
Dr. Michael Puff, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 774-2414
Dr. Patrick Brown, DO
Grand Rapids, MI · $258 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Randall Meisner, MD
Grand Rapids, MI · $2,997 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Robert Bischoff, DO
Grand Rapids, MI · $53 in drug and device payments (2025) · (616) 752-6525
Dr. Ryan Wong, MD
Grand Rapids, MI · $106 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Srinivas Janardan, M.D.
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 752-6525
Dr. Stephen Simmer, MD
Grand Rapids, MI · $257 in drug and device payments (2025) · Telehealth · (616) 267-7414
Dr. Tammy Tran-yang, D.O.
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 752-6525
Dr. Thomas Rupp, MD
Grand Rapids, MI · $330 in drug and device payments (2025) · Telehealth · (616) 774-2414

Conditions Gastroenterology providers in Grand Rapids, Michigan commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Gastroenterology providers are in Grand Rapids, Michigan?

There are 33 Gastroenterology providers with active NPI records practicing in Grand Rapids, according to federal NPPES data refreshed monthly.

How many Gastroenterology providers in Grand Rapids received drug or device company payments?

26 of 33 (79%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Gastroenterology providers in Grand Rapids treat?

Gastroenterology providers in Grand Rapids commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Grand Rapids Gastroenterology across Michigan

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.