Hematology (Internal Medicine) in Grand Rapids, Michigan
Data updated monthly · Last refresh September 2026
7 Hematology (Internal Medicine) providers practice in Grand Rapids. Listings are drawn from federal public records and are not endorsements.
Hematology (Internal Medicine) 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. David Oviatt, MDGrand Rapids, MI · No drug or device payments recorded (2025) ·
(616) 949-7079 Dr. John O'donnell, M.D.Grand Rapids, MI · No drug or device payments recorded (2025) ·
(616) 949-7079 Dr. Louis Marks, M.D.Grand Rapids, MI · No drug or device payments recorded (2025) ·
(616) 949-7079 Dr. Luke Eastburg, MDGrand Rapids, MI · $345 in drug and device payments (2025) ·
(616) 389-1800 Dr. Rupin ShahGrand Rapids, MI · No drug or device payments recorded (2025) ·
(616) 486-5933 Dr. Sonya Inderbitzin-fischer, MDGrand Rapids, MI · $366 in drug and device payments (2025) ·
(163) 891-8006 Dr. Syed Muneer Abidi, MDGrand Rapids, MI · $30 in drug and device payments (2025) ·
(616) 486-5933 Common questions
How many Hematology (Internal Medicine) providers are in Grand Rapids, Michigan?There are 7 Hematology (Internal Medicine) providers with active NPI records practicing in Grand Rapids, according to federal NPPES data refreshed monthly.
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 Hematology (Internal Medicine) across Michigan
