NPI Portal NPI Lookup & Verification

Internal Medicine in Greenville, MI

25 active Internal Medicine providers practice in Greenville, Michigan according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Greenville, MI
NPI Name Type Specialty Location
1154842193 Asaf Harris Individual Internal Medicine Physician Greenville, MI
1265846281 Bobbye Koning Individual Internal Medicine Physician Greenville, MI
1437261815 David Crittenden MD Individual Internal Medicine Physician Greenville, MI
1184820979 David Crittenden MD Pllc Organization Internal Medicine Physician Greenville, MI
1669033890 Eric Lee Individual Internal Medicine Physician Greenville, MI
1487601464 Gregory Page Individual Internal Medicine Physician Greenville, MI
1720800147 Joyn Health Michigan Pllc Organization Internal Medicine Physician Greenville, MI
1194771980 Kevin Reed Individual Internal Medicine Physician Greenville, MI
1841244480 Kristen Vanderhorn Individual Internal Medicine Physician Greenville, MI
1396903522 Michigan Medical Patient Care Organization Pulmonary Disease Physician Greenville, MI
1043540818 Michigan Medical Patient Care Organization Internal Medicine Physician Greenville, MI
1598937716 Michigan Medical PC Organization Internal Medicine Physician Greenville, MI
1669429106 Shawn Ruth Individual Internal Medicine Physician Greenville, MI
1508449497 Spectrum Health Hospital Organization Internal Medicine Physician Greenville, MI
1770465544 Spectrum Health Hospital Organization Internal Medicine Physician Greenville, MI
1922440478 Spectrum Health Hospitals Organization Internal Medicine Physician Greenville, MI
1962711135 Spectrum Health Primary Care Partners Organization Internal Medicine Physician Greenville, MI
1417351818 Spectrum Health Primary Care Partners Organization Cardiovascular Disease Physician Greenville, MI
1235504770 Spectrum Health United Organization Internal Medicine Physician Greenville, MI
1740265701 Tejinder Mander Individual Cardiovascular Disease Physician Greenville, MI
1306888367 Timothy Helder Individual Internal Medicine Physician Greenville, MI
1215979216 Victor Hajjar Individual Cardiovascular Disease Physician Greenville, MI
1477990877 West Michigan Heart Organization Cardiovascular Disease Physician Greenville, MI
1598107286 West Michigan Heart Organization Cardiovascular Disease Physician Greenville, MI
1568698645 William Fabricius Individual Hematology & Oncology Physician Greenville, MI

Frequently asked questions

How many Internal Medicine providers are in Greenville, MI?
The latest NPPES snapshot lists 25 active Internal Medicine providers with a practice address in Greenville, Michigan.
How do I check a Internal Medicine provider's NPI in Greenville?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-11.