NPI Portal NPI Lookup & Verification

Internal Medicine in Marshall, MI

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

Internal Medicine providers in Marshall, MI
NPI Name Type Specialty Location
1710933932 Aajay Shah Individual Cardiovascular Disease Physician Marshall, MI
1487614343 Alcides Gil-Acosta Individual Pulmonary Disease Physician Marshall, MI
1265623458 Carlos Martinez Individual Pulmonary Disease Physician Marshall, MI
1184820680 Daniel Macias MD Organization Endocrinology, Diabetes & Metabolism Physician Marshall, MI
1619923976 Freda Arlow Individual Gastroenterology Physician Marshall, MI
1265409429 Guy Power Individual Gastroenterology Physician Marshall, MI
1013963180 James Maher Individual Geriatric Medicine (Internal Medicine) Physician Marshall, MI
1356479810 Jonathan Ross Individual Gastroenterology Physician Marshall, MI
1649227604 Jose Valle Individual Internal Medicine Physician Marshall, MI
1417016957 Marshall Internal and Family Medicine Organization Internal Medicine Physician Marshall, MI
1053400291 Mary Johnson Individual Internal Medicine Physician Marshall, MI
1164469318 Michael Meyer Individual Internal Medicine Physician Marshall, MI
1881751261 Vincent Shen Individual Medical Oncology Physician Marshall, MI
1396931937 Vincent Shen MD Plc Organization Hematology & Oncology Physician Marshall, MI

Frequently asked questions

How many Internal Medicine providers are in Marshall, MI?
The latest NPPES snapshot lists 21 active Internal Medicine providers with a practice address in Marshall, Michigan.
How do I check a Internal Medicine provider's NPI in Marshall?
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 2026-07-10.