NPI Portal NPI Lookup & Verification

Internal Medicine in Allegan, MI

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

Internal Medicine providers in Allegan, MI
NPI Name Type Specialty Location
1093899882 Advanced Cardiac Healthcare, Plc Organization Cardiovascular Disease Physician Allegan, MI
1508813114 Allegan Internal Medicine, P. C Organization Internal Medicine Physician Allegan, MI
1508946021 John Roosenberg Individual Internal Medicine Physician Allegan, MI
1770540205 Nabil Nouna Individual Internal Medicine Physician Allegan, MI
1275773343 Optimum Health Clinic, PC Organization Internal Medicine Physician Allegan, MI
1457657058 West Michigan Visiting Physicians, Pllc Organization Internal Medicine Physician Allegan, MI

Frequently asked questions

How many Internal Medicine providers are in Allegan, MI?
The latest NPPES snapshot lists 6 active Internal Medicine providers with a practice address in Allegan, Michigan.
How do I check a Internal Medicine provider's NPI in Allegan?
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.