NPI Portal NPI Lookup & Verification

Internal Medicine in Calais, ME

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

Internal Medicine providers in Calais, ME
NPI Name Type Specialty Location
1013332584 Calais Regional Hospital Organization Internal Medicine Physician Calais, ME
1457352403 Christopher Corcoran Individual Internal Medicine Physician Calais, ME
1093801102 David Simmons Individual Internal Medicine Physician Calais, ME
1215918461 Elizabeth Eliacin Individual Internal Medicine Physician Calais, ME
1194048991 James Knudsen Individual Internal Medicine Physician Calais, ME
1346309796 John Tkach MD Organization Internal Medicine Physician Calais, ME
1578594818 Peter Wilkinson Individual Internal Medicine Physician Calais, ME

Frequently asked questions

How many Internal Medicine providers are in Calais, ME?
The latest NPPES snapshot lists 7 active Internal Medicine providers with a practice address in Calais, Maine.
How do I check a Internal Medicine provider's NPI in Calais?
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.