NPI Portal NPI Lookup & Verification

Internal Medicine in Madison, CT

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

Internal Medicine providers in Madison, CT
NPI Name Type Specialty Location
1215202056 Arthur Decillis Individual Internal Medicine Physician Madison, CT
1396713368 Bonnie Hiatt Individual Cardiovascular Disease Physician Madison, CT
1356534457 Elin Christensen Individual Internal Medicine Physician Madison, CT
1972920114 Elizabeth Laberee Individual Internal Medicine Physician Madison, CT
1366764680 Keiren Smith Individual Internal Medicine Physician Madison, CT
1639268311 Kornelia Keszler Individual Cardiovascular Disease Physician Madison, CT
1083893606 Kornelia Keszler, MD, PC Organization Cardiovascular Disease Physician Madison, CT
1912991175 Serle Epstein Individual Internal Medicine Physician Madison, CT
1033253968 Serle M. Epstein M.D. Organization Internal Medicine Physician Madison, CT
1336586502 Susan O'Malley Individual Internal Medicine Physician Madison, CT

Frequently asked questions

How many Internal Medicine providers are in Madison, CT?
The latest NPPES snapshot lists 10 active Internal Medicine providers with a practice address in Madison, Connecticut.
How do I check a Internal Medicine provider's NPI in Madison?
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.