NPI Portal NPI Lookup & Verification

Internal Medicine in Darien, CT

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

Internal Medicine providers in Darien, CT
NPI Name Type Specialty Location
1154340040 Amanda Collins- Baine Individual Internal Medicine Physician Darien, CT
1952588543 Caleb Moore MD, LLC Organization Internal Medicine Physician Darien, CT
1780930933 Carolyn Langelier Individual Internal Medicine Physician Darien, CT
1487689170 Charles Miner Individual Internal Medicine Physician Darien, CT
1851827000 Darien Signature Health, Inc. Organization Internal Medicine Physician Darien, CT
1578581724 Donald Stangler Individual Rheumatology Physician Darien, CT
1841366820 Gene Balboa Individual Internal Medicine Physician Darien, CT
1639881956 Hhc One Medical, LLC Organization Internal Medicine Physician Darien, CT
1376574947 Internal Medicine Associates of Darien, P.C. Organization Internal Medicine Physician Darien, CT
1427367705 James Dorr Individual Internal Medicine Physician Darien, CT
1740604941 Karthik Gunachelvan Individual Internal Medicine Physician Darien, CT
1073177846 Lawrence Debellis Individual Endocrinology, Diabetes & Metabolism Physician Darien, CT
1285623843 Margaret Baran Individual Internal Medicine Physician Darien, CT
1720005507 Mark Dam Individual Internal Medicine Physician Darien, CT
1811918683 Michael Schwartz Individual Internal Medicine Physician Darien, CT
1629003413 Philip Negus Individual Internal Medicine Physician Darien, CT
1740678135 Post-Acute Cardiology Care LLC Organization Cardiovascular Disease Physician Darien, CT
1871907113 Qurat Mudassar Individual Internal Medicine Physician Darien, CT
1295897973 Robert Lindberg Individual Internal Medicine Physician Darien, CT
1306150875 Sujana Sunkara Individual Internal Medicine Physician Darien, CT
1306877626 Susan Collins Individual Internal Medicine Physician Darien, CT
1144480625 Victor Lawrence Individual Rheumatology Physician Darien, CT
1124104724 William Giesen Individual Internal Medicine Physician Darien, CT

Frequently asked questions

How many Internal Medicine providers are in Darien, CT?
The latest NPPES snapshot lists 23 active Internal Medicine providers with a practice address in Darien, Connecticut.
How do I check a Internal Medicine provider's NPI in Darien?
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.