NPI Portal NPI Lookup & Verification

Internal Medicine in Tonawanda, NY

11 active Internal Medicine providers practice in Tonawanda, New York according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Tonawanda, NY
NPI Name Type Specialty Location
1568429330 Anthony Perna Individual Internal Medicine Physician Tonawanda, NY
1164669651 Ayesha Butt Individual Internal Medicine Physician Tonawanda, NY
1649264151 Charles Narasi Individual Gastroenterology Physician Tonawanda, NY
1437386893 Denise Callari Individual Internal Medicine Physician Tonawanda, NY
1902887128 Michael Merhige Individual Cardiovascular Disease Physician Tonawanda, NY
1013936137 Nadia Polataiko Individual Internal Medicine Physician Tonawanda, NY
1417000829 Paul Hart Individual Internal Medicine Physician Tonawanda, NY
1568436004 Rajiv Jain Individual Internal Medicine Physician Tonawanda, NY
1740246735 Richard Carlson Jr Individual Internal Medicine Physician Tonawanda, NY
1679684625 Sheridan Drive Medical Group LLP Organization Internal Medicine Physician Tonawanda, NY
1467431296 Syed Haq Individual Cardiovascular Disease Physician Tonawanda, NY

Frequently asked questions

How many Internal Medicine providers are in Tonawanda, NY?
The latest NPPES snapshot lists 11 active Internal Medicine providers with a practice address in Tonawanda, New York.
How do I check a Internal Medicine provider's NPI in Tonawanda?
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.