NPI Portal NPI Lookup & Verification

Internal Medicine in Pearl River, NY

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

Internal Medicine providers in Pearl River, NY
NPI Name Type Specialty Location
1558355107 Arthur Appel Individual Internal Medicine Physician Pearl River, NY
1134586480 Charles Knirsch Individual Internal Medicine Physician Pearl River, NY
1629270459 Elliot Dehaan Individual Infectious Disease Physician Pearl River, NY
1467216366 Integrated Medical Health Wellness P C Organization Internal Medicine Physician Pearl River, NY
1922019165 Liviu Nastase Individual Internal Medicine Physician Pearl River, NY
1255979100 Michele H Leder MD Facp PC Organization Internal Medicine Physician Pearl River, NY
1992771877 Michele Leder Individual Internal Medicine Physician Pearl River, NY
1265772701 Oliver Kurucz MD PC Organization Rheumatology Physician Pearl River, NY
1205341468 Rockland County Medical PC Organization Internal Medicine Physician Pearl River, NY
1568720514 Stefan Kurucz MD PC Organization Internal Medicine Physician Pearl River, NY

Frequently asked questions

How many Internal Medicine providers are in Pearl River, NY?
The latest NPPES snapshot lists 10 active Internal Medicine providers with a practice address in Pearl River, New York.
How do I check a Internal Medicine provider's NPI in Pearl River?
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.