NPI Portal NPI Lookup & Verification

Internal Medicine in Irwin, PA

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

Internal Medicine providers in Irwin, PA
NPI Name Type Specialty Location
1942270301 Adnan Nassur Individual Pulmonary Disease Physician Irwin, PA
1659707644 Allegheny Clinic Organization Internal Medicine Physician Irwin, PA
1639363674 Allegheny Medical Practice Network Organization Internal Medicine Physician Irwin, PA
1063155851 In Home Health, LLC Organization Hospice and Palliative Medicine (Internal Medicine) Physician Irwin, PA
1205857091 Jeannette Primary Care Organization Internal Medicine Physician Irwin, PA
1114480050 Leanne Woiewodski Individual Cardiovascular Disease Physician Irwin, PA
1982970976 Lucas Heller Individual Endocrinology, Diabetes & Metabolism Physician Irwin, PA
1811166184 Michelle A. Rathgeb M.D. & Associates P.C. Organization Internal Medicine Physician Irwin, PA
1124441464 Upmc Community Medicine Inc Organization Internal Medicine Physician Irwin, PA

Frequently asked questions

How many Internal Medicine providers are in Irwin, PA?
The latest NPPES snapshot lists 9 active Internal Medicine providers with a practice address in Irwin, Pennsylvania.
How do I check a Internal Medicine provider's NPI in Irwin?
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.