NPI Portal NPI Lookup & Verification

Internal Medicine in Cortland, OH

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

Internal Medicine providers in Cortland, OH
NPI Name Type Specialty Location
1174557854 Benjamin Kulper Individual Internal Medicine Physician Cortland, OH
1417981077 Dan Olson Individual Internal Medicine Physician Cortland, OH
1821097486 Gary Gibson Individual Internal Medicine Physician Cortland, OH
1952335622 Leonard Kanterman Individual Internal Medicine Physician Cortland, OH
1902824188 Mary Fontanarosa Individual Internal Medicine Physician Cortland, OH
1427088715 Mourad Rostom Individual Internal Medicine Physician Cortland, OH
1013119551 Nicola Demacopoulos MD Inc Organization Internal Medicine Physician Cortland, OH
1023042850 Sameh Youssef Individual Internal Medicine Physician Cortland, OH
1306876693 Sohair Rostom Individual Internal Medicine Physician Cortland, OH
1285642769 Trumbull Mahoning Medical Group, Inc. Organization Internal Medicine Physician Cortland, OH
1205020104 Trumbull Mahoning Medical Group, Inc. Organization Internal Medicine Physician Cortland, OH
1497885933 Veronica Jean-Pierre Individual Endocrinology, Diabetes & Metabolism Physician Cortland, OH
1144401076 Warren Physicians Group Inc Organization Internal Medicine Physician Cortland, OH

Frequently asked questions

How many Internal Medicine providers are in Cortland, OH?
The latest NPPES snapshot lists 13 active Internal Medicine providers with a practice address in Cortland, Ohio.
How do I check a Internal Medicine provider's NPI in Cortland?
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.