NPI Portal NPI Lookup & Verification

Internal Medicine in Willoughby Hills, OH

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

Internal Medicine providers in Willoughby Hills, OH
NPI Name Type Specialty Location
1114046869 Arthritis Associates Inc. Organization Rheumatology Physician Willoughby Hills, OH
1629464029 Elizabeth Kightlinger Individual Internal Medicine Physician Willoughby Hills, OH
1558455329 Gary B. Kaplan, M.D.,Inc Organization Pulmonary Disease Physician Willoughby Hills, OH
1689741886 Gary Birnbaum Individual Internal Medicine Physician Willoughby Hills, OH
1023102324 Gary Kaplan Individual Pulmonary Disease Physician Willoughby Hills, OH
1285967919 Hallie Kendis Individual Internal Medicine Physician Willoughby Hills, OH
1730145103 Jon Rainey Individual Internal Medicine Physician Willoughby Hills, OH
1649594532 Kathryn Brzozowski Individual Internal Medicine Physician Willoughby Hills, OH
1326115528 Keith Byers Individual Internal Medicine Physician Willoughby Hills, OH
1366070088 Lina Costanzo Individual Internal Medicine Physician Willoughby Hills, OH
1609076868 Michael Koniarczyk Individual Internal Medicine Physician Willoughby Hills, OH
1437358801 Ronald Purcell Individual Allergy & Immunology (Internal Medicine) Physician Willoughby Hills, OH
1134071897 Ronda Lorik Individual Internal Medicine Physician Willoughby Hills, OH
1346772274 Stephanie Ribelli Individual Rheumatology Physician Willoughby Hills, OH
1154563203 Varinder Dhillon Individual Internal Medicine Physician Willoughby Hills, OH
1013109081 Vivian Chukwuani Individual Internal Medicine Physician Willoughby Hills, OH

Frequently asked questions

How many Internal Medicine providers are in Willoughby Hills, OH?
The latest NPPES snapshot lists 16 active Internal Medicine providers with a practice address in Willoughby Hills, Ohio.
How do I check a Internal Medicine provider's NPI in Willoughby Hills?
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.