HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / NY

WILLIAM G CIHAK, MD

INTERNAL MEDICINE

Graduated: 1998

NPI: 1386643781

Practice Locations (1)

OLEAN MEDICAL PRACTICE PLLC

6133 ROUTE 219 S, SUITE 1006

ELLICOTTVILLE, NY 147319613

7166994332

Source: CMS National Downloadable File, September 2026.

WILLIAM CIHAK, MD | HealthCareAtlasUSA