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

DENNIS PERENYI, MD

OBSTETRICS/GYNECOLOGY

Medical school: WEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1979

NPI: 1154321529

Practice Locations (2)

UNITED HEALTH SERVICES HOSPITALS, INC.

54 MAIN ST

CANDOR, NY 137431619

6076597272

UNITED HEALTH SERVICES HOSPITALS, INC.

33 -57 HARRISON ST

JOHNSON CITY, NY 137902107

6077636101

Source: CMS National Downloadable File, September 2026.