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

JOHN MONGAN, DO

INTERNAL MEDICINE

Medical school: PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE

Graduated: 2005

Also: HEMATOLOGY/ONCOLOGY

Offers telehealth

NPI: 1134235765

Practice Locations (2)

GLENS FALLS HOSPITAL INC

79 N ST, GRANVILLE MEDICAL CENTER

GRANVILLE, NY 128321137

5186420612

GLENS FALLS HOSPITAL INC

211 CHURCH ST

SARATOGA SPRINGS, NY 128661003

5182266000

Source: CMS National Downloadable File, September 2026.

JOHN MONGAN, DO | HealthCareAtlasUSA