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 P DERVAN, MD

CARDIOVASCULAR DISEASE (CARDIOLOGY)

Medical school: SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1976

NPI: 1871524439

Practice Locations (1)

STONY BROOK INTERNISTS UNIVERSITY FACULTY PRACTICE CORPORATION

301 E MAIN ST

BAY SHORE, NY 117068408

6319412000

Source: CMS National Downloadable File, September 2026.