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 MARRIN, CP

CLINICAL PSYCHOLOGIST

Graduated: 1984

NPI: 1861493629

Practice Locations (1)

12 OLD FIELD RD

SETAUKET, NY 117332260

6312654670

Source: CMS National Downloadable File, September 2026.

WILLIAM MARRIN, CP | HealthCareAtlasUSA