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

PATRICK M GREHAN

CLINICAL PSYCHOLOGIST

Graduated: 1998

NPI: 1407924368

Practice Locations (1)

721 FRANKLIN AVE

GARDEN CITY, NY 115304524

5162569250

Source: CMS National Downloadable File, September 2026.

PATRICK GREHAN | HealthCareAtlasUSA