HealthCareAtlasUSA

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Doctors / NY

JACK M GREENWOOD, MD

NEUROLOGY

Medical school: NEW YORK UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1974

NPI: 1851396865

Practice Locations (1)

120 N COUNTRY RD

PORT JEFFERSON, NY 117772604

6314740444

Source: CMS National Downloadable File, September 2026.

JACK GREENWOOD, MD | HealthCareAtlasUSA