HealthCareAtlasUSA

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Doctors / NY

ALEXANDER J GREENSTEIN, MD

GENERAL SURGERY

Medical school: JS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY

Graduated: 2003

Offers telehealth

NPI: 1992964035

Practice Locations (2)

ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI

1 GUSTAVE L LEVY PL

NEW YORK, NY 100296504

2122416500

ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI

5 E 98TH ST, SURGERY DEPT

NEW YORK, NY 100296501

2122416591

Source: CMS National Downloadable File, September 2026.

ALEXANDER GREENSTEIN, MD | HealthCareAtlasUSA