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

SEBASTIAN A MAYER, MD

HEMATOPOIETIC CELL TRANSPLANTATION AND CELLULAR THERAPY

Graduated: 1998

Also: MEDICAL ONCOLOGY

NPI: 1982627873

Practice Locations (2)

WEILL MEDICAL COLLEGE OF CORNELL

520 E 70TH ST

NEW YORK, NY 100219800

WEILL MEDICAL COLLEGE OF CORNELL

525 E 68TH ST

NEW YORK, NY 100654870

2127462119

Source: CMS National Downloadable File, September 2026.

SEBASTIAN MAYER, MD | HealthCareAtlasUSA