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

JOHN N ALLAN, MD

MEDICAL ONCOLOGY

Medical school: SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2009

Also: HEMATOLOGY

Offers telehealth

NPI: 1144462441

Practice Locations (1)

WEILL MEDICAL COLLEGE OF CORNELL

520 E 70TH ST

NEW YORK, NY 100219800

6469622012

Source: CMS National Downloadable File, September 2026.

JOHN ALLAN, MD | HealthCareAtlasUSA