Hematology
John Mears, M.D.
Medical Director of the OctoberWoman Foundation
Cortlandt Manor, NY
J. Gregory Mears, M.D. is a Clinical Professor of Medicine at Columbia University Medical Center. After receiving a B.S. at Trinity College, Dr. Mears obtained an M.D. at The College of Physicians and Surgeons, Columbia University. He undertook his Internal Medicine residency at Boston University Medical Center and his Hematology-Medical Oncology fellowship at Columbia University Medical Center.Dr. Mears' early career was research based and involved studies of the molecular genetics of disorders
50+
Years in Practice
Credentials
Education & Training
- Residency: Boston University Medical Center
- Fellowship: Columbia University Medical Center
Peer Recognition
- Castle Connolly — Top Doctor
2002-2026 (25 years)
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Hematology & Oncology
Conditions & Treatments
LeukemiaLymphomaMultiple MyelomaHematologic Malignancies
Practice Details
Hospital Affiliations
- MidHudson Regional Hospital
Experience
50+ years in practice