Physician’s Profile

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Top Doctor: 
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John Gregory Mears, MD

Department of Medicine
Division of Hematology/Oncology
Introduction:

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 of hemoglobin as well as chronic myelogenous leukemia. For the past 25 years Dr. Mears has maintained a clinical practice caring for people with blood disorders with an emphasis on leukemia, non-Hodgkin's lymphoma, Hodgkin's disease, and multiple myeloma. Dr. Mears has a strong clinical interest in women with breast cancer and is the Medical Director of the OctoberWoman Foundation.

Additionally, Dr. Mears is pursuing clinical research in the fields of Hodgkin's and non-Hodgkin's lymphoma as well as breast cancer. He is also actively engaged in the teaching of medical students, residents and fellows.

Board Certificates
Hematology
Internal Medicine
Areas of Expertise:
  • Medical Oncology
  • Cancer Care
  • Breast Cancer
  • Chemotherapy
  • Anemia, Iron Deficiency
  • Lymphoma
  • Leukemia
  • Sickle Cell Anemia
  • Multiple Myeloma
  • Bleeding Disorder