Dr. John Mears, MD

Dr. John Mears, MD

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Hematology  |  
Male  |  
70 y/o
(7)

Accepting new patients

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.

Columbia University Medical Center Division of Hematology/Oncology

161 Fort Washington Ave # 923

New York, NY 10032
Get Directions

Accepted insurance

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Massachusetts
  • Capital District Physician's Health Plan (CDPHP)
  • Cigna
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • Harvard Pilgrim Health Care
  • MultiPlan
  • MVP Health Care
  • Oxford Health Plans
  • UnitedHealthCare

Learn about Dr. Mears

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

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See how frequently Dr. Mears performs your care needs compared to other doctors.

Polycythemia Rubra Vera
very high
more than 99% of peers
Non-Hodgkin's Lymphoma
very high
more than 99% of peers
All Lymphoma
very high
more than 99% of peers

Dr. Mears's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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Care Philosophy

This content was provided by Dr. Mears "We are committed to delivering the best care and an exceptional patient experience. We are devoted to providing services that are patient-centered and compassionate, and care for you as a person. "
3

Specialties

  • Hematology
  • Internal Medicine
  • Medical Oncology
2

Board Certifications

  • Hematology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
96

Conditions Treated

  • Acute Leukemia
  • Acute Lymphoid Leukemia
  • Acute Myeloid Leukemia
  • All Lymphoma
  • Anal Disorders
  • Anal and Rectal Cancer
  • Anemia
  • Antiphospholipid Syndrome (APS)
  • Autoimmune Diseases
  • Basal Cell Carcinoma
  • Bile Duct Cancer
  • Bladder Cancer
  • Bleeding Disorders
  • Blood Disorders
  • Blood Disorders in Pregnancy
  • Bone Cancer
  • Bone Disorders
  • Brain Cancer
  • Brain Disorders
  • Brain and Nervous System Cancer (incl. Gliomas, Astrocytoma, Schwannoma, Medulloblastoma, Chordoma)
  • Breast Cancer
  • Breast Diseases
  • Cancer
  • Central Nervous System Lymphoma
  • Chronic Myeloid Leukemia (CML)
  • Coagulation Disorders (incl. Hemophilia)
  • Colorectal Cancer
  • Cryoglobulinemia
  • Deep Vein Thrombosis (DVT)
  • Esophageal Cancer
  • Esophageal Diseases
  • Gallbladder and Biliary Tract Cancer
  • Gastrointestinal Diseases
  • Gynecologic Cancer
  • Head and Neck Cancer
  • Hemophilia
  • Hemophilia A
  • Hodgkin's Disease
  • Hypercoagulable State
  • Immune Thrombocytopenic Purpura (ITP)
  • Kaposi's Sarcoma
  • Kidney Cancer
  • Larynx Conditions
  • Leukocytosis
  • Liver Cancer
  • Lung Cancer
  • Lung Neoplasms, Not Specified as Malignant
  • Lymphocytosis
  • Lymphoma, Large-Cell
  • Macroglobulinemia (incl. Waldenstrom's )
  • Mantle Cell Lymphoma
  • Marginal Zone Lymphoma
  • Mast Cell Diseases
  • Maternal Anemia
  • Melanoma
  • Meningiomas
  • Mycosis Fungoides
  • Myelodysplastic Syndromes
  • Myeloma
  • Myeloproliferative Disorders
  • Neuroendocrine Tumors
  • Neutropenia
  • Nodular Lymphoma
  • Non-Hodgkin's Lymphoma
  • Pancreatic Cancer
  • Pancytopenia
  • Peripheral T-Cell Lymphoma
  • Polycythemia Rubra Vera
  • Pregnancy-Related Disorders
  • Primary Central Nervous System Lymphoma
  • Primary Hypercoagulable State (incl. Factor V Leiden Disease)
  • Prostate Cancer
  • Pulmonary Disease
  • Purpura
  • Qualitative Platelet Defects (incl. Glanzmann's Thrombasthenia)
  • Reticulosarcoma
  • Retina Diseases
  • Secondary Malignancies
  • Sickle Cell Disease
  • Skin Cancer
  • Small Intestine Cancer
  • Squamous Cell Carcinoma
  • Stomach Cancer
  • Stomach Diseases
  • Stomach and Small Intestine Cancer
  • Thalassemia
  • Thrombocytosis
  • Thrombosis
  • Thymomas
  • Thyroid Cancer
  • Urinary Disorders
  • Uterine Cancer
  • Uterine Diseases
  • Vascular Disease
  • Venous Embolism and Thrombosis
  • von Willebrand Disease

More

Read More
3

Procedures

  • Bone Marrow Biopsy
  • Plasmapheresis
  • Thoracentesis

Background Check

0 Malpractice Claims

No malpractice history found for New York.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Columbia University College Of Physicians And Surgeons
    Medical School | Graduated 1972
  • Boston University Medical Center
    Internship Hospital | Completed 1974
  • Boston University Medical Center
    Residency Hospital | Completed 1975
  • New York Presbyterian Hosp Columbia Univ Medical Ctr
    Fellowship Hospital | Completed 1979

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Mears has no media or publications listed.

Languages Spoken

  • English
  • Greek
  • Spanish

Memberships & Professional Affiliations

Dr. Mears does not have any memberships or affiliations listed. If you are Dr. Mears and would like to add memberships or affiliations, please update your profile.

Dr. Mears' Reviews

Likelihood of recommending Dr. Mears to family and friends
4.6
based on 7 total reviews (1 with a comment)
Dr. Mears' Performance
  • Trustworthiness
    EXCELLENT
  • Explains condition(s) well
    EXCELLENT
  • Answers Questions
    EXCELLENT
  • Time well spent
    EXCELLENT
Office & Staff Performance
  • Scheduling
    VERY GOOD
  • Office environment
    VERY GOOD
  • Staff friendliness
    VERY GOOD
  • Average wait time
    16 to 30 minutes
Patient Comments (1)
in New York, NY |
Dr. Mears is an outstanding and warm doctor.. He is a joy to visit! More important he fought my CLL and won. It is always a great pleasure to have an appointment with him. I have known him for eight years. He is my hero. Al Gordon
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Visit Dr. Mears

Now Accepting New Patients
Dr. Mears accepts 13 insurance carriers
  • Aetna
    Aetna HMO
    Choice Plus POS II
  • Blue Cross Blue Shield
    Blue Card PPO
  • Blue Cross Blue Shield of Louisiana
    BlueConnect HMO
  • Blue Cross Blue Shield of Massachusetts
    Preferred Blue PPO
  • Capital District Physician's Health Plan (CDPHP)
    Capital District Physician's Health Plan (CDPHP) HMO
  • Cigna
    Cigna HMO
    Cigna PPO
    Open Access Plus
  • EmblemHealth
    Health Insurance Plan of Greater New York (HIP) PPO
  • Empire Blue Cross Blue Shield
    Empire Blue Cross Blue Shield HMO
  • Harvard Pilgrim Health Care
    Harvard Pilgrim Health Care PPO
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO
  • MVP Health Care
    MVP Health Care PPO
  • Oxford Health Plans
    Freedom Plan
  • UnitedHealthCare
    Oxford Liberty

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Mears has admitting privileges

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