John G. Mears, MD
Hematology/Oncology
Medical Oncology
Accepting New Patients
Virtual Visits/Telehealth
On the web
Overview
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.
Areas of Expertise / Conditions Treated
- Anemia, Iron Deficiency
- Bleeding Disorders
- Breast Cancer
- Chemotherapy
- Leukemia
- Lymphoma
- Multiple Myeloma
- Sickle Cell Anemia
Academic Appointments
- Professor of Medicine at CUMC
Administrative Titles
- Medical Director, Cheryl R. Lindenbaum Comprehensive Cancer Center, NYP Hudson Valley Hospital
Hospital Affiliations
- NewYork-Presbyterian / Columbia University Irving Medical Center
- NewYork-Presbyterian Hudson Valley Hospital
Gender
- Male
Schedule an Appointment
Virtual Visits/Telehealth
Virtual Visits allow you to connect with your provider from the comfort, convenience, and safety of your own home.
Phone Appointments
New and Existing Patients:
Connect Patient Portal
For existing patients, login to make an appointment, view documentation or contact your care provider.
Location(s)
Insurance Accepted
Aetna
- AETNA Hudson Valley MG Local 1199
Amida Care
- Amida Care Hudson Valley MG HIV SNP
- Amida Care Hudson Valley MG Medicaid Managed Care
Anthem Blue Cross Blue Shield
- Anthem Blue Cross Blue Shield Hudson Valley MG Anthem
- Anthem Blue Cross Blue Shield Hudson Valley MG Blue Access (Marketplace)
- Anthem Blue Cross Blue Shield Hudson Valley MG Blue Card
- Anthem Blue Cross Blue Shield Hudson Valley MG Connection
- Anthem Blue Cross Blue Shield Hudson Valley MG Direct HMO
- Anthem Blue Cross Blue Shield Hudson Valley MG Direct Share POS
- Anthem Blue Cross Blue Shield Hudson Valley MG EPO
- Anthem Blue Cross Blue Shield Hudson Valley MG FEP
- Anthem Blue Cross Blue Shield Hudson Valley MG HMO
- Anthem Blue Cross Blue Shield Hudson Valley MG Indemnity
- Anthem Blue Cross Blue Shield Hudson Valley MG POS
- Anthem Blue Cross Blue Shield Hudson Valley MG PPO
- Anthem Blue Cross Blue Shield Hudson Valley MG Unicare
Cigna
- CIGNA Hudson Valley MG FEP
- CIGNA Hudson Valley MG HealthPartners
- CIGNA Hudson Valley MG HMO
- CIGNA Hudson Valley MG LocalPlus
- CIGNA Hudson Valley MG Medical Indemnity
- CIGNA Hudson Valley MG MVP
- CIGNA Hudson Valley MG Open Access Plus (OAP)
- CIGNA Hudson Valley MG POS
- CIGNA Hudson Valley MG PPO
- CIGNA Hudson Valley MG Priority Health
- CIGNA Hudson Valley MG TPA
Elderplan
- ElderPlan Hudson Valley MG Medicare Managed Care
Fidelis Care
- Fidelis Care Hudson Valley MG Ambetter (Exchange)
- Fidelis Care Hudson Valley MG Essential Plan
- Fidelis Care Hudson Valley MG Medicaid Managed Care
- Fidelis Care Hudson Valley MG Medicare Dual Advantage
Healthfirst
- Healthfirst Hudson Valley MG Child Family Health Plus
- Healthfirst Hudson Valley MG Essential Plan
- Healthfirst Hudson Valley MG Exchange (Leaf Metal Plans)
- Healthfirst Hudson Valley MG Medicaid Managed Care and HARP
- Healthfirst Hudson Valley MG Medicare Managed Care
- Healthfirst Hudson Valley MG NY Life Improvement Plan (SNP-DUAL Only)
- Healthfirst Hudson Valley MG Qualified Health Plan
Healthplus
- Healthplus Hudson Valley MG Child Family Health Plus
- Healthplus Hudson Valley MG Essential Plan
- Healthplus Hudson Valley MG Exchange (Gatekeeper)
- Healthplus Hudson Valley MG Managed Long Term Care (MLTC)
- Healthplus Hudson Valley MG Medicaid Managed Care (Healthplus
- Amerigroup
- Wellpoint)
Healthspring
- Healthspring Hudson Valley MG Medicare Managed Care
MagnaCare (National)
- Magnacare (National) Hudson Valley MG ASC
- Magnacare (National) Hudson Valley MG PPO
Medicaid
- Medicaid Hudson Valley MG Traditional
Medicare
- Medicare Hudson Valley MG Railroad
- Medicare Hudson Valley MG Traditional
Molina Healthcare
- Molina Healthcare Hudson Valley MG Medicare Managed Care (Senior Whole Health)
Multiplan
- Multiplan Hudson Valley MG EPO
- Multiplan Hudson Valley MG HMO
- Multiplan Hudson Valley MG PHCS
- Multiplan Hudson Valley MG POS
- Multiplan Hudson Valley MG PPO
MVP Health Care
- MVP Health Care Hudson Valley MG
UnitedHealthcare
- UnitedHealthcare Hudson Valley MG EPO
- UnitedHealthcare Hudson Valley MG HMO
- UnitedHealthcare Hudson Valley MG Oxford Freedom
- UnitedHealthcare Hudson Valley MG Oxford HMO
- UnitedHealthcare Hudson Valley MG Oxford Liberty
- UnitedHealthcare Hudson Valley MG Oxford Metro
- UnitedHealthcare Hudson Valley MG POS
- UnitedHealthcare Hudson Valley MG PPO
VNS Health
- VNS Health Hudson Valley MG Medicaid Managed Care
- VNS Health Hudson Valley MG Medicare Managed Care
WellCare
- WellCare Hudson Valley MG American Progressive Life
- WellCare Hudson Valley MG New Jersey Services (Medicare Managed Care)
- WellCare Hudson Valley MG NJ Managed Long Term Services and Supports (MLTSS)
- WellCare Hudson Valley MG NJ Medicaid
- WellCare Hudson Valley MG NY Medicare
World Trade Center Health Plan
- World Trade Center Health Plan
*Before your appointment, please contact the doctor’s office or your insurance provider to verify that your insurance is accepted. This list of insurances can change, and the insurance plans listed may not be accepted at all office locations for this provider.
Credentials & Experience
Education & Training
- Columbia University College of Physicians and Surgeons
- Internship: Boston University Medical Center
- Residency: Boston University Medical Center
- Fellowship: Columbia Presbyterian Medical Center, NY
Board Certifications
- Hematology
- Internal Medicine