Chronic Lymphocytic Leukemia (CLL)
520 East 70th Street
Starr Pavilion, 3rd Floor
New York, NY 10021
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Locations and Appointments
New Patients
Insurances Accepted
Please contact the doctor's office to verify that your insurance is accepted.
AETNA
Aetna - NYP
Amida Care
Anthem Blue Cross Blue Shield
Anthem Blue Cross/Blue Shield
Anthem Blue Cross/Blue Shield Healthplus
CIGNA
EmblemHealth
Fidelis Care
GHI
Health Insurance Plan of NY (HIP)
Healthfirst
Healthspring
Local 1199
Molina Healthcare
Oxford Health Plans
Quality Health Management (QHM)
Rockefeller University/Luminare
United Healthcare
UnitedHealthcare
VNS Health
VNSNY CHOICE
WellCare
WorldWide Medical
About Ellen K. Ritchie, M.D.
Dr. Ritchie graduated from Barnard College at Columbia University and received her medical degree from the College of Physicians and Surgeons at Columbia University in New York City. She was elected to the Alpha Omega Alpha Honor Society. She completed her internship and residency in internal medicine at New York Presbyterian Hospital, Columbia campus. Dr. Ritchie completed her fellowship in hematology and medical oncology at the New York Presbyterian Hospital, Columbia campus.
Board Certifications
- Hematology
- Internal Medicine
- Medical Oncology
Expertise
- Anemia
- Chronic Myelogenous Leukemia
- CML (Chronic Myeloid Leukemia)
- Essential Thrombocythemia
- ET (Essential Thrombocythemia)
- Hypereosinophilic Syndrome
- Leukemia
- MF (Myelofibrosis)
- MPN (Myeloproliferative Neoplasm)
- Myelodysplastic Syndrome
- Myelofibrosis
- Myeloproliferative Disease
- Myeloproliferative Disorder
- Myeloproliferative Neoplasm
- Polycythemia Vera
Education
- Fellowship: Columbia University College of Physicians and Surgeons
- Internship: Columbia University College of Physicians and Surgeons
- Medical School: Columbia University College of Physicians and Surgeons
- Residency: Columbia University College of Physicians and Surgeons
Languages
- English
Titles & Positions
- Associate Attending Physician
- Associate Professor of Clinical Medicine
Hospital Affiliations
- NewYork-Presbyterian / Weill Cornell Medical Center
Education
- Medical School: Columbia University College of Physicians and Surgeons
- Residency: Columbia University College of Physicians and Surgeons
- Internship: Columbia University College of Physicians and Surgeons
- Fellowship: Columbia University College of Physicians and Surgeons
Titles & Positions
- Associate Attending Physician
- Associate Professor of Clinical Medicine
Board Certifications
- hematology
- internal medicine
- medical oncology
Languages Spoken
- english
Research
Phase 1b study of ABBV-744, a novel, selective BET inhibitor, as monotherapy for patients with myelofibrosis.
May 26, 2026Pemigatinib for Myeloid/Lymphoid Neoplasms with FGFR1 Rearrangement.
August 26, 2025Transplant Outcomes in Myelofibrosis: Impact of Donor Type (Cord Blood Grafts Supported by CD34+ selected Cells [Haplo-Cord] Versus Matched Donors).
September 05, 2024