Experienced in Hemolytic Anemia

Dr. Mark B. Geyer

Hematology Oncology
HackenSack Meridian health
Memorial Sloan Kettering Cancer Center
530 East 74th Street, 
New York, NY 
Offers Telehealth
Experienced in Hemolytic Anemia
HackenSack Meridian health
Memorial Sloan Kettering Cancer Center
530 East 74th Street, 
New York, NY 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Mark Geyer is a Hematologist Oncology provider in New York, New York. Dr. Geyer is rated as an Experienced provider by MediFind in the treatment of Hemolytic Anemia. His top areas of expertise are Acute Lymphoblastic Leukemia (ALL), Leukemia, Chronic Lymphocytic Leukemia (CLL), Bone Marrow Transplant, and Bone Marrow Aspiration.

His clinical research consists of co-authoring 60 peer reviewed articles and participating in 2 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 1 article in the study of Hemolytic Anemia.

Graduate Institution
Columbia University College Of Physicians & Surgeons
Residency
Massachusetts General Hospital
Specialties
Hematology Oncology
Licenses
Internal Medicine in NY
Board Certifications
American Board Of Internal Medicine
Hematology
Fellowships
Memorial Sloan-Kettering Cancer Center
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
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CareFirst
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Cigna
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EmblemHealth
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  • MANAGED MEDICAID PLAN
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  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
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  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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Health First
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Highmark
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Horizon Healthcare
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Humana
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Managed Medicaid
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Medicaid
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Medicare
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  • MEDICARE MAPD
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  • OTHER MEDICARE PART D
MetroPlus Health
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
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  • HMO
  • INSURANCE PLAN
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  • OTHER MEDICARE
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View 12 Less Insurance Carriers -

Locations

Memorial Sloan Kettering Cancer Center
530 East 74th Street, New York, NY 10021
Call: 646-608-3745

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

2 Clinical Trials

A Phase I Trial of High Dose Therapy and Autologous Stem Cell Transplantation Followed by Infusion of Chimeric Antigen Receptor (CAR) Modified T-Cells Directed Against CD19+ B-Cells for Relapsed and Refractory Aggressive B Cell Non-Hodgkin Lymphoma
A Phase I Trial of High Dose Therapy and Autologous Stem Cell Transplantation Followed by Infusion of Chimeric Antigen Receptor (CAR) Modified T-Cells Directed Against CD19+ B-Cells for Relapsed and Refractory Aggressive B Cell Non-Hodgkin Lymphoma
Enrollment Status: Active_not_recruiting
Publish Date: December 03, 2025
Intervention Type: Biological, Procedure, Drug
Study Drugs: Carmustine, Etoposide, Cytarabine, Melphalan, Pegfilgrastim, 19-28z T CELLS
Study Phase: Phase 1
A Phase III Randomized Trial of Blinatumomab for Newly Diagnosed BCR-ABL-Negative B Lineage Acute Lymphoblastic Leukemia in Adults
A Phase III Randomized Trial of Blinatumomab for Newly Diagnosed BCR-ABL-Negative B Lineage Acute Lymphoblastic Leukemia in Adults
Enrollment Status: Active_not_recruiting
Publish Date: November 28, 2025
Intervention Type: Drug, Procedure, Biological
Study Drugs: Blinatumomab, Cyclophosphamide, Cytarabine, Daunorubicin, Daunorubicin Hydrochloride, Dexamethasone, Etoposide, Mercaptopurine, Methotrexate, Pegaspargase, Prednisone, Rituximab, Vincristine, Vincristine Sulfate
Study Phase: Phase 3
View 1 Less Clinical Trial

60 Total Publications

Histopathologic and Clinical Characteristics of Cutaneous Toxicities of Tyrosine Kinase Inhibitors: Insights Into Pathologic Mechanisms From a Retrospective Cohort.
Histopathologic and Clinical Characteristics of Cutaneous Toxicities of Tyrosine Kinase Inhibitors: Insights Into Pathologic Mechanisms From a Retrospective Cohort.
Journal: The American Journal of dermatopathology
Published: September 08, 2025
View All 60 Publications
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Markus Mapara is an Oncologist and a Hematologist in New York, New York. Dr. Mapara is rated as a Distinguished provider by MediFind in the treatment of Hemolytic Anemia. His top areas of expertise are Sickle Cell Disease, Congenital Hemolytic Anemia, Hemoglobinopathy, Bone Marrow Transplant, and Bone Marrow Aspiration.

Distinguished in Hemolytic Anemia
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Patricia Shi is a Hematologist Oncology specialist and a Hematologist in Bronx, New York. Dr. Shi is rated as a Distinguished provider by MediFind in the treatment of Hemolytic Anemia. Her top areas of expertise are Sickle Cell Disease, Congenital Hemolytic Anemia, Hemoglobinopathy, Hemolytic Anemia, and Bone Marrow Transplant.

David J. Araten
Advanced in Hemolytic Anemia
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Advanced in Hemolytic Anemia
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Hematology Oncology | Hematology | Oncology

New York University

111 Broadway, 
New York, NY 
 (4.8 miles away)
212-263-9700
Languages Spoken:
English
See accepted insurances

David Araten is a Hematologist Oncology specialist and a Hematologist in New York, New York. Dr. Araten is rated as a Distinguished provider by MediFind in the treatment of Hemolytic Anemia. His top areas of expertise are Paroxysmal Nocturnal Hemoglobinuria (PNH), Paroxysmal Cold Hemoglobinuria, Aplastic Anemia, Hemolytic Anemia, and Bone Marrow Aspiration.

VIEW MORE HEMOLYTIC ANEMIA DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Geyer's expertise for a condition
ConditionClose
  • Elite
  • Acute Lymphoblastic Leukemia (ALL)
    Dr. Geyer is
    Elite
    . Learn about Acute Lymphoblastic Leukemia (ALL).
    See more Acute Lymphoblastic Leukemia (ALL) experts
  • Distinguished
  • Acute Myeloblastic Leukemia without Maturation
    Dr. Geyer is
    Distinguished
    . Learn about Acute Myeloblastic Leukemia without Maturation.
    See more Acute Myeloblastic Leukemia without Maturation experts
  • Acute Myeloid Leukemia (AML)
    Dr. Geyer is
    Distinguished
    . Learn about Acute Myeloid Leukemia (AML).
    See more Acute Myeloid Leukemia (AML) experts
  • Chronic B-Cell Leukemia (CBCL)
    Dr. Geyer is
    Distinguished
    . Learn about Chronic B-Cell Leukemia (CBCL).
    See more Chronic B-Cell Leukemia (CBCL) experts
  • Chronic Lymphocytic Leukemia (CLL)
    Dr. Geyer is
    Distinguished
    . Learn about Chronic Lymphocytic Leukemia (CLL).
    See more Chronic Lymphocytic Leukemia (CLL) experts
  • Chronic Myelogenous Leukemia (CML)
    Dr. Geyer is
    Distinguished
    . Learn about Chronic Myelogenous Leukemia (CML).
    See more Chronic Myelogenous Leukemia (CML) experts
  • Leukemia
    Dr. Geyer is
    Distinguished
    . Learn about Leukemia.
    See more Leukemia experts
View All 7 Distinguished Conditions
  • Advanced
  • Acute Myeloblastic Leukemia with Maturation
    Dr. Geyer is
    Advanced
    . Learn about Acute Myeloblastic Leukemia with Maturation.
    See more Acute Myeloblastic Leukemia with Maturation experts
  • Agranulocytosis
    Dr. Geyer is
    Advanced
    . Learn about Agranulocytosis.
    See more Agranulocytosis experts
  • Anemia
    Dr. Geyer is
    Advanced
    . Learn about Anemia.
    See more Anemia experts
  • Bone Marrow Aspiration
    Dr. Geyer is
    Advanced
    . Learn about Bone Marrow Aspiration.
    See more Bone Marrow Aspiration experts
  • Bone Marrow Transplant
    Dr. Geyer is
    Advanced
    . Learn about Bone Marrow Transplant.
    See more Bone Marrow Transplant experts
  • Childhood Acute Myeloid Leukemia
    Dr. Geyer is
    Advanced
    . Learn about Childhood Acute Myeloid Leukemia.
    See more Childhood Acute Myeloid Leukemia experts
View All 14 Advanced Conditions
  • Experienced
  • Acute Febrile Neutrophilic Dermatosis
    Dr. Geyer is
    Experienced
    . Learn about Acute Febrile Neutrophilic Dermatosis.
    See more Acute Febrile Neutrophilic Dermatosis experts
  • Acute Myelomonocytic Leukemia
    Dr. Geyer is
    Experienced
    . Learn about Acute Myelomonocytic Leukemia.
    See more Acute Myelomonocytic Leukemia experts
  • Acute Promyelocytic Leukemia
    Dr. Geyer is
    Experienced
    . Learn about Acute Promyelocytic Leukemia.
    See more Acute Promyelocytic Leukemia experts
  • Adult T-Cell Leukemia
    Dr. Geyer is
    Experienced
    . Learn about Adult T-Cell Leukemia.
    See more Adult T-Cell Leukemia experts
  • Aplastic Anemia
    Dr. Geyer is
    Experienced
    . Learn about Aplastic Anemia.
    See more Aplastic Anemia experts
  • B-Cell Lymphoma
    Dr. Geyer is
    Experienced
    . Learn about B-Cell Lymphoma.
    See more B-Cell Lymphoma experts
View All 31 Experienced Conditions
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