Overview
John Leonard is a Hematologist Oncology specialist and an Oncologist in New York, New York. Dr. Leonard has been practicing medicine for over 30 years and is rated as an Advanced provider by MediFind in the treatment of Nodular Lymphocyte-Predominant Hodgkin Lymphoma (NLPHL). His top areas of expertise are Non-Hodgkin Lymphoma, Follicular Lymphoma, Mantle Cell Lymphoma (MCL), Diffuse Large B-Cell Lymphoma (DLBCL), and Bone Marrow Transplant.
His clinical research consists of co-authoring 233 peer reviewed articles and participating in 3 clinical trials. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- HMO
- POS
- PPO
Locations
520 E 70th St, Suite 651, New York, NY 10021
111 Broadway, New York, NY 10006
240 E 38th St, New York, NY 10016
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.
3 Clinical Trials
Barnabas Health Medical Group PC
Israel Grossman is a Hematologist Oncology specialist and a Hematologist in Livingston, New Jersey. Dr. Grossman is rated as a Distinguished provider by MediFind in the treatment of Nodular Lymphocyte-Predominant Hodgkin Lymphoma (NLPHL). His top areas of expertise are Nodular Lymphocyte-Predominant Hodgkin Lymphoma (NLPHL), Plasmacytoma, Hodgkin Lymphoma, Marginal Zone Lymphoma (MZL), and Bone Marrow Aspiration. Dr. Grossman is currently accepting new patients.
Msk Nassau
Raphael Steiner is an Oncologist in Uniondale, New York. Dr. Steiner is rated as an Elite provider by MediFind in the treatment of Nodular Lymphocyte-Predominant Hodgkin Lymphoma (NLPHL). His top areas of expertise are B-Cell Lymphoma, Non-Hodgkin Lymphoma, Hodgkin Lymphoma, Tissue Biopsy, and Bone Marrow Aspiration. Dr. Steiner is currently accepting new patients.
New York University
Michael Grossbard is a Hematologist Oncology specialist and a Hematologist in New York, New York. Dr. Grossbard is rated as a Distinguished provider by MediFind in the treatment of Nodular Lymphocyte-Predominant Hodgkin Lymphoma (NLPHL). His top areas of expertise are Hodgkin Lymphoma, Primary Lymphoma of the Brain, Marginal Zone Lymphoma (MZL), Non-Hodgkin Lymphoma, and Bone Marrow Aspiration.
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
- Elite
- B-Cell LymphomaDr. Leonard isElite. Learn about B-Cell Lymphoma.
- Diffuse Large B-Cell Lymphoma (DLBCL)
- Follicular LymphomaDr. Leonard isElite. Learn about Follicular Lymphoma.
- Mantle Cell Lymphoma (MCL)Dr. Leonard isElite. Learn about Mantle Cell Lymphoma (MCL).
- Non-Hodgkin LymphomaDr. Leonard isElite. Learn about Non-Hodgkin Lymphoma.
- Distinguished
- Chronic B-Cell Leukemia (CBCL)Dr. Leonard isDistinguished. Learn about Chronic B-Cell Leukemia (CBCL).
- Chronic Lymphocytic Leukemia (CLL)Dr. Leonard isDistinguished. Learn about Chronic Lymphocytic Leukemia (CLL).
- Gastric LymphomaDr. Leonard isDistinguished. Learn about Gastric Lymphoma.
- Hodgkin LymphomaDr. Leonard isDistinguished. Learn about Hodgkin Lymphoma.
- Lymphofollicular HyperplasiaDr. Leonard isDistinguished. Learn about Lymphofollicular Hyperplasia.
- Marginal Zone Lymphoma (MZL)Dr. Leonard isDistinguished. Learn about Marginal Zone Lymphoma (MZL).
- Advanced
- AgranulocytosisDr. Leonard isAdvanced. Learn about Agranulocytosis.
- Anaplastic Large Cell LymphomaDr. Leonard isAdvanced. Learn about Anaplastic Large Cell Lymphoma.
- Bone Marrow TransplantDr. Leonard isAdvanced. Learn about Bone Marrow Transplant.
- Classical Hodgkin LymphomaDr. Leonard isAdvanced. Learn about Classical Hodgkin Lymphoma.
- Febrile NeutropeniaDr. Leonard isAdvanced. Learn about Febrile Neutropenia.
- Large-Cell Immunoblastic LymphomaDr. Leonard isAdvanced. Learn about Large-Cell Immunoblastic Lymphoma.
- Experienced
- Acute Myeloid Leukemia (AML)Dr. Leonard isExperienced. Learn about Acute Myeloid Leukemia (AML).
- Adult T-Cell LeukemiaDr. Leonard isExperienced. Learn about Adult T-Cell Leukemia.
- Chronic Familial NeutropeniaDr. Leonard isExperienced. Learn about Chronic Familial Neutropenia.
- Chronic T-Cell Leukemia (CTCL)Dr. Leonard isExperienced. Learn about Chronic T-Cell Leukemia (CTCL).
- Gaucher DiseaseDr. Leonard isExperienced. Learn about Gaucher Disease.
- IgG4-Related DiseaseDr. Leonard isExperienced. Learn about IgG4-Related Disease.