Overview
John Leonard is a Hematologist and an Oncologist practicing medicine in New York, New York.
Dr. Leonard is highly rated in 16 conditions, according to our data. His clinical expertise encompasses Gastric Lymphoma, Non-Hodgkin Lymphoma, Follicular Lymphoma, and Mantle Cell Lymphoma (MCL).
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
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, New York, NY 10021
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Frequently Asked Questions about Dr. John Leonard
How do I make an appointment with Dr. John Leonard?
You can book an appointment with Dr. John Leonard by calling their office at 212-746-2932. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. John Leonard a top-rated expert for Gastric Lymphoma?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. John Leonard is classified as an Distinguished expert for Gastric Lymphoma, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. John Leonard specialize in?
While Dr. John Leonard is a Hematology, they have specific expertise in Gastric Lymphoma, Non-Hodgkin Lymphoma, and Follicular Lymphoma. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Hematology.
Does Dr. John Leonard accept my insurance?
Dr. John Leonard accepts most major insurance plans, including Aetna and Humana. We recommend calling the office directly at 212-746-2932 to verify that your specific plan is currently accepted before your visit.
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
- Distinguished
- Follicular LymphomaDr. Leonard isDistinguished. Learn about Follicular Lymphoma.
- Gastric LymphomaDr. Leonard isDistinguished. Learn about Gastric Lymphoma.
- Mantle Cell Lymphoma (MCL)Dr. Leonard isDistinguished. Learn about Mantle Cell Lymphoma (MCL).
- Non-Hodgkin LymphomaDr. Leonard isDistinguished. Learn about Non-Hodgkin Lymphoma.
- Waldenstrom MacroglobulinemiaDr. Leonard isDistinguished. Learn about Waldenstrom Macroglobulinemia.
- Advanced
- B-Cell LymphomaDr. Leonard isAdvanced. Learn about B-Cell Lymphoma.
- Chronic B-Cell Leukemia (CBCL)Dr. Leonard isAdvanced. Learn about Chronic B-Cell Leukemia (CBCL).
- Chronic Lymphocytic Leukemia (CLL)Dr. Leonard isAdvanced. Learn about Chronic Lymphocytic Leukemia (CLL).
- Classical Hodgkin LymphomaDr. Leonard isAdvanced. Learn about Classical Hodgkin Lymphoma.
- Diffuse Large B-Cell Lymphoma (DLBCL)
- Hodgkin LymphomaDr. Leonard isAdvanced. Learn about Hodgkin Lymphoma.
- Experienced
- Adult T-Cell LeukemiaDr. Leonard isExperienced. Learn about Adult T-Cell Leukemia.
- AgranulocytosisDr. Leonard isExperienced. Learn about Agranulocytosis.
- Anaplastic Large Cell LymphomaDr. Leonard isExperienced. Learn about Anaplastic Large Cell Lymphoma.
- 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).
- IgG4-Related DiseaseDr. Leonard isExperienced. Learn about IgG4-Related Disease.