Experienced in Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections

Dr. John P. Leonard

Hematology Oncology | Oncology | Hematology

Weill Cornell Medicine

Weill Medical College Of Cornell

520 E 70th St, Suite 651,

New York, NY

Offers Telehealth

30 Years of Experience

Experienced in Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections

Weill Cornell Medicine

Weill Medical College Of Cornell

520 E 70th St, Suite 651,

New York, NY

OverviewInsuranceLocationsClinical ResearchSimilar Doctors

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 Experienced provider by MediFind in the treatment of Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections. 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.

Specialties

Hematology Oncology

Oncology

Hematology

Licenses

Internal Medicine in NY

Hospital Affiliations

New York-Presbyterian Hospital

Nyu Langone Hospitals

Languages Spoken

English

Gender

Male

Insurance

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

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Accepted insurance plans:

Aetna

Humana

HMO
INDEMNITY
POS
PPO

Medicaid

OTHER MEDICAID
STATE MEDICAID

UnitedHealthcare

Locations

WEILL MEDICAL COLLEGE OF CORNELL
520 E 70th St, Suite 651, New York, NY 10021

Call: 212-746-6575

Other Locations

NEW YORK UNIVERSITY
111 Broadway, New York, NY 10006

Call: 212-263-9700

NEW YORK UNIVERSITY
240 E 38th St, New York, NY 10016

Call: 212-263-7300

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

A Phase III, Randomized Study of Nivolumab (Opdivo) Plus AVD or Brentuximab Vedotin (Adcetris) Plus AVD in Patients (Age >/= 12 Years) With Newly Diagnosed Advanced Stage Classical Hodgkin Lymphoma

Enrollment Status: Active_not_recruiting

Publish Date: October 15, 2025

Intervention Type: Drug, Biological, Procedure, Other, Radiation

Study Drugs: Brentuximab, Dacarbazine, Doxorubicin, Filgrastim, Nivolumab, Pegfilgrastim, Vinblastine

Study Phase: Phase 3

ILyAD (Indolent Lymphoma And Vitamin D) A Phase III Double Blind, Randomized Trial to Evaluate the Effect of Vitamin D on Progression-free Survival in Patients With Low Tumor-burden Indolent Non-Hodgkin Lymphoma Treated With Rituximab

Enrollment Status: Completed

Publish Date: September 04, 2024

Intervention Type: Other, Dietary supplement, Biological

Study Drugs: Cholecalciferol, Rituximab

Study Phase: Phase 3

A Phase 1 Study of AG-636 in the Treatment of Subjects With Advanced Lymphoma

Enrollment Status: Terminated

Publish Date: August 25, 2020

Intervention Type: Drug

Study Phase: Phase 1

View 2 Less Clinical Trials

214 Total Publications

Ibrutinib added to standard conditioning and as maintenance therapy following autologous hematopoietic stem cell transplantation for relapsed or refractory activated-B-cell type Diffuse Large B-cell lymphoma: primary analysis of the US intergroup double-blind randomized phase III study Alliance A051301/BMT-CTN 1201.

Journal: Leukemia & lymphoma

Published: July 09, 2025

View All 214 Publications

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