See All Hematologists in New York, NY
Dr. John Leonard, MD Icon-share Share Profile
Super Profile

Dr. John Leonard, MD

Hematology & Oncology
5 (83)
Accepting new patients
32 years of experience

Offers telehealth

icon-circle-check
Link Copied!
Profile link copied to clipboard!

Overview

Dr. John Leonard, MD is a Hematology & Oncology Specialist in New York, NY. They specialize in Hematology & Oncology, has 32 years of experience, and is board certified in Hematology. They graduated from University of Virginia / Main Campus and is affiliated with NewYork-Presbyterian/Columbia University Irving Medical Center and NewYork-Presbyterian/Weill Cornell Medical Center.

Dr. Leonard works at Lymphoma in New York, NY. They frequently treat conditions like Non-Hodgkin's Lymphoma, Lymphosarcoma and Hodgkin's Disease along with other conditions at varying frequencies. They are accepting new patients and accepts Aetna, Anthem and Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

Locations

  1. 1
    Lymphoma
    520 East 70th Street, New York, NY 10021 Icon Directions Right Arrow Directions

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Non-Hodgkin's Lymphoma
Lymphosarcoma
Hodgkin's Disease

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Non-Hodgkin's Lymphoma Chevron Icon
Lymphosarcoma Chevron Icon
Hodgkin's Disease Chevron Icon
Lymphoma, Large-Cell Chevron Icon
Marginal Zone Lymphoma Chevron Icon
Acute Leukemia Chevron Icon
Anemia and Iron Deficiency Screening Chevron Icon
Bone Marrow Evaluation Chevron Icon
Central Nervous System Lymphoma Chevron Icon
Chronic Lymphocytic Leukemia Chevron Icon
Erythropoietin Test Chevron Icon
Leukemia Diagnostic Evaluations Chevron Icon
Lymphoma Evaluation Chevron Icon
Primary Central Nervous System Lymphoma Chevron Icon
Vitamin B Deficiency Chevron Icon
Acute Lymphocytic Leukemia Chevron Icon
Acute Lymphoid Leukemia Chevron Icon
Acute Myeloid Leukemia Chevron Icon
Advanced Chemotherapy Chevron Icon
All Lymphoma Chevron Icon
Biopsy Chevron Icon
  • View other providers who treat Biopsy
Blood Disorders Chevron Icon
Blood Transfusion Chevron Icon
Bone Marrow Biopsy Chevron Icon
Burkitt's Lymphoma Chevron Icon
Chronic Myeloid Leukemia (CML) Chevron Icon
Diagnostic Evaluation Chevron Icon
Genetic Testing Chevron Icon
Hematologic Disorder Treatment Chevron Icon
Hematologic Problems Chevron Icon
Hemophilia Chevron Icon
Immunotherapy Chevron Icon
Leukemia Chevron Icon
  • View other providers who treat Leukemia
Leukocytosis Chevron Icon
Lymphocytosis Chevron Icon
Lymphoma, Large Cell, Anaplastic Chevron Icon
Mediastinal Tumors, Malignant Chevron Icon
Medication Management Chevron Icon
Multiple Myeloma Chevron Icon
Myeloma Chevron Icon
  • View other providers who treat Myeloma
Osteosarcoma Chevron Icon
Pain Management Chevron Icon
Pancreatic Cancer Chevron Icon
Peripheral T-Cell Lymphoma Chevron Icon
Plasmapheresis Chevron Icon
Pleural Cancer Chevron Icon
Radiation Oncology Procedures Chevron Icon
Sezary's Disease Chevron Icon
Squamous Cell Carcinoma Chevron Icon
Stomach and Small Intestine Cancer Chevron Icon
Stomach Cancer Chevron Icon
Targeted Therapy for Hematologic Cancer Chevron Icon
von Willebrand Disease Chevron Icon
Check your insurance
    Close Icon
    Please double-check when making an appointment.

    Insurance Accepted

    • Aetna
    • Affinity Health Plan
    • Amerihealth
    • Amida Care
    • Anthem
    • Blue Cross Blue Shield
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • CoreSource
    • EmblemHealth
    • Empire Blue Cross Blue Shield
    • Fidelis Care
    • Healthfirst
    • Medicaid
    • Medicare
    • Oxford Health Plans
    • POMCO Group
    • UnitedHealthCare
    • VNS Choice
    • WellCare

    * Please verify this information when scheduling an appointment.

    Patient Satisfaction

    5.0
    Average provider rating
    Based on 83 ratings
    Patient Ratings (83)
    5 Star
    (83)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (0)
    Leave a review

    How was your appointment with Dr. Leonard?

    Dec 02, 2022
    Amazing doctor, very knowledgeable and vet up to date on the latest cancer treatments.
    Harry Z Riesenberg — Dec 02, 2022
    Read more reviews on Healthgrades
    Photo: Dr. John Leonard, MD
    How would you rate your experience with Dr. John Leonard, MD?
    • Likelihood of recommending Dr. Leonard to family and friends

    Dr. Leonard's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Leonard

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Spends appropriate amount of time with patients

    Tell Us About Yourself

    • Your gender:
    • Your age group:
    • Number of office visits you've had in the last 2 years:

    Finish Here

    • How would you like to confirm your survey information?
      Standard text messaging and data rates may apply.
    Thank you for sharing your feedback about Dr. John Leonard, MD.

    About Dr. John Leonard, MD

    Specialties
    • Hematology & Oncology
    Specialties
    Years of Experience
    • 32 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English, Hungarian
    Languages Spoken
    Gender
    • Male
    Gender
    NPI Number
    • 1992892079
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • Newyork-Presbyterian Hospital-Weill Cornell Medical Center
    Fellowship
    Residency
    • Newyork-Presbyterian Hospital-Weill Cornell Medical Center
    Residency
    Internship
    • New York Hosp Cornell Med Ctr
    Internship
    Medical Education
    • University of Virginia / Main Campus
    Medical Education
    Board Certifications
    • Hematology and Medical Oncology
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Hospital Affiliations

    • NewYork-Presbyterian/Columbia University Irving Medical Center
    • NewYork-Presbyterian/Weill Cornell Medical Center

    Frequently Asked Questions

    Dr. John Leonard, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Leonard is offering online scheduling or call the provider’s office for more information.

    Dr. Leonard has an average wait time of 31 – 45 minutes at their office(s).

    Dr. Leonard has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Leonard has seen patients for Non-Hodgkin's Lymphoma, Lymphosarcoma and Hodgkin's Disease, and more. You can see other conditions treated by Dr. Leonard on their profile. Please call the provider’s office to confirm all visit reasons.

    83 patients have reviewed Dr. Leonard. The overall rating for this provider is 5.0. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Leonard.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Leonard, there are benefits to both methods. A person calling to schedule an with Dr. Leonard appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    Search

    Primary Care
    Close Icon