Dr. John Leonard, MD

Dr. John Leonard, MD

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Medical Oncology  ·  
Male  ·  
53 y/o
(8)

Accepting new patients

Dr. John Leonard, MD is a medical oncology specialist in New York, NY and has been practicing for 24 years. He specializes in medical oncology and hematology.Read his story

Weill Cornell Medical Center

520 E 70th St # Starrpavilion

New York, NY 10021
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Insurance Accepted

  • Aetna
  • Affinity Health Plan
  • Amida Care
  • Cigna
  • CoreSource
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • Fidelis Care
  • HealthFirst
  • Medicaid
  • Medicare
  • Oxford Health Plans
  • POMCO Group
  • UnitedHealthCare

Background Check

No malpractice claims found for New York
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
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Experience Check

Check Dr. Leonard's experience treating your condition or procedure

Dr. Leonard's Top Procedures and Conditions

Treatment Frequency
Non-Hodgkin's Lymphoma
very high
very high

Treatment Frequency

Dr. Leonard treats Non-Hodgkin's Lymphoma more than 100% of his peers

Dr. Leonard treats this condition more than 100% of his peers

Rating Includes other areas of care:

  • Non-Hodgkin's Lymphoma, During Pregnancy
  • Non-Hodgkin's Lymphoma, Gastric
All Lymphoma
very high
very high

Treatment Frequency

Dr. Leonard treats All Lymphoma more than 100% of his peers

Dr. Leonard treats this condition more than 100% of his peers

Primary Central Nervous System Lymphoma
normal
normal

Treatment Frequency

Dr. Leonard treats Primary Central Nervous System Lymphoma more than 79% of his peers

Dr. Leonard treats this condition more than 79% of his peers

Dr. Leonard's conditions and procedures:

  • Acute Leukemia
  • Acute Lymphocytic Leukemia
  • Acute Myeloid Leukemia
  • Advanced Chemotherapy
  • All Lymphoma
  • Anal Disorders
  • Biopsy
  • Blood Disorders
  • Blood Transfusion
  • Bone Marrow Biopsy
  • Burkitt's Lymphoma
  • Central Nervous System Lymphoma
  • Chronic Lymphocytic Leukemia
  • Chronic Myeloid Leukemia (CML)
  • Diagnostic Evaluation
  • Genetic Testing
  • Hematologic Disorder Treatment
  • Hematologic Problems
  • Hodgkin's Disease
  • Immunotherapy
  • Leukemia
  • Leukocytosis
  • Lymphocytosis
  • Lymphoma, Large Cell, Anaplastic
  • Lymphoma, Large-Cell
  • Lymphosarcoma
  • Marginal Zone Lymphoma
  • Medication Management
  • Multiple Myeloma
  • Myelodysplastic Syndromes
  • Non-Hodgkin's Lymphoma
  • Pain Management
  • Peripheral T-Cell Lymphoma
  • Plasmapheresis
  • Primary Central Nervous System Lymphoma
  • Radiation Oncology Procedures
  • Squamous Cell Carcinoma
  • Targeted Therapy for Hematologic Cancer

About Me

Everything that we do at our center, whether clinical care, research or education, is focused on helping patients.
Here are some of the many reasons why patients tell us they come here - whether from the New York area, the surrounding region, o...

Specialties

  • Medical Oncology
  • Hematology

Board Certifications

  • Hematology
  • Medical Oncology

Education

1995
Newyork-Presbyterian Hospital-Weill Cornell Medical Center
Fellowship Hospital
1993
Newyork-Presbyterian Hospital-Weill Cornell Medical Center
Residency Hospital
1991
Newyork-Presbyterian Hospital-Weill Cornell Medical Center
Internship Hospital
1990
University of Virginia / Main Campus
Medical School
1995
1993
1991
1990

Languages

  • Hungarian
  • English

Awards

Dr. Leonard's Reviews

Likelihood to recommend Dr. Leonard

5.0

Based on 8 reviews

5 Stars
100%
(8)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
0%
(0)

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Dr. Leonard?
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Average Wait Time
  • 10 – 15 minutes
Dr. Leonard's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness

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Locations

Insurance accepted

Accepted insurance can change. Please double-check when making an appointment.

Aetna
Aetna HMO
Aetna PPO
Medicare Non-HMO
Affinity Health Plan
Amida Care
Cigna
Cigna EPO
Cigna HMO
Cigna POS
CoreSource
EmblemHealth
GHI
Health Insurance Plan of Greater New York (HIP)
Empire Blue Cross Blue Shield
Fidelis Care
HealthFirst
Medicaid
Medicare
Oxford Health Plans
POMCO Group
UnitedHealthCare
Community Plan
Compass
Empire Plan
Medicare
United Healthcare EPO
United Healthcare HMO
United Healthcare POS
United Healthcare PPO
VNS Choice
WellCare

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Leonard treats patients.

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