Dr. John P Leonard, MD



Hematology     -  New York,  New York

 Overview

Dr. John P Leonard, MD works in New York, New York is a specialist in Hematology, Internal Medicine, Oncology and graduated New York Hospital Cornell Med Center in 1993. Dr. Leonard is affiliated with New York - Presbyterian/Weill Cornell, New York Presbyterian - Columbia and practicing for 33 years

 Specialties

  • Hematology
  • Internal Medicine
  • Oncology

 Conditions

• Actinic Cheilitis
• Allergic Reactions to Insect Stings
• Aphasia
• Arterial Dissections With Lentiginosis
• Arterial Revascularization
• Bilateral Cataracts
• Chronic Pain Management
• Congenital Mitral Stenosis
• Correction of Protruding Ears
• Demyelinating Disorders
  ...
• Diseases Contagious from Safe Sex
• Facet Joint Nerve Ablation
• Gastrointestinal Surgery, Laproscopic
• Herbal Agent Adverse Reaction - Echinacea
• Hypertensive Encephalopathy
• Hypnosis (Medical Hypnotherapy)
• Hyposmolality and Hyponatremia
• Implanon® Placement
• Intrauterine Device Management
• Joint Implant
• Knee Pain
• Laterality Defects
• Lumbar Decompression Therapy
• Memory Disorders
• Mental Retardation, X-Linked Recessive - Macrocephaly - Ciliary Dysfunction
• Microscopic Ulcerative Colitis
• Muscle Hypotonia
• Muscular Dystrophy, Congenital, Type 1C
• Ocular Myasthenia Gravis
• Optic Ataxia
• Plasmapheresis
• Post-Dysenteric Arthropathy
• Primary Progressive Multiple Sclerosis
• Pulmonary Sarcoidosis
• Salivary Gland Stones
• Severe Chronic Pain
• Sexual Disorders
• Skin Allergy
• Skin Lesion
• Sleep-Related Rhythmic Movement Disorder
• The provision of follow-up treatment for patients who have undergone kidney transplants
• The provision of nutritional information for patients with kidney disease
• Wound Infection
 more details

 Procedures

• Acute Leukemia
• Anemia
• Antiphospholipid Syndrome (APS)
• Bladder Cancer
• Bone Marrow Biopsy
• Breast Cancer
• Burkitt's Lymphoma
• Carcinoma in Situ
• Cardiac MRI (Magnetic Resonance Imaging) of Heart or Chest
• Central Nervous System Lymphoma
  ...
• Cervical Cancer
• Chronic Myeloid Leukemia (CML)
• Deep Vein Thrombosis (DVT)
• Hodgkin's Disease
• Hypercoagulable State
• Immune Thrombocytopenic Purpura (ITP)
• Leukocytosis
• Liver Cancer
• Lung Cancer
• Lymphocytosis
• Lymphoma
• Lymphoma, Large Cell, Anaplastic
• Lymphoma, Large-Cell
• Lymphosarcoma
• Macroglobulinemia (incl. Waldenstrom's )
• Mantle Cell Lymphoma
• Marginal Zone Lymphoma
• Melanoma
• Meningiomas
• Mycosis Fungoides
• Myeloma
• Myeloproliferative Disorders
• Neutropenia
• Nodular Lymphoma
• Non-Hodgkin's Lymphoma
• Pancytopenia
• Peripheral T-Cell Lymphoma
• Plasmapheresis
• Prostate Cancer
• Secondary Malignancies
• Skin Cancer
• Stomach and Small Intestine Cancer
• Stomach Cancer
• Thrombocytosis
• Thyroid Cancer
• Venous Embolism and Thrombosis
 more details

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 33

 State License

  • New York

 Education & Training

Residency Hospital

New York Hospital Cornell Med Center

New York, NY, USA

Year completed: 1993

Internship Hospital

New York Hospital Cornell Med Center

New York, NY, USA

Year completed: 1991

Fellowship Hospital

Ny Hospital Cornell Med Center

Year completed: 1996

Medical School

University Of Virginia School Of Medicine

Charlottesville, VA, United States

Graduated: 1990

 Awards

Awards for Dr. John P Leonard, MD are not present.

 Dr. Leonard Reviews

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 Office Locations


Primary location

 New York Presbyterian Hospital ONC
525 East 68th Street
New York (NY)
New York
10065
 Phone:(212) 746-2927

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



New York Presbyterian Hospital ONC, 525 East 68th Street, New York, New York (NY), 10065




 Insurances Accepted (check insurance plans)

  • Aetna
  • Aetna HMO
  • Amerihealth
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Capital District Physician's Health Plan (CDPHP)
  • Capital District Physician's Health Plan (CDPHP) HMO
  • Choice Care PPO
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna HMO
  • Cigna PPO
  • Commercial Insurance Company
  • Emblem Health
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • Empire Blue Cross Blue Shield HMO
  • Freedom Plan
  • GHI PPO
  • Great West Healthcare-Cigna PPO
  • Health Insurance Plan of Greater New York (HIP) PPO
  • Health Net
  • HealthFirst
  • Humana
  • Kaiser Permanente
  • Locals (any local)
  • MagnaCare
  • MagnaCare PPO
  • Medicaid
  • Medicare
  • Medicare Advantage PFFS
  • Medicare MCR
  • MVP Health Care
  • Navigate HMO
  • Navigate POS
  • Neighborhood Health Providers
  • Open Access Plus
  • Options PPO
  • Oxford Health Plans
  • Oxford Liberty
  • Pathway Enhanced Guided Access
  • POMCO Group
  • Principal Life
  • Prism Blue Priority EPO
  • United Healthcare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. John P Leonard, MD are not present.

 Patients Questions

Patients questions for Dr. John P Leonard, MD are not present.

 Affiliated Hospitals


New York - Presbyterian/Weill Cornell photo


New York - Presbyterian/Weill Cornell

525 East 68th Street New York NY, New York, 10021

New York - Presbyterian/Weill Cornell is a hospital located in New York, NY. This hospital reports jointly with New York Presbyterian - Columbia. Therefore the ratings and awards apply to multiple hospitals and this specific hospital may not provide all rated services. Procedures/Diagnosis costs are...



New York Presbyterian - Columbia photo


New York Presbyterian - Columbia

630 West 168th Street New York NY, New York, 10032

New York Presbyterian - Columbia is a hospital located in New York, NY. This hospital reports jointly with New York Presbyterian/Allen. Therefore the ratings and awards apply to multiple hospitals and this specific hospital may not provide all rated services. Procedures/Diagnosis costs are at the st...



  •  Latest reviews for Hematology specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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