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Internist, Hematologist, Family Practitioner
21 years of experience
Video profile
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. James Leonardo, Internist, Hematologist, Family Practitioner is Good. Dr. Leonardo has been reviewed by 9 patients who have provided 4 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.4
Promptness 3.9
Courteous Staff 4.4
Accurate Diagnosis 3.8
Bedside Manner 4.4
Spends Time with Me 4.0
Follows Up After Visit 4.2

Specialties & Research

Dr. James Leonardo, MD, PHD is board certified in Internal Medicine, Hematology, and Medical Oncology.

  • He has special expertise in 5 areas:
  • Breast Cancer
  • Gastrointestinal Cancer
  • Head and Neck Cancer
  • Lung Cancer
  • Pain

Education & Awards

Dr. Leonardo graduated from Temple University Physicians, Philadelphia. He has 1 awards.

Compassionate Doctor Recognition (2011 - 2012)


Dr. Leonardo has 12 hospital affiliations:

  • Little Falls Hospital 
  • Bassett Healthcare O'Connor 


  • Spanish
  • French
  • Mandarin
  • Ukrainian
  • Chinese
  • Russian
  • Cantonese

> > > > Dr. James Leonardo, MD, PHD

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Additional Information
Dr. James Michael Leonardo MD and PHD is a male Internist, has 21 years of experience and practices in Internal Medicine, Hematology, Medical Oncology, and Hematology.
Where does Dr. James M. Leonardo practice?
Dr. James Leonardo has 2 office locations.
Dr. James Leonardo practices Internal Medicine, Hematology, Medical Oncology, and Hematology near Cooperstown, NY.
Additional practice locations include: Oneonta, NY.
See Cooperstown Internists, Cooperstown Hematologists, and Cooperstown Oncologists.