Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John A Leone, DO

Individual provider Internal Medicine Physician · NPI 1871558825

Dr. John A Leone, DO is an Internal Medicine in Williamsville, New York. Graduated from New York College of Osteo Medicine of New York Institute of Technology in 1987, 39 years ago. Practices with Family Care Physician, PC, a 12-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
39
Trained at
New York College of Osteo Medicine of New York Institute of Technology
Licensed in
NY
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

61 Maple Rd
Williamsville, NY 14221-2918
Phone: (716) 565-1234
Fax: (716) 565-1246
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 177161 (NY)

Record details

NPI number1871558825
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 20, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY
Graduated 1987 (39 years in practice)
Group practice Family Care Physician, P.C. — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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