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

John Leddy, MD

Individual provider Sports Medicine (Internal Medicine) Physician · NPI 1043286651

John Leddy, MD is an Internal Medicine in Buffalo, New York. Graduated from State University of New York at Buffalo School of Medicine in 1985, 41 years ago. Practices with University Orthopaedic Services Inc, a 114-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
41
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

160 Farber Hall 3435 Mins St
Buffalo, NY 14214-8001
Phone: (716) 829-3670
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sports Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0010X · Licence 174724 (NY)

Record details

NPI number1043286651
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 23, 2006
Last updated in NPPESJuly 13, 2026
Mailing address160 Farber Hall, 3435 Mins Street, Buffalo, NY 14214-8001

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice University Orthopaedic Services Inc. — 114 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare