National Provider Identifier
John Leddy, MD
John Leddy, MD is listed in the NPPES registry with a primary specialty of Sports Medicine (Internal Medicine) Physician in Buffalo, NY and a listed phone number of (716) 829-3670.
Source: public NPPES record, last updated July 13, 2026. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1043286651
- Provider Type
- Individual
- Primary Specialty
- Sports Medicine (Internal Medicine) Physician
- Enumeration Date
- February 23, 2006
- Last Updated
- July 13, 2026
Practice Location
- 160 Farber Hall
- 3435 Mins Street
- Buffalo, NY 14214-8001
Phone: (716) 829-3670
Specialties
- Sports Medicine (Internal Medicine) Physician (207RS0010X)
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Biography
John J. Leddy, MD, is a Buffalo sports medicine and concussion specialist who serves as medical director of the University at Buffalo Concussion Management Clinic and as a clinical professor at UB. According to his UBMD profile, he earned his medical degree at the University at Buffalo, completed residency training at New England Deaconess Hospital/Harvard, and now directs UB’s Primary Care Sports Medicine fellowship. Leddy is especially known for concussion research: he and UB colleague Barry Willer helped develop the Buffalo Concussion Treadmill Test, and his work on prescribed aerobic exercise after concussion has helped inform updated international concussion guidance.
Full Record
- NPI
- 1043286651
- Entity Type
- Individual
- Last Name
- Leddy
- First Name
- John
- Credential
- MD
- Mailing Street Address
- 160 Farber Hall
- Mailing Address Line 2
- 3435 Mins Street
- Mailing City
- Buffalo
- Mailing State
- NY
- Mailing ZIP Code
- 14214-8001
- Mailing Country
- US
- Mailing Phone
- (716) 829-3670
- Practice Street Address
- 160 Farber Hall
- Practice Address Line 2
- 3435 Mins Street
- Practice City
- Buffalo
- Practice State
- NY
- Practice ZIP Code
- 14214-8001
- Practice Country
- US
- Practice Phone
- (716) 829-3670
- Enumeration Date
- February 23, 2006
- Last Updated
- July 13, 2026
- Sex
- Male
- Sole Proprietor
- No
- Taxonomies
- Sports Medicine (Internal Medicine) Physician (207RS0010X)
- Other Identifiers
- 01132250 (NY)