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

John M Duffy, PT

Individual provider Physical Therapist · NPI 1679557235

John M Duffy, PT is a Physical Therapist in Private Practice in Pittsburgh, Pennsylvania. Qualified in 1991, 35 years ago. Practices with South Hills Orthopaedic Surgery Associates, PC, a 22-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
35
Licensed in
PA
In the registry since
2005
What do these letters mean?
PT — Physical Therapist
A licensed therapist who treats movement, pain and injury.

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Practice location Address checks out

100 Siena Dr Ste 165
Pittsburgh, PA 15241-1361
Phone: (412) 283-0260
Fax: (412) 283-0070
Show map & directions

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

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence PT007441 (PA)

Record details

NPI number1679557235
Entity typeIndividual (Type 1)
GenderMale
Credentials PT
Sole proprietorNo
NPI enumeratedDecember 6, 2005
Last updated in NPPESJune 27, 2019
Mailing address2000 Oxford Dr Ste 211, Bethel Park, PA 15102-1898

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice South Hills Orthopaedic Surgery Associates, Pc — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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