Doctor profile · Federal record

Dr. John Duffy, PT

Physical Therapist (CMS: Physical Therapist in Private Practice) · Pittsburgh, PA

  • NPI 1679557235
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Siena Dr Ste 165
Pittsburgh, PA 152411361
(412) 283-0260
fax (412) 283-0070
Mailing address
2000 Oxford Dr Ste 211
Bethel Park, PA 151021898

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
June 27, 2019
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
225100000X — NUCC code
State license (1)
Pennsylvania #PT007441

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679557235. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,144
Distinct HCPCS
6
Medicare allowed
$74,026
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 1,023 92 $27
97140 Therapy procedure using manual technique, each 15 minutes 971 84 $19
G0283 Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care 947 78 $8
97150 Therapy procedure in a group setting 878 77 $12
97016 Application of blood vessel compression device 249 21 $8
97162 Evaluation for physical therapy, typically 30 minutes 76 72 $97

In context: peer comparison

Among 61 peers in Pittsburgh Physical Therapist, average services per provider: 321. This provider delivers 13× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Duffy's medical specialty?
Dr. John Duffy practices Physical Therapist in Pittsburgh, PA.
Where does Dr. John Duffy practice?
Dr. John Duffy practices at 100 Siena Dr Ste 165, Pittsburgh, PA 152411361. Office phone: 4122830260.
What is Dr. John Duffy's NPI?
Dr. John Duffy's National Provider Identifier (NPI) is 1679557235, issued by NPPES.
Does Dr. John Duffy accept Medicare assignment?
Yes. Dr. John Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Duffy commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Therapy procedure using manual technique (HCPCS 97140); Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care (HCPCS G0283). Source: CMS Medicare Physician & Other Practitioners file.