Quick answers
- Which hospitals does John L. Barrett work at?
- Medicare's official clinician data lists John L. Barrett at 5 hospitals: Allegheny General Hospital, Canonsburg General Hospital, Jefferson Hospital, Magee Womens Hospital of UPMC Health System and St Clair Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John L. Barrett see patients?
- Medicare's clinician data lists 2 practice locations, including Mc Murray, PA and Pittsburgh, PA. Call before your visit to confirm the address.
- What is John L. Barrett's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John L. Barrett accept Medicare assignment?
- Yes. Medicare's clinician data says John L. Barrett accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John L. Barrett?
- (412) 831-8089, as listed in official Medicare / NPI Registry data.
- What is John L. Barrett's NPI number?
- 1528075694. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John L. Barrett works
Medicare's Facility Affiliation Data lists John L. Barrett at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Allegheny General HospitalPittsburgh, PA · Acute Care Hospital · CCN 390050
- Canonsburg General HospitalCanonsburg, PA · Acute Care Hospital · CCN 390160
- Jefferson HospitalJefferson Hills, PA · Acute Care Hospital · CCN 390265
- Magee Womens Hospital of UPMC Health SystemPittsburgh, PA · Acute Care Hospital · CCN 390114
- St Clair HospitalPittsburgh, PA · Acute Care Hospital · CCN 390228
Practice locations
Addresses where John L. Barrett is enrolled with Medicare (CMS data updated 2026-10-02).
- 114 Gallery DrMc Murray, PA 15317 (412) 831‑8089
- 1307 Federal St, Suite 304Pittsburgh, PA 15212 (412) 359‑3682
Group practices
Medicare enrollment lists John L. Barrett as a member of these groups (CMS data updated 2026-10-02).
- Allegheny Clinic2,389 clinicians in the group
- Family Practice Medical Associate South Inc21 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Mc Murray
Clinicians with the same Medicare primary specialty in Mc Murray, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528075694 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians