Quick answers
- Which hospitals does William S. Hirsch work at?
- Medicare's official clinician data lists William S. Hirsch at 5 hospitals: Hospital of University of Pennsylvania, Jefferson Abington Hospital, Jefferson Health- Northeast, St Mary Medical Center and Thomas Jefferson University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William S. Hirsch see patients?
- Medicare's clinician data lists 8 practice locations, including Phila, PA, Langhorne, PA and Philadelphia, PA. Call before your visit to confirm the address.
- What is William S. Hirsch's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does William S. Hirsch accept Medicare assignment?
- Yes. Medicare's clinician data says William S. Hirsch 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.
- Does William S. Hirsch offer telehealth?
- Medicare's clinician data says William S. Hirsch offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William S. Hirsch?
- (215) 750-6566, as listed in official Medicare / NPI Registry data.
- What is William S. Hirsch's NPI number?
- 1679555320. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William S. Hirsch works
Medicare's Facility Affiliation Data lists William S. Hirsch at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · CCN 390111
- Jefferson Abington HospitalAbington, PA · Acute Care Hospital · CCN 390231
- Jefferson Health- NortheastPhiladelphia, PA · Acute Care Hospital · CCN 390115
- St Mary Medical CenterLanghorne, PA · Acute Care Hospital · CCN 390258
- Thomas Jefferson University HospitalPhiladelphia, PA · Acute Care Hospital · CCN 390174
Practice locations
Addresses where William S. Hirsch is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 10800 Knights RdPhila, PA 19114
- 240 Middletown BlvdLanghorne, PA 19047
- 370 Middletown BlvdLanghorne, PA 19047 (215) 750‑6566
- 380 N Oxford Valley RdLanghorne, PA 19047
- 380 N Oxford Valley Rd, Suite 100Langhorne, PA 19047 (215) 612‑5050
Group practices
Medicare enrollment lists William S. Hirsch as a member of this group (CMS data updated 2026-10-02).
- Aria Health Physician Services450 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Pennsylvania →
Other cardiologists in Phila
Clinicians with the same Medicare primary specialty in Phila, PA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1679555320 |
| 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