Quick answers
- Which hospitals does Seth Zwillenberg work at?
- Medicare's official clinician data lists Seth Zwillenberg at 1 hospital: Jefferson Einstein Philadelphia Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Seth Zwillenberg see patients?
- Medicare's clinician data lists 3 practice locations, including Philadelphia, PA. Call before your visit to confirm the address.
- What is Seth Zwillenberg's specialty?
- Medicare lists Otolaryngology as the primary specialty, and also Allergy/Immunology and Plastic and Reconstructive Surgery.
- Does Seth Zwillenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Seth Zwillenberg 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 Seth Zwillenberg?
- (215) 762-4600, as listed in official Medicare / NPI Registry data.
- What is Seth Zwillenberg's NPI number?
- 1952372906. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Seth Zwillenberg works
Medicare's Facility Affiliation Data lists Seth Zwillenberg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Jefferson Einstein Philadelphia HospitalPhiladelphia, PA · Acute Care Hospital · CCN 390142
Practice locations
Addresses where Seth Zwillenberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 160 E Erie AvePhiladelphia, PA 19134
- 205 N Broad St, Suite 401Philadelphia, PA 19107 (215) 762‑4600
- 300 E Hunting Park Ave, St Christophers Ped Assoc Child ProtectionPhiladelphia, PA 19124 (215) 427‑8363
Group practices
Medicare enrollment lists Seth Zwillenberg as a member of these groups (CMS data updated 2026-10-02).
- STC Pediatrics LLC69 clinicians in the group
- University Otolaryngology Associates PC9 clinicians in the group
Specialties
Other ENT doctors in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952372906 |
| 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