Seth Zwillenberg, MD
NPI 1952372906ActiveIndividual· Otolaryngology· Philadelphia, PA
Otolaryngology (MD) with Stc Pediatrics LLC and 1 other group, practicing in Philadelphia, Pennsylvania. 131 Medicare patients in 2024, $33,712 paid; nearly all of their 804 Part D prescriptions were generic (98%). Genzyme Corporation was the largest of 5 companies reporting payments in 2025, $972.73 in all, mostly food and beverage. Lists Jefferson Einstein Philadelphia Hospital as a hospital affiliation.
Overview
| NPI | 1952372906 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 29, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | MD027425 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Otolaryngology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 131 |
|---|---|
| Services billed | 311 across 34 procedure codes |
| Paid by Medicare | $33,712 |
Part D prescriptions in 2024
| Prescriptions (claims) | 804 · 1,112 30-day fills |
|---|---|
| Patients | 191 |
| Total drug cost | $15,327 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Otolaryngology |
| Secondary specialties | Allergy/Immunology, Plastic And Reconstructive Surgery |
Medical groups
- Stc Pediatrics LLCPhiladelphia, PA · 69 clinicians
- University Otolaryngology Associates PCPhiladelphia, PA · 9 clinicians
Hospital affiliation
- Jefferson Einstein Philadelphia HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$972.73 · 21 payments from 5 companies
- 2024$739.21 · 20 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $393.90 | 9 |
| Regeneron Healthcare Solutions, Inc. | $246.06 | 7 |
| Stryker Corporation | $145.23 | 1 |
| Integra Lifesciences Corporation | $131.09 | 2 |
| Optinose US, Inc. | $56.45 | 2 |
What the 2025 payments were for
- Food and Beverage$883.59 · 20 payments
- Education$89.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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