Seth Zwillenberg, MD

Primary specialty

Otolaryngology PhysicianTaxonomy code 207Y00000X

License

MD027425 Issued in PA

Practice address

1920 Chestnut St
2ND Floor
Philadelphia, PA 19103-4634

Phone

(215) 561-2546

Fax

(215) 568-8177

NPI assigned

Jan 29, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in PA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

OtolaryngologyAlso: Allergy/Immunology, Plastic and Reconstructive Surgery

Education

Other, 1981

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

STC Pediatrics LLCGroup PAC ID 7315372323, 73 clinicians

University Otolaryngology Associates PCGroup PAC ID 0941299895, 9 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Jefferson Einstein Philadelphia Hospital Hospital, Philadelphia, PA, CCN 390142

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: zwillens@uoaehn.direct.mctdoc.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• STC Pediatrics LLC

  • Pediatric Emergency Medicine (Pediatrics) Physician
  • Philadelphia, PA
  • NPI 1144864547
  Medicare reassignment Care Compare group NPD
• University Otolaryngology Associates PC

  • Otolaryngology Physician
  • Philadelphia, PA
  • NPI 1457315715
  Medicare reassignment Care Compare group NPD
• Fornance Physician Services, Inc

  • Obstetrics & Gynecology Physician
  • Norristown, PA
  • NPI 1053363523
  Medicare reassignment NPD
• Albert Einstein Medical Center

  • General Acute Care Hospital
  • Phila, PA
  • NPI 1902805245
  NPD
• Fornance Physician Services, Inc.

  • Neurological Surgery Physician
  • Plymouth Meeting, PA
  • NPI 1699459388
  NPD
• Fornance Physician Services, Inc.

  • Family Medicine Physician
  • King of Prussia, PA
  • NPI 1831146919
  NPD
• STC Pediatrics LLC

  • Ophthalmology Physician
  • Newtown, PA
  • NPI 1548141997
  NPD
• STC Pediatrics LLC

  • Pediatrics Physician
  • Philadelphia, PA
  • NPI 1740824259
  NPD
• STC Pediatrics LLC

  • Pediatric Allergy/Immunology Physician
  • Philadelphia, PA
  • NPI 1003450420
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Einstein Hospital

  • General Acute Care Hospital
  • Philadelphia, PA
  • NPI 1366653818
  Care Compare affiliation Name & address match

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1138492800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1952372906",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1920 CHESTNUT ST",
            "address_2": "2ND FLOOR",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191034634",
            "telephone_number": "215-561-2546",
            "fax_number": "215-568-8177"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1920 CHESTNUT ST",
            "address_2": "2ND FLOOR",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191034634",
            "telephone_number": "215-561-2546",
            "fax_number": "215-568-8177"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZWILLENBERG",
        "first_name": "SETH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-29",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "PA",
            "license": "MD027425",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001092651002",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lucy M Zwick, M.D.
• Samantha Jayne Zwiebel, MD
• Alexander S Zwil, MD
• David Alan Zwillenberg, MD
• Jeremy Zwillenberg, DO
• Amy Zwislewski, MA, FAAA
• Michael Zwizanski
• Dominika Zylik
• Sophia Zylstra, MD
• Julia Zyrina, O.D.

• Otolaryngology Physician in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Otolaryngology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.