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Otolaryngology

David A. Zwillenberg, MD

Sees patients in Philadelphia, PA · Pennsylvania

Summary

David A. Zwillenberg, MD (Otolaryngology) is enrolled with Medicare at 2 practice locations in Philadelphia, PA. NPI 1356525216. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about David A. Zwillenberg, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OtolaryngologyPrimary specialty
YesAccepts Medicare assignment
50Years since medical school (graduated 1976)
University Of Toledo College Of MedicineMedical school
MaleGender (as listed)
STC Pediatrics LLCGroup practice

Quick answers

Where does David A. Zwillenberg see patients?
Medicare's clinician data lists 2 practice locations, including Philadelphia, PA. Call before your visit to confirm the address.
What is David A. Zwillenberg's specialty?
Medicare lists Otolaryngology as the primary specialty.
Does David A. Zwillenberg accept Medicare assignment?
Yes. Medicare's clinician data says David A. 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 David A. Zwillenberg?
(215) 427-8363, as listed in official Medicare / NPI Registry data.
What is David A. Zwillenberg's NPI number?
1356525216. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where David A. Zwillenberg is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists David A. Zwillenberg as a member of this group (CMS data updated 2026-10-02).

  • STC Pediatrics LLC69 clinicians in the group

Specialties

Find other Otolaryngology doctors in Pennsylvania →

Other ENT doctors in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

All ENT doctors in Philadelphia →

Clinician information

CredentialMD
Medical schoolUniversity Of Toledo College Of Medicine
Graduation year1976
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356525216
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians