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Otolaryngology

William C. Cohen, DO

Sees patients in Orange, CA · California

Summary

William C. Cohen, DO (Otolaryngology) is enrolled with Medicare at 1 practice location in Orange, CA. NPI 1073545968. 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 William C. Cohen, 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
34Years since medical school (graduated 1992)
MaleGender (as listed)

Quick answers

Where does William C. Cohen see patients?
Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
What is William C. Cohen's specialty?
Medicare lists Otolaryngology as the primary specialty, and also Plastic and Reconstructive Surgery.
Does William C. Cohen accept Medicare assignment?
Yes. Medicare's clinician data says William C. Cohen 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 William C. Cohen?
(714) 628-1313, as listed in official Medicare / NPI Registry data.
What is William C. Cohen's NPI number?
1073545968. 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 William C. Cohen is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Otolaryngology doctors in California →

Other ENT doctors in Orange

Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.

All ENT doctors in Orange →

Clinician information

CredentialDO
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073545968
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