License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. William Cohen is Good. Dr. Cohen has been reviewed by 10 patients who have provided 2 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.5
Promptness 2.9
Courteous Staff 3.5
Accurate Diagnosis 3.3
Bedside Manner 3.3
Spends Time with Me 3.3
Follows Up After Visit 2.7

Specialties & Research

  • He has special expertise in 3 areas:
  • Eyelid surgery (Blepharoplasty)
  • Otology

Education & Awards

Dr. Cohen graduated from Midwestern University, Downers Grove.


Dr. Cohen has 12 hospital affiliations:

  • Anaheim Memorial Medical Center 
  • Anaheim General Hospital 

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Additional Information
Dr. William Clay Cohen DO is a male Otolaryngologist, has 19 years of experience and practices in Otolaryngology and Otolaryngology/Facial Plastic Surgery.
Where does Dr. William C. Cohen practice?
Dr. William Cohen has 2 office locations.
Dr. William Cohen practices Otolaryngology and Otolaryngology/Facial Plastic Surgery near Placentia, CA.
Additional practice locations include: Orange, CA.
See Placentia Otolaryngologists and Placentia Surgeons.