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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 (0)

The overall average patient rating of Dr. John Gerwin is Excellent. Dr. Gerwin has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. John Gerwin, FACS, MD is board certified in Otolaryngology.

  • He has special expertise in 6 areas:
  • Allergy
  • Ear Surgery (Otologic Surgical Procedures)
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Laryngectomy (Larynx removal)
  • Sino-Nasal Disorders
  • Sinus Infection (Sinusitis)

Education & Awards

Dr. Gerwin graduated from University of Iowa, Iowa City.


Dr. Gerwin has 5 hospital affiliations:

  • Trinity Medical Center 
  • Walker Baptist Medical Center 


  • German
  • Russian
  • Spanish
  • Yiddish

> > > > Dr. John Gerwin, FACS, MD

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Additional Information
Dr. John M Gerwin FACS and MD is a male Otolaryngologist, has 41 years of experience and practices in Otolaryngology.
Where does Dr. John M. Gerwin practice?
Dr. John Gerwin has 3 office locations.
Dr. John Gerwin practices Otolaryngology near Birmingham, AL.
Additional practice locations include: Alabaster, AL.
See Birmingham Otolaryngologists.