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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).

Learn more about Dr. Ronald Mathiasen:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. Ronald Mathiasen is Average. Dr. Mathiasen has been reviewed by 9 patients who have provided 5 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 2.3
Promptness 3.1
Courteous Staff 3.1
Accurate Diagnosis 2.8
Bedside Manner 2.6
Spends Time with Me 2.6
Follows Up After Visit 2.9

Specialties & Research

Dr. Ronald Mathiasen, MD is board certified in Otolaryngology.

  • He has special expertise in 1 area:
  • Disorders of ear

Education & Awards

Dr. Mathiasen graduated from University of California at San Diego, La Jolla.


Dr. Mathiasen has 6 hospital affiliations:

  • Sharp Memorial Hospital 
  • Sharp Mary Birch Hospital for Women 


  • Spanish

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Additional Information
Dr. Ronald Mathiasen MD is a male Otolaryngologist, has 16 years of experience and practices in Otolaryngology.
Where does Dr. Ronald Mathiasen practice?
Dr. Ronald Mathiasen has 1 office location.
Dr. Ronald Mathiasen practices Otolaryngology near San Diego, CA.
See San Diego Otolaryngologists.