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Dr. Ronald Mathiasen, MD

Dr. Ronald Mathiasen, MD

Age 54 Ear, Nose, and Throat M
(4) 4 reviews

Telehealth available


Dr. Ronald Mathiasen, MD is an Otolaryngology (Ear, Nose & Throat) Specialist in San Diego, CA. Dr. Mathiasen studied at UNIVERSITY OF CALIFORNIA AT BERKELEY. They currently practice at Sharp Rees Stealy Spclty Clin and are affiliated with Sharp Memorial Hospital. Dr. Mathiasen is board certified in Otolaryngology and accepts accepts multiple insurance plans.



Insurance Accepted

  • Aetna
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • Cigna
  • First Health
  • Health Net
  • Humana
  • Oscar Health
  • Sharp Health Plan
  • UnitedHealthCare

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Compare with other Otolaryngology (Ear, Nose & Throat) Specialists

Compare Dr. Mathiasen with our nearby Otolaryngology (Ear, Nose & Throat) Specialists at Palomar Health
These providers are on the medical staff of Palomar Health
These providers are on the medical staff of Palomar Health.

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Jan 11, 2018
Id had an incredibly badly deviated septum my entire life, and went in for surgery. Dr Mathiasen knows his stuff. He's been doing them a long time, and while he made me feel very routine (which it was for him) he does do exemplary work. I'm astonished at the low overall level of discomfort given the circumstances, and immediately felt positive differences in my breathing and sense of taste. I would highly recommend.
Angela in San Diego, CA — Jan 11, 2018
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Ronald Mathiasen, MD. To arrange an appointment, call the number on Dr. Mathiasen's profile.

Dr. Mathiasen frequently treats the following conditions: Rhinoseptoplasty, Nasal Septum Surgery (Septoplasty) and Ethmoidectomy (Sinus Surgery). See more on Sharecare.

Dr. Ronald Mathiasen, MD is affiliated with Sharp Memorial Hospital.

Yes, Dr. Ronald Mathiasen, MD holds board certification in Otolaryngology.

Hospital Affiliations

  • Sharp Memorial Hospital


  1. Sharp Rees Stealy Spclty Clin

    1. 1
      Sharp Rees-stealy Clinical Laboratory - Scripps Ranch
      10670 Wexford St, San Diego, CA 92131 (858) 621-4090
  1. Balboa Nephrology

    1. 2
      Sharp Memorial Hospital
      7901 Frost St, San Diego, CA 92123 (858) 939-3400
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(858) 621-4090