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Dr. Ronald Mathiasen

Dr. Ronald Mathiasen

Dr. Ronald Mathiasen

Welcoming new patients

"I strive to provide friendly, compassionate care to my patients in a way I would want to be treated."

  • Otolaryngology (ENT) (Board Certified)
Advanced degrees
  • Medical Doctor (MD)


Sharp Rees-Stealy Medical Group


10670 Wexford St.
San Diego, CA 92131

Get Driving Directions

Sharp Rees-Stealy Medical Group


10670 Wexford St.
San Diego, CA 92131

Get Driving Directions



I am a board-certified otolaryngologist - which is a head and neck surgeon. A Phi Beta Kappa graduate from UCLA with highest honors, I graduated with distinction from the UCSD School of Medicine in 1996. I had my "calling" at age five when my newborn sister was born with a congenital condition. I was so impressed with the care she received from her physicians, that I made a vow to become a doctor so I could help other people in the way the doctors helped my sister.

I have authored several publications and have given many presentations in the field of otolaryngology. I have a special interest and expertise in thyroid and parathyroid surgery, endoscopic sinus surgery and nasal surgery, otologic microsurgery and facial plastic and reconstructive surgery.

In my spare time, I race cars, travel extensively, attend musicals, concerts and cultural events and try to enjoy San Diego for all it has to offer.

Biographical Details

Age: 46
In practice since: 2006
Gender: Male
Additional Language Spoken

Additional Language Spoken

  • Spanish
Hospital and Medical Group Affiliations

Medical Group

Hospital Affiliation



  • Medical School: University of California, San Diego
  • Internship: Cedars-Sinai Medical Center
  • Residency: Kaiser Permanente Oakland Medical Center
Treatments and Conditions

Treatments and Conditions

  • Acoustic Neuroma
  • BAHA Hearing Device
  • Balloon Sinuplasty™ Surgery
  • Cosmetic Procedures/Surgeries
  • Ear Surgery
  • Facial Skin Cancer Surgery
  • Functional Endoscopic Sinus Surgery
  • Head and Neck Cancer Surgery
  • Laser Surgery
  • Reconstructive Surgery
  • Salivary Gland Surgery
  • Sinus Evaluation/Treatment
  • Skull Base Surgery
  • Sleep Apnea
  • Sleep Disorders
  • Snoring
  • Swallowing Difficulties/Disorders
  • Temporomandibular Joint (TMJ) Disorder
  • Thyroid and Parathyroid Surgery
  • Thyroid Cancer
  • Vertigo
  • Voice Evaluation/Treatment
Practice Features

Practice Features

  • Hearing Testing In Office
  • Second Opinions
Insurances Accepted

Insurances Accepted

Sharp accepts most health insurance. If your plan is not listed below, please call your insurance provider to verify coverage.

  • Aetna PPOs, Elect Choice EPO, Health Fund PPO, Health Fund HMO, HMO, Managed Choice POS, National Advantage PPO, Open Choice PPO, QPOS POS, Select Choice HMO, Traditional Choice PPO, US Access POS, Value Network HMO
  • Anthem Blue Cross PPOs, Bronze EPO, California HMO, EPO, Gold EPO, Gold HMO, Platinum EPO, Platinum HMO, Plus POS, Power Select HMO, Prudent Buyer PPO, Silver EPO, Silver HMO
  • Access Plus HMO, HMO, POS, PPOs (contact Blue Shield)
  • Cash/Self pay
  • For Life
  • PPO
  • Flexcare POS, HMO, Open Access POS, PPOs
  • Commercial/Indemnity Insurance
  • PPO
  • Anthem Blue Cross Bronze EPO, Anthem Blue Cross Gold EPO, Anthem Blue Cross Gold HMO, Anthem Blue Cross Platinum EPO, Anthem Blue Cross Platinum HMO, Anthem Blue Cross Silver EPO, Anthem Blue Cross Silver HMO, Sharp Health Plan Bronze HMO, Sharp Health Plan Gold HMO, Sharp Health Plan Platinum HMO, Sharp Health Plan Silver HMO
  • Elect POS, ExcelCare HMO, HMO, PPOs, Select POS, Seniority Plus Retirees HMO, SmartCare HMO
  • Healthsmart
  • Assignment, UHC-AARP MedicareCompleteValue, UHC-AARP MediComplete Premier, UHC-AARP MediCompleteEssential, UHC-Secure Horizons Retiree, UHC-Sharp Secure Horizons
  • PPO
  • PPO
  • Bronze HMO, Choice HMO, Gold HMO, Performance HMO, Performance Plus, Platinum HMO, Premier HMO, Silver HMO, Value HMO
  • Choice EPO, Choice HMO, Choice Plus POS, Options PPO, PPOs, Signature Value HMO
  • Performance HMO-Network 1 HMO

All affiliated physicians referred by Sharp HealthCare are in good standing with a Sharp hospital or medical group and pay no fees to be included in this service. Physicians are not employees or agents of Sharp HealthCare. Selection is based on your particular needs. Learn more about how doctors are included in this service and the information displayed here.

I want Dr. Mathiasen to be my primary care doctor

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I want to schedule an appointment with Dr. Mathiasen

Call to Make an Appointment

Sharp Rees-Stealy Medical Group
Phone: 858-621-4090
10670 Wexford St.
San Diego, CA 92131
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