Summary

Dr. Ronald Mathiasen is an otolaryngology-head and neck surgeon who has dedicated three decades to treating conditions of the ears, nose, throat, and neck. He earned his medical degree from the University of California San Diego School of Medicine and completed his residency training at Kaiser Permanente Medical Group. His extensive experience spans both general surgery and specialized ENT procedures. Dr. Mathiasen provides care in English for his patients.

Dr. Mathiasen practices at multiple Sharp Healthcare locations throughout San Diego and Coronado, with affiliations at Sharp Memorial Hospital, Sharp Coronado Hospital, and Sharp Mary Birch Hospital For Women And Newborns. He specializes in treating sinus conditions including chronic sinusitis and enlarged turbinates. His surgical expertise includes endoscopic sinus surgery and turbinate surgery to help patients breathe more easily. Dr. Mathiasen also performs radio frequency volume reduction procedures for nasal obstruction. Patients have given him an average rating of 2.8 on Vitals.
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AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 2.8
  • 30 years of experience
  • speaks English
  • Kaiser Permanente Medical Group
  • 8 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 2 board certifications
  • 3 hospital affiliations
  • 6 office locations
  • Male

Office Locations

Dr. Ronald Allen Mathiasen has 6 locations

Sharp Rees-Stealy Medical Group

10670 Wexford StSan Diego, CA 92131
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Sharp Rees-Stealy Medical Group

10243 Genetic Center DrSan Diego, CA 92121
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Sharp Rees-Stealy Scripps Ranch

10670 Wexford St Ste 100San Diego, CA 92131

Sharp Coronado Hospital

250 Prospect PlCoronado, CA 92118

Sharp Mary Birch Hospital For Women And Newborns

3003 Health Center DrSan Diego, CA 92123

Sharp Memorial Hospital

7901 Frost StSan Diego, CA 92123

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Dr. Ronald Allen Mathiasen, MD
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Dr. Ronald Allen Mathiasen, MDDr. Paul Schalch Lepe, MDDr. Maurice Philip Sherman, MDDr. Brady A Bahr, MD
Otolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgeryPlastic SurgeryPreventative Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
2.8 
30 Years of Experience 24 Years of Experience 56 Years of Experience 15 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks Spanish, English, Swedish, French, German Speaks English, Spanish
San Diego , CASan Diego , CADel Mar , CASan Diego , CA
Med School: University Of Arizona College Of Medicine Med School: Universidad Nacional Autonoma De Mexico Facultad De Medicina Med School: Louisiana State University School Of Medicine In New Orleans Med School: Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Ronald Allen Mathiasen

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Ronald Allen Mathiasen has the following 2 specialties

Specialty Expertise

Dr. Ronald Allen Mathiasen has the following 10 areas of expertise

  • Allergies
  • Chronic Sinusitis
  • Deviated Septum
  • Facial Trauma
  • Hearing Loss
  • Polyps
  • Smell Disorders
  • Surgery
  • Swallowing Disorders
  • Tumors

Certifications, License, & Education

30 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Residency

Kaiser Permanente Medical Group

Medical School

University Of Arizona College Of Medicine
University Of California San Diego School Of MedicineGraduated in 1996

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Frequently Asked Questions

Which hospitals is Dr. Ronald Mathiasen affiliated with?
Dr. Ronald Mathiasen is affiliated with Sharp Memorial Hospital, Sharp Coronado Hospital, and Sharp Mary Birch Hospital For Women And Newborns.
Does Dr. Ronald Mathiasen accept my insurance?
You can see the insurance plans that Dr. Ronald Mathiasen accepts on their Vitals profile.
How can I make an appointment with Dr. Ronald Mathiasen?
You can find contact information for Dr. Ronald Mathiasen here on Vitals.
What languages does Dr. Ronald Mathiasen speak?
Dr. Ronald Mathiasen speaks English.
Where is Dr. Ronald Mathiasen's office located?
Dr. Ronald Mathiasen's office is located at 10670 Wexford St, San Diego, CA, 92131.

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