Summary

Dr. Ronald Mathiasen treats sinusitis, chronic sinusitis, and enlarged turbinates, and performs radio frequency volume reduction for the nose, endoscopic sinus surgery, and turbinate surgery. He practices otolaryngology–head and neck surgery and surgery, with 30 years of experience.

Dr. Mathiasen earned his medical degree from the University of California San Diego School of Medicine and completed his residency at Kaiser Permanente Medical Group. He is affiliated with Sharp Memorial Hospital, Sharp Coronado Hospital, and Sharp Mary Birch Hospital for Women and Newborns, and sees patients in San Diego and Coronado, California.

Overview based on verified provider data

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
  • 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. Elisabeth Jacques Leeflang, MDDr. Alexander Anthony Roher II, MD
Otolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgeryAnesthesiologyAnesthesiology
Accepts New Patients Accepts New Patients Accepts New Patients
2.8 
5 
0 
0 
30 Years of Experience 24 Years of Experience 15 Years of Experience 18 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
San Diego , CASan Diego , CASan Diego , CASan Diego , CA
Med School: University Of Arizona College Of Medicine Med School: Universidad Nacional Autonoma De Mexico Facultad De Medicina Med School: UNIVERSITY OF UTAH SCHOOL OF MEDICINE Med School: University Of Arizona College 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

Dr. Ronald Allen Mathiasen holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Kaiser Permanente Medical Group.

Medical School

Graduated from University Of Arizona College Of Medicine and University Of California San Diego School Of Medicine in 1996.

NPI Number

Dr. Mathiasen's NPI number is 1790740629.

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Frequently Asked Questions

Where is Dr. Ronald Mathiasen's office located?
Dr. Ronald Mathiasen's office is located at 10670 Wexford St, San Diego, CA, 92131.
Does Dr. Ronald Mathiasen accept my insurance?
You can see the insurance plans that Dr. Ronald Mathiasen accepts on their Vitals profile.
Is Dr. Ronald Mathiasen accepting new patients?
Dr. Ronald Mathiasen is accepting new patients on Vitals. View Dr. Ronald Mathiasen's profile on Vitals to make an appointment.
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.
How can I make an appointment with Dr. Ronald Mathiasen?
You can find contact information for Dr. Ronald Mathiasen here on Vitals.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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