Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Ronald Mathiasen, MD

Individual provider Otolaryngology Physician · NPI 1790740629

Dr. Ronald Mathiasen, MD is an Otolaryngology in San Diego, California. Graduated from University of California, San Diego School of Medicine in 1996, 30 years ago. Practices with Sharp Rees-Stealy Medical Group Inc, a 874-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
30
Trained at
University of California, San Diego School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

10670 Wexford St
San Diego, CA 92131-3940
Phone: (858) 621-4090
Fax: (858) 621-4044
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence A064829 (CA)

Record details

NPI number1790740629
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2006
Last updated in NPPESJune 25, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Sharp Rees-Stealy Medical Group Inc — 874 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in San Diego