DR. RONALD MATHIASEN MD
NPI 1790740629
Otolaryngology in San Diego, CA

Active since April 20, 2006PECOS EnrolledAccepts Medicare Assignment
73.62/100
CMS Quality Rating
10670 WEXFORD ST, SAN DIEGO, CA 92131(858) 621-4090(858) 621-4044 Get Directions Write a Review

NPPES record last updated: June 25, 2013. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Ronald Mathiasen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD MATHIASEN MD (NPI 1790740629) is an individual otolaryngology provider in San Diego, California, licensed in California (A064829) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1996).

NPPES Registry Identity

NPI1790740629
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameDR. RONALD MATHIASENCredential: MD
Location Address10670 WEXFORD STSan Diego, CA 92131-3940
Mailing Address10670 Wexford StSan Diego, CA 92131-3940 · (858) 621-4090 · Fax (858) 621-4044
Fax(858) 621-4044
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1996
Enumeration DateApril 20, 2006
Last NPPES UpdateJune 25, 2013
NPI 1790740629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License Licensed in CA · A064829
Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

10670 WEXFORD ST, San Diego, CA 92131

Other Identifiers 4

Medicare UPING98678CA
Medicaid00A648290CA
Other020045191CA · Railroad
Medicare ID-Type Unspecified00A648290CA · Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Ronald Mathiasen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658388046
PECOS Enrollment IDI20060309000331
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit, 20-29 minutes 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
62 services52 patients
Diagnostic exam of nasal passages using an endoscope 31231
A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.
39 services34 patients
Established patient office or other outpatient visit, 30-39 minutes 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
36 services30 patients
Biopsy or removal of nasal polyp or tissue using an endoscope 31237
A nasal biopsy or polyp removal is a procedure where an endoscope, a thin tube with a light and camera, is inserted into the nose. This allows the doctor to see and remove abnormal tissues or polyps, which are small growths. This procedure helps diagnose or treat nasal issues.
29 services13 patients
Removal of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 2.1-3.0 cm 11643
This procedure involves the careful removal of a cancerous growth on the face, ears, eyelids, nose, lips, or mouth that measures between 2.1 to 3.0 cm. The goal is to eliminate the cancer while preserving surrounding healthy tissue.
15 services14 patients
Melanoma (skin cancer) excision NAN03
Melanoma excision is a procedure where a surgeon removes melanoma, a type of skin cancer, and some surrounding healthy tissue. Local anesthesia is applied to numb the area. The goal is to completely remove the cancer and prevent its spread. Healing time varies.
0 services70 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92131 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.56
Improvement Activities40
Cost58.69

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
10670 WEXFORD ST
SAN DIEGO, CA 92131
Family Medicine
10670 WEXFORD ST
SAN DIEGO, CA 92131
Otolaryngology
10670 WEXFORD ST
SAN DIEGO, CA 92131
Internal Medicine
10670 WEXFORD ST
SAN DIEGO, CA 92131
Internal Medicine (Rheumatology)
10670 WEXFORD ST
SAN DIEGO, CA 92131
Internal Medicine (Endocrinology, Diabetes & Metabolism)
10670 WEXFORD ST
SAN DIEGO, CA 92131
Dermatology
10670 WEXFORD ST
SAN DIEGO, CA 92131
Optometrist
10670 WEXFORD ST
SAN DIEGO, CA 92131

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Mathiasen's NPI number?

The NPI number for Ronald Mathiasen is 1790740629. It was assigned to this individual provider in the NPPES registry on April 20, 2006.

Where is Ronald Mathiasen located?

Ronald Mathiasen practices at 10670 Wexford St, San Diego, CA 92131. The listed phone number is (858) 621-4090.

What is Ronald Mathiasen's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Ronald Mathiasen enrolled in Medicare?

Yes. Ronald Mathiasen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ronald Mathiasen was last updated on June 25, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.