NPPES file of Aug 9, 2026

Carlos A. Frias, MD

Family Medicine Physician · Oxnard, CA

Carlos A. Frias, MD is a family medicine physician with a practice address in Oxnard, California, and NPI 1013962422, issued on May 23, 2006. Check the license (California C53852, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013962422
Name
Carlos A. Frias
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
C53852 CA
Self-reported in NPPES; status is on the state search
Practice location
2000 Outlet Center Dr Ste 110, Oxnard, CA 93036
Phone
(805) 604-4588
Enumerated
May 23, 2006
Record last updated
Apr 8, 2022
Medicare enrollment
Enrolled (PECOS I20100107000695); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2000 Outlet Center Dr Ste 110

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Aimee Brecht-Doscher, M. D.Obstetrics & Gynecology Physician1689747198
  2. Heidi Dahl-Rosenbaum, MDChild & Adolescent Psychiatry Physician1851436638
  3. Jia Jennifer Ding, MDMaternal & Fetal Medicine Physician1851821268
  4. Sonya Garcia, M.D.Pediatrics Physician1922162445
  5. Shiori Nariai, M.D.Pediatrics Physician1437564127
  6. Paul Silverman, MDUrology Physician1245399641

Verify Carlos A. Frias in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C53852
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average family medicine physician in 2024

65 Medicare Part D claims for 16 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Carlos Frias65
  2. Specialty average3,544

Most prescribed

  1. Oxybutynin Chloride Er13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.1
  2. Costout of 100 · 30%56.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $30.56

2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carlos Frias$30.56
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. County OF VenturaVentura, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Carlos A. Frias among 17,133 family medicine physician records in California

Carlos A. Frias, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1990 · median 2005 among the 10,652 with a school on file
  • Record last updated2022 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

74 family medicine physician records list a practice address in Oxnard

They are 74 of the 3,211 NPPES records with a practice address in Oxnard, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Timothy Chen, MDOxnard, CA 930361720152002
  2. Christine Dumont, DOOxnard, CA 930361417937467
  3. Daniel Flaming, M.D.Oxnard, CA 930361649255498
  4. John Ford, M.D.Oxnard, CA 930361699851188
  5. Richard Gardner, M.D.Oxnard, CA 930361184644858
  6. Steven Glinka, MDOxnard, CA 930361730392820
  7. Robert O'Hara, M.D.Oxnard, CA 930361902969066
  8. Abraham Orozco, M.D.Oxnard, CA 930361518905843

Common questions

What is Carlos A. Frias, MD's NPI number?

Carlos A. Frias, MD's National Provider Identifier (NPI) is 1013962422, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carlos A. Frias, MD located?

The NPPES record lists a practice address at 2000 Outlet Center Dr Ste 110, Oxnard, CA, 93036. Phone: (805) 604-4588. Providers update this record themselves, so call before visiting.

How can I verify Carlos A. Frias, MD's license?

NPPES lists California license number C53852, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Carlos A. Frias, MD prescribe under Medicare Part D?

In 2024, Carlos A. Frias, MD had 65 Medicare Part D claims for 16 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Carlos A. Frias, MD's MIPS final score?

The 2023 MIPS final score is 87.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.