Registry data as of Aug 27, 2026

Patricia Matus, DO

Family Medicine Physician · San Ramon, CA

Patricia Matus, DO is a family medicine physician with a practice address in San Ramon, California, and NPI 1558004770, issued on Apr 15, 2022. Check the license (California 20A22106, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1558004770
Name
Patricia Matus
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A22106 CA
Self-reported in NPPES; status is on the state search
Practice location
12677 Alcosta Blvd Ste 240, San Ramon, CA 94583
Phone
(925) 838-6533
Enumerated
Apr 15, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 12677 Alcosta Blvd Ste 240

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

  1. Anum Ahmed, M.DFamily Medicine Physician1609296441

Verify Patricia Matus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A22106
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

97% fewer Medicare Part D claims than the average family medicine physician in 2024

90 Medicare Part D claims for 34 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Patricia Matus90
  2. Specialty average3,519

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.

One hospital or facility affiliation

  1. John Muir Physician NetworkSan Ramon, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

33 family medicine physician records list a San Ramon practice address

They are 33 of the 2,281 NPPES records with a San Ramon practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Patricia Matus, DO's NPI number?

Patricia Matus, DO's National Provider Identifier (NPI) is 1558004770, issued on Apr 15, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Patricia Matus, DO located?

The NPPES record lists a practice address at 12677 Alcosta Blvd Ste 240, San Ramon, CA, 94583. Phone: (925) 838-6533. Providers update this record themselves, so call before visiting.

How can I verify Patricia Matus, DO's license?

NPPES lists California license number 20A22106, 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 Patricia Matus, DO prescribe under Medicare Part D?

In 2024, Patricia Matus, DO had 90 Medicare Part D claims for 34 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.