Registry data as of Aug 27, 2026

Brian Tamura, M.D.

Family Medicine Physician · Oxnard, CA

Brian Tamura, M.D. is a family medicine physician with a practice address in Oxnard, California, and NPI 1720080682, issued on Aug 11, 2005. Check the license on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1720080682
Name
Brian Tamura
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
1100 N Ventura RD, Oxnard, CA 93030
Phone
(805) 983-0897
Enumerated
Aug 11, 2005
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 1100 N Ventura RD

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

  1. Jamie Mason, PTOrthopedic Physical Therapist1598739898
  2. Monica Nava, PTOrthopedic Physical Therapist1023082617
  3. Jody Sherman, PTOrthopedic Physical Therapist1669446985
  4. Linda Watts-Silva, PTOrthopedic Physical Therapist1003880287

Verify Brian Tamura in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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 →

69 family medicine physician records list a Oxnard practice address

They are 69 of the 3,211 NPPES records with a Oxnard practice address, and 16,272 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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 Brian Tamura, M.D.'s NPI number?

Brian Tamura, M.D.'s National Provider Identifier (NPI) is 1720080682, issued on Aug 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Brian Tamura, M.D. located?

The NPPES record lists a practice address at 1100 N Ventura RD, Oxnard, CA, 93030. Phone: (805) 983-0897. Providers update this record themselves, so call before visiting.

How can I verify Brian Tamura, M.D.'s license?

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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.