Registry data as of Aug 27, 2026

William Teimoori

Registered Nurse First Assistant · Trabuco Canyon, CA

William Teimoori is a registered nurse first assistant with a practice address in Trabuco Canyon, California, and NPI 1669342093, issued on Nov 10, 2025. Check the license with the California board that licenses this profession; 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
1669342093
Name
William Teimoori
Primary taxonomy
Registered Nurse First Assistant 163WR0006X
Practice location
28535 Trento Way, Trabuco Canyon, CA 92679
Phone
(949) 742-0021
Enumerated
Nov 10, 2025
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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Verify William Teimoori in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
Find 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 →

Registered Nurse First Assistant providers in California

There are 321 registered nurse first assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 321 in California → Every provider in Trabuco Canyon →

Other registered nurse first assistant records in California

  1. Darin Abacherli, RNFAMammoth Lakes, CA1114721008
  2. Kimberly Ackerman, ACNPOxnard, CA1770751497
  3. Antoinette Aguayo, RNFAElverta, CA1396449450
  4. Ignacio Aguilar, RNFAPasadena, CA1497583603
  5. Bahjat Akari, RNFAMurrieta, CA1588853683
  6. Betsy Albrecht, R.N. CNOR RNFARiverside, CA1043643208
  7. Woodryan Alexander, CRNFAValencia, CA1750501375
  8. Rachel Ann Alikes, RNModesto, CA1073441374
  9. Glenn Almazan, RNFACerritos, CA1598640443
  10. Rebecca Althoff, RNFASanta Rosa, CA1427119668

Common questions

What is William Teimoori's NPI number?

William Teimoori's National Provider Identifier (NPI) is 1669342093, issued on Nov 10, 2025. An NPI identifies a provider in billing; it is not a license.

Where is William Teimoori located?

The NPPES record lists a practice address at 28535 Trento Way, Trabuco Canyon, CA, 92679. Phone: (949) 742-0021. Providers update this record themselves, so call before visiting.

How can I verify William Teimoori's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

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.

Compiled from official public sources by the editorial process.

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.