NPPES file of Aug 9, 2026

Brendan Williams, DNP, CRNA

Certified Registered Nurse Anesthetist · Fontana, CA

Brendan Williams, DNP, CRNA is a certified registered nurse anesthetist with a practice address in Fontana, California, and NPI 1043058910, issued on Jul 16, 2024. Check the license (California 95002423, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043058910
Name
Brendan Williams
Credential
DNP, CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
95002423 CA
834447 CA
Self-reported in NPPES; status is on the state search
Practice location
15218 Summit Ave Ste 300-130, Fontana, CA 92336
Phone
(909) 255-2661
Enumerated
Jul 16, 2024
Record last updated
Jul 30, 2024
Medicare enrollment
Enrolled (PECOS I20240917002772); 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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8 nearest certified registered nurse anesthetist records → All 2,943 in California → Look up another NPI →

Verify Brendan Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95002423    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
Find the California license search

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Bills Medicare through 3 group practices

  1. Darin Rentz DO PCRedlands, CA
  2. Sound Physicians Anesthesiology OF California PCMurrieta, CA
  3. Vasa Anesthesia Professional CorporationLos Angeles, CA

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

Brendan Williams among 2,943 certified registered nurse anesthetist records in California

Brendan Williams, DNP, CRNA is one of 2,943 certified registered nurse anesthetist records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 93% of them.

  • NPI issued2024 · 93% of these records are older, 3% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2024 · median 2016 among the 2,089 with a school on file
  • Record last updated2024 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

71 certified registered nurse anesthetist records list a practice address in Fontana

They are 71 of the 3,012 NPPES records with a practice address in Fontana, and 2,943 certified registered nurse anesthetist records in California.

All 2,943 in California → Every provider in Fontana → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Rommel JavierFontana, CA 923361548557648
  2. Suong McLarty, CRNAFontana, CA 923361932525060
  3. Johana Perez, CRNAFontana, CA 923361083091847
  4. Azucena BecerraFontana, CA 923351891476958
  5. Brittany Bungert, DNP, CRNAFontana, CA 923351285301085
  6. Erica Butler, DNP, CRNAFontana, CA 923351346921566
  7. Isabella Francesca De Leon, CRNAFontana, CA 923351376205708
  8. Loretta Gibson, CRNAFontana, CA 923371629053525

Common questions

What is Brendan Williams, DNP, CRNA's NPI number?

Brendan Williams, DNP, CRNA's National Provider Identifier (NPI) is 1043058910, issued on Jul 16, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Brendan Williams, DNP, CRNA located?

The NPPES record lists a practice address at 15218 Summit Ave Ste 300-130, Fontana, CA, 92336. Phone: (909) 255-2661. Providers update this record themselves, so call before visiting.

How can I verify Brendan Williams, DNP, CRNA's license?

NPPES lists California license number 95002423, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.