NPPES file of Aug 9, 2026

Yvonne Renee Williams, RN, MSN, FNP-C

Nurse Practitioner · Chula Vista, CA

Yvonne Renee Williams, RN, MSN, FNP-C is a nurse practitioner with a practice address in Chula Vista, California, and NPI 1326371683, issued on Sep 17, 2009. Check the license (California NP18864, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326371683
Name
Yvonne Renee Williams
Credential
RN, MSN, FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
NP18864 CA
Self-reported in NPPES; status is on the state search
Practice location
971 Lane Ave, Chula Vista, CA 91914
Phone
(619) 502-7300
Enumerated
Sep 17, 2009
Record last updated
Jul 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20091027000830); 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 971 Lane Ave

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

  1. Soroosh Amanat, M.D.Family Medicine Physician1003279621
  2. Jessica Bantigue, FNPFamily Nurse Practitioner1225431869
  3. David Brunsting, MDInternal Medicine Physician1477582997
  4. Christine Calma, PAPhysician Assistant1821051350
  5. Raymond DekayFamily Medicine Physician1457970824
  6. Heather Doulaki, PA-CMedical Physician Assistant1518375179

Verify Yvonne Renee 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 NP18864
    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

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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96% fewer Medicare Part D claims than the average nurse practitioner in 2024

47 Medicare Part D claims for 39 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Yvonne Williams47
  2. Specialty average1,109

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.

Industry payments in 2024: $56.48

3 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yvonne Williams$56.48
  2. Specialty average$791.64

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. Scripps HealthCarlsbad, CA

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

Yvonne Renee Williams among 8,223 nurse practitioner records in California

Yvonne Renee Williams, RN, MSN, FNP-C is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 30% of them.

  • NPI issued2009 · 30% of these records are older, 68% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2008 · median 2017 among the 3,425 with a school on file
  • Record last updated2019 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Charmaine BernarteChula Vista, CA 919141700673738
  2. Annalisa Chery, N.P.Chula Vista, CA 919141285651786
  3. Lecille Desamparado, MSN, FNP-CChula Vista, CA 919141669302378
  4. Nicole Woollard, DNPChula Vista, CA 919141174048979
  5. Minette GomezChula Vista, CA 919131477428258
  6. Veronica MedinaChula Vista, CA 919151477419794
  7. Lindsey ArmstonChula Vista, CA 919111841851375
  8. Roxana Guerra, FNPChula Vista, CA 919111821897026

Common questions

What is Yvonne Renee Williams, RN, MSN, FNP-C's NPI number?

Yvonne Renee Williams, RN, MSN, FNP-C's National Provider Identifier (NPI) is 1326371683, issued on Sep 17, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Yvonne Renee Williams, RN, MSN, FNP-C located?

The NPPES record lists a practice address at 971 Lane Ave, Chula Vista, CA, 91914. Phone: (619) 502-7300. Providers update this record themselves, so call before visiting.

How can I verify Yvonne Renee Williams, RN, MSN, FNP-C's license?

NPPES lists California license number NP18864, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Yvonne Renee Williams, RN, MSN, FNP-C prescribe under Medicare Part D?

In 2024, Yvonne Renee Williams, RN, MSN, FNP-C had 47 Medicare Part D claims for 39 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions 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.

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.