NPPES file of Aug 9, 2026

Antonio Alberto Diaz Cooper, NP

Family Nurse Practitioner · Westlake Village, CA

Antonio Alberto Diaz Cooper, NP is a family nurse practitioner with a practice address in Westlake Village, California, and NPI 1184418204, issued on Apr 4, 2025. Check the license (California 95034612, 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
1184418204
Name
Antonio Alberto Diaz Cooper
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95034612 CA
Self-reported in NPPES; status is on the state search
Practice location
5743 Corsa Ave Ste 112, Westlake Village, CA 91362
Phone
(805) 790-5300
Enumerated
Apr 4, 2025
Record last updated
Jun 4, 2026
Medicare enrollment
Enrolled (PECOS I20250520004995); 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 family nurse practitioner records → All 16,966 in California → Look up another NPI →

Also registered at 5743 Corsa Ave Ste 112

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

  1. Lindsay La BelleProfessional Counselor1407540628
  2. Sepideh RezaiMarriage & Family Therapist1720459720
  3. Breanne Sangalang, MA, LMFTMarriage & Family Therapist1225622806

Verify Antonio Alberto Diaz Cooper 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 95034612    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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Bills Medicare through one group practice

  1. Vst MedicalChino Hills, CA

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

Antonio Alberto Diaz Cooper among 16,966 family nurse practitioner records in California

Antonio Alberto Diaz Cooper, NP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 90% of them.

  • NPI issued2025 · 90% of these records are older, 3% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2024 · median 2019 among the 6,793 with a school on file
  • Record last updated2026 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 family nurse practitioner records list a practice address in Westlake Village

They are 15 of the 1,397 NPPES records with a practice address in Westlake Village, and 16,966 family nurse practitioner records in California.

All 16,966 in California → Every provider in Westlake Village → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Ethel Antonio, NPWestlake Village, CA 913621386778967
  2. Lynn Coates-Leisen, MSN, APRN, FNP-CThousand Oaks, CA 913621134523558
  3. Marichu Cortes, RNWestlake Village, CA 913621114535176
  4. Sara Houck, FNPThousand Oaks, CA 913621003448515
  5. Maritoni Tizon-Damiano, NPThousand Oaks, CA 913621225684566
  6. Ashley Bowen, FNPThousand Oaks, CA 913611356119457
  7. Maya Fahimipour, FNPThousand Oaks, CA 913611386295889
  8. Rita Kachakian, RN, BSN, FNPWestlake Village, CA 913611336608496

Common questions

What is Antonio Alberto Diaz Cooper, NP's NPI number?

Antonio Alberto Diaz Cooper, NP's National Provider Identifier (NPI) is 1184418204, issued on Apr 4, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Antonio Alberto Diaz Cooper, NP located?

The NPPES record lists a practice address at 5743 Corsa Ave Ste 112, Westlake Village, CA, 91362. Phone: (805) 790-5300. Providers update this record themselves, so call before visiting.

How can I verify Antonio Alberto Diaz Cooper, NP's license?

NPPES lists California license number 95034612, 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.