ANTONIO ALBERTO DIAZ COOPER NP
NPI 1184418204
Nurse Practitioner - Family in Westlake Village, CA
About Antonio Alberto Diaz Cooper Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANTONIO ALBERTO DIAZ COOPER NP (NPI 1184418204) is an individual family provider in Westlake Village, California, licensed in California (95034612) and active in the NPI registry since April 2025. He is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Antonio Alberto Diaz Cooper Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Antonio Diaz Cooper reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90035
- Reassigned Medicare billing, California enrollment
- 16 clinicians in this Medicare group
West Covina, CA 91790
- Reassigned Medicare billing, California enrollment
- 18 clinicians in this Medicare group
Santa Ana, CA 92707
- Reassigned Medicare billing, California enrollment
- 70 clinicians in this Medicare group
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91362 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESTLAKE VILLAGE, CA 91362
WESTLAKE VILLAGE, CA 91362
WESTLAKE VILLAGE, CA 91362
WESTLAKE VILLAGE, CA 91362
WESTLAKE VILLAGE, CA 91362
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Antonio Diaz Cooper's NPI number?
The NPI number for Antonio Diaz Cooper is 1184418204. It was assigned to this individual provider in the NPPES registry on April 4, 2025.
Where is Antonio Diaz Cooper located?
Antonio Diaz Cooper practices at 5743 Corsa Ave Ste 112, Westlake Village, CA 91362. The listed phone number is (805) 790-5300.
What is Antonio Diaz Cooper's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Antonio Diaz Cooper enrolled in Medicare?
Yes. Antonio Diaz Cooper is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Antonio Diaz Cooper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Antonio Diaz Cooper reassigns Medicare benefits to 6 organizations: Access Healthcare Associates A Medical Corporation (Los Angeles, CA), Zenmedicine (West Covina, CA), Senior Doc Integrated Med, PC (Santa Ana, CA), Clinical Mobile Care (Chino Hills, CA), Vst Medical (Chino Hills, CA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Antonio Diaz Cooper's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Antonio Diaz Cooper was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Antonio Alberto Diaz Cooper, NP · NPI 1184418204
Family physician in Westlake Village, California. Individual provider, active in the CMS NPPES registry since April 4, 2025.
## Identity
- **NPI:** 1184418204 (Entity type: Individual)
- **Enumerated:** April 4, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95034612 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5743 CORSA AVE STE 112, Westlake Village, CA 91362-6441
- **Phone:** (805) 790-5300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Access Healthcare Associates A Medical Corporation (NPI 1013109834, Los Angeles, CA); Zenmedicine (NPI 1821567488, West Covina, CA); Senior Doc Integrated Med, PC (NPI 1396526026, Santa Ana, CA); Clinical Mobile Care (NPI 1083405096, Chino Hills, CA); Vst Medical (NPI 1336939263, Chino Hills, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** June 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1184418204) · Data from the CMS NPPES public registry.