COUNTY OF VENTURA
NPI 1134658644
Clinic/Center - Public Health, State or Local in Oxnard, CA
About County Of Ventura NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COUNTY OF VENTURA (NPI 1134658644) is a healthcare organization registered as a public health, state or local in Oxnard, California and active in the NPI registry since June 2017. The organization lists Tracy Chapman, Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
County Of Ventura is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
708Medicare enrollment records show 708 clinicians reassign Medicare billing to County Of Ventura, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 421 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 54
Nearest to this location (20)
See all 708Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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 County Of Ventura's NPI number?
The NPI number for County Of Ventura is 1134658644. It was assigned to this organization in the NPPES registry on June 8, 2017. The provider is also known as Public Health Immunization Program.
Where is County Of Ventura located?
County Of Ventura is located at 2240 E Gonzales Rd Ste 170, Oxnard, CA 93036. The listed phone number is (805) 981-5211.
What is County Of Ventura's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Public Health, State or Local, with taxonomy code 261QP0905X.
Is County Of Ventura enrolled in Medicare?
Yes. County Of Ventura is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through County Of Ventura?
According to the CMS Revalidation Reassignment List (October 2026 release), 708 clinicians in 54 Medicare specialties reassign their Medicare billing to County Of Ventura. A 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 the clinician's services. The largest specialties are Family Practice (185), Psychiatry (83) and Pediatric Medicine (55). Of these, 2 practice at this address and 421 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for County Of Ventura was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# County Of Ventura · NPI 1134658644
Public Health, State or Local organization in Oxnard, California. Organization record, active in the CMS NPPES registry since June 8, 2017.
## Identity
- **NPI:** 1134658644 (Entity type: Organization)
- **Enumerated:** June 8, 2017
- **Primary specialty:** Clinic/Center - Public Health, State or Local · taxonomy 261QP0905X
- **Also known as:** Public Health Immunization Program (Other Name)
- **Organization subpart:** Yes (part of County Of Ventura)
- **Authorized official:** Tracy Chapman, DIRECTOR
## Practice location
- **Address:** 2240 E GONZALES RD STE 170, Oxnard, CA 93036-8215
- **Phone:** (805) 981-5211
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 708 clinicians in 54 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (185), Psychiatry (83), Pediatric Medicine (55); 2 practice at this address and 421 within 10 miles; [full list](https://npiprofile.com/npi/1134658644/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1134658644) · Data from the CMS NPPES public registry.