CHRISTINA CHAMBERS
NPI 1528957917
Nurse Practitioner - Primary Care in Perris, CA
About Christina Chambers NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINA CHAMBERS (NPI 1528957917) is an individual primary care provider in Perris, California, licensed in California (95033961) and active in the NPI registry since June 2025. The provider is enrolled in Medicare PECOS and is a graduate of Other (2017).
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
Christina Chambers 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 Reassignment
Medicare enrollment records show Christina Chambers reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Riverside, CA 92506
- Reassigned Medicare billing, California enrollment
- 30 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 92571 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Christina Chambers's NPI number?
The NPI number for Christina Chambers is 1528957917. It was assigned to this individual provider in the NPPES registry on June 30, 2025.
Where is Christina Chambers located?
Christina Chambers practices at 126 Avocado Ave Ste 205, Perris, CA 92571. The listed phone number is (951) 223-8440.
What is Christina Chambers's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Christina Chambers enrolled in Medicare?
Yes. Christina Chambers 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 organization bills Medicare for Christina Chambers's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christina Chambers reassigns Medicare benefits to Optima Health Corp (Riverside, CA). The 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 Christina Chambers'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 Christina Chambers was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Christina Chambers · NPI 1528957917
Primary Care physician in Perris, California. Individual provider, active in the CMS NPPES registry since June 30, 2025.
## Identity
- **NPI:** 1528957917 (Entity type: Individual)
- **Enumerated:** June 30, 2025
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 95033961 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 126 AVOCADO AVE STE 205, Perris, CA 92571-2605
- **Phone:** (951) 223-8440
## 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:** Optima Health Corp (NPI 1245892066, Riverside, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** June 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1528957917) · Data from the CMS NPPES public registry.