RITA MARIE GRIJALVA RNP
NPI 1568423317
Nurse Practitioner in Anaheim, CA
About Rita Marie Grijalva Rnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RITA MARIE GRIJALVA RNP (NPI 1568423317) is an individual nurse practitioner in Anaheim, California, licensed in California (12425) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Rita Marie Grijalva Rnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Rita Grijalva reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Long Beach, CA 90806
- Reassigned Medicare billing, California enrollment
- 104 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.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANAHEIM, CA 92801
ANAHEIM, CA 92801
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 Rita Grijalva's NPI number?
The NPI number for Rita Grijalva is 1568423317. It was assigned to this individual provider in the NPPES registry on March 31, 2006.
Where is Rita Grijalva located?
Rita Grijalva practices at 1771 W Romneya Dr Ste C, Anaheim, CA 92801. The listed phone number is (714) 520-3000.
What is Rita Grijalva's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Rita Grijalva enrolled in Medicare?
Yes. Rita Grijalva is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Rita Grijalva's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rita Grijalva reassigns Medicare benefits to Housecall Doctors Medical Group Inc (Long Beach, 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 Rita Grijalva'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 Rita Grijalva was last updated on March 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.