Rita Marie Grijalva, RNP
Nurse Practitioner · Anaheim, CA
Rita Marie Grijalva, RNP is a nurse practitioner with a practice address in Anaheim, California, and NPI 1568423317, issued on Mar 31, 2006. Check the license (California 12425, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rita Marie Grijalva
- Credential
- RNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 12425 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1771 W Romneya Dr, Anaheim, CA 92801
- Phone
- (714) 520-3000
- Enumerated
- Mar 31, 2006
- Record last updated
- Mar 14, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (714) 520-5742
- Medicaid ID
- GR0095540 CA
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 1771 W Romneya Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rita Marie Grijalva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average nurse practitioner in 2024
1,666 Medicare Part D claims for 115 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 67 claims were for opioids.
Most prescribed
- Levothyroxine Sodium99 claims
- Atorvastatin Calcium69 claims
- Amlodipine Besylate55 claims
- Mupirocin41 claims
- Furosemide39 claims
- Gabapentin34 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Rita Marie Grijalva among 8,223 nurse practitioner records in California
Rita Marie Grijalva, RNP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2019 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
95 nurse practitioner records list a practice address in Anaheim
They are 95 of the 9,018 NPPES records with a practice address in Anaheim, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Anaheim → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Donna Do, RNPAnaheim, CA 928011841254489
- Margaret Guerrero, NPAnaheim, CA 928011790856680
- Amylou Grace Harms, NP-CAnaheim, CA 928011932571759
- Jeniffer Johnson, N.P.Anaheim, CA 928011568651909
- Yen Kim, DNP, FNP, AGNP, BSNAnaheim, CA 928011760852263
- Minami Konishi, NPAnaheim, CA 928011982211769
- Eliana Marquez, NPAnaheim, CA 928011306310750
- Britney Nguyen, N.P.Anaheim, CA 928011508045881
Common questions
What is Rita Marie Grijalva, RNP's NPI number?
Rita Marie Grijalva, RNP's National Provider Identifier (NPI) is 1568423317, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rita Marie Grijalva, RNP located?
The NPPES record lists a practice address at 1771 W Romneya Dr, Anaheim, CA, 92801. Phone: (714) 520-3000. Providers update this record themselves, so call before visiting.
How can I verify Rita Marie Grijalva, RNP's license?
NPPES lists California license number 12425, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Rita Marie Grijalva, RNP prescribe under Medicare Part D?
In 2024, Rita Marie Grijalva, RNP had 1,666 Medicare Part D claims for 115 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions 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.
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.