Margaret Waruiru, AGACNP
Acute Care Nurse Practitioner · Fullerton, CA
Margaret Waruiru, AGACNP is an acute care nurse practitioner with a practice address in Fullerton, California, and NPI 1235733114, issued on Nov 23, 2020. Check the license (California 95021272, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Waruiru
- Credential
- AGACNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 95021272 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1950 Sunny Crest Dr Ste 2600, Fullerton, CA 92835
- Phone
- (714) 446-5590
- Enumerated
- Nov 23, 2020
- Entity
- Type 1 · individual
Also registered at 1950 Sunny Crest Dr Ste 2600
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephanie Hwa, RN, NPHospice Registered Nurse1477894780
- Dongwhan Im, PHYSICIAN ASSISTANTPhysician Assistant1174257414
- Cynthia Mejia, P.A.-CFamily Medicine Physician1871602839
Verify Margaret Waruiru in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95021272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
15 Medicare Part D claims, against an average of 623 among the 12,256 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
One hospital or facility affiliation
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Acute Care Nurse Practitioner providers in California
There are 1,703 acute care nurse practitioner records in California.
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- Tara Abrams, NPLos Angeles, CA1114536679
- Andrea Abramson, RN, CNS, NPRancho Mirage, CA1548187784
- Christopher Acebedo, NPSan Francisco, CA1104085109
- Veronica Acevedo, ACNP-BCLos Angeles, CA1588214795
- Mary Alice Ackerman, NP-CBeverly Hills, CA1861851958
- Margarita Acosta, RN, AGACNPSylmar, CA1609202415
Common questions
What is Margaret Waruiru, AGACNP's NPI number?
Margaret Waruiru, AGACNP's National Provider Identifier (NPI) is 1235733114, issued on Nov 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Waruiru, AGACNP located?
The NPPES record lists a practice address at 1950 Sunny Crest Dr Ste 2600, Fullerton, CA, 92835. Phone: (714) 446-5590. Providers update this record themselves, so call before visiting.
How can I verify Margaret Waruiru, AGACNP's license?
NPPES lists California license number 95021272, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Waruiru, AGACNP prescribe under Medicare Part D?
In 2024, Margaret Waruiru, AGACNP had 15 Medicare Part D claims; the average among acute care nurse practitioner prescribers was 623. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.