Margaret Wacheke Waruiru, AGACNP
Acute Care Nurse Practitioner · Fullerton, CA
Margaret Wacheke 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 Wacheke 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
- Record last updated
- May 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20260403000860); accepts Medicare assignment
- 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.
- Maiya Bertrand, LCSWClinical Social Worker1326679770
- Alyssa FerrellNurse Practitioner1699648782
- Stephanie Hwa, RN, NPGerontology Nurse Practitioner1477894780
- Dongwhan Im, PHYSICIAN ASSISTANTPhysician Assistant1174257414
- Cynthia Mejia, P.A.-CFamily Medicine Physician1871602839
Verify Margaret Wacheke 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
97% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
15 Medicare Part D claims, against an average of 594 among the 13,133 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.
Bills Medicare through one group practice
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Acute Care Nurse Practitioner providers in California
There are 1,810 acute care nurse practitioner records in California.
Other acute care nurse practitioner records in California
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- Shahrin Abdalian, NPFresno, CA1043716186
- Naima Abdirahman, NPLong Beach, CA1215640560
- Jenna Abeloe, NPVentura, CA1679090393
- Rhonald AbitonaSan Francisco, CA1164993473
- Tara Abrams, NPLos Angeles, CA1114536679
- Andrea Abramson, RN, CNS, NPRancho Mirage, CA1548187784
- Sherrell Abriam, ARNPSacramento, CA1457695132
- Christopher Acebedo, NPSan Francisco, CA1104085109
- Veronica Acevedo, ACNP-BCLos Angeles, CA1588214795
Common questions
What is Margaret Wacheke Waruiru, AGACNP's NPI number?
Margaret Wacheke 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 Wacheke 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 Wacheke 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 Wacheke Waruiru, AGACNP prescribe under Medicare Part D?
In 2024, Margaret Wacheke Waruiru, AGACNP had 15 Medicare Part D claims; the average among acute care nurse practitioner prescribers was 594. 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.