DR. MARGARET WACHEKE WARUIRU AGACNP
NPI 1235733114
Nurse Practitioner - Acute Care in Fullerton, CA

Active since November 23, 2020PECOS EnrolledAccepts Medicare Assignment
1950 SUNNY CREST DR STE 2600, FULLERTON, CA 92835(714) 446-5590 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 5, 2026, Mar 20, 2026, Nov 23, 2020 (3 updates tracked since 2020).

About Dr. Margaret Wacheke Waruiru Agacnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARGARET WACHEKE WARUIRU AGACNP (NPI 1235733114) is an individual acute care provider in Fullerton, California, licensed in California (95021272) and active in the NPI registry since November 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1235733114
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameDR. MARGARET WACHEKE WARUIRUCredential: AGACNP
Location Address1950 SUNNY CREST DR STE 2600Fullerton, CA 92835-3644
Mailing Address1950 Sunny Crest Dr Ste 2600Fullerton, CA 92835-3644 · (989) 297-1593
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateNovember 23, 2020
Last NPPES UpdateMay 5, 20263 updates tracked since enumeration
NPPES CertifiedMay 5, 2026
NPI 1235733114 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in CA · 95021272
1950 SUNNY CREST DR STE 2600, Fullerton, CA 92835

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Margaret Wacheke Waruiru Agacnp 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.

PECOS PAC ID8729563051
PECOS Enrollment IDI20260403000860
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92835 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
1950 SUNNY CREST DR STE 2600
FULLERTON, CA 92835
Social Worker (Clinical)
1950 SUNNY CREST DR STE 2600
FULLERTON, CA 92835
Nurse Practitioner (Gerontology)
1950 SUNNY CREST DR STE 2600
FULLERTON, CA 92835
Nurse Practitioner
1950 SUNNY CREST DR STE 2600
FULLERTON, CA 92835
Family Medicine
1950 SUNNY CREST DR STE 2600
FULLERTON, CA 92835

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 Margaret Waruiru's NPI number?

The NPI number for Margaret Waruiru is 1235733114. It was assigned to this individual provider in the NPPES registry on November 23, 2020.

Where is Margaret Waruiru located?

Margaret Waruiru practices at 1950 Sunny Crest Dr Ste 2600, Fullerton, CA 92835. The listed phone number is (714) 446-5590.

What is Margaret Waruiru's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Margaret Waruiru enrolled in Medicare?

Yes. Margaret Waruiru 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.

When was this NPI record last updated?

The NPPES record for Margaret Waruiru was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.