Margaret Wacheke Waruiru, AGACNP

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

95021272 Issued in CA

Practice address

1950 Sunny Crest Dr Ste 2600
Fullerton, CA 92835-3644

Phone

(714) 446-5590

NPI assigned

Nov 23, 2020

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence St. Jude Medical Center Hospital, Fullerton, CA, CCN 050168

Medicare enrollment (NPD)

Enrolled

State licenses

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Providence Medical Foundation

  • Family Medicine Physician
  • Brea, CA
  • NPI 1871607762
  Medicare reassignment Care Compare group

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• St Jude Hospital Inc

  • General Acute Care Hospital
  • Fullerton, CA
  • NPI 1194926279
  Care Compare affiliation
• St Jude Hospital Inc

  • General Acute Care Hospital
  • Brea, CA
  • NPI 1891904942
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1606089600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1235733114",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1950 SUNNY CREST DR STE 2600",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928353644",
            "telephone_number": "989-297-1593"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1950 SUNNY CREST DR STE 2600",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928353644",
            "telephone_number": "714-446-5590"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARUIRU",
        "first_name": "MARGARET",
        "middle_name": "WACHEKE",
        "name_prefix": "Dr.",
        "credential": "AGACNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-11-23",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "CA",
            "license": "95021272",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Angela Marie Wangyal, PAC
• Jazmane Warbington
• Michael Ward, D.C.
• Samantha Joy Ward
• Annette Warren
• Devon Lamar Washington
• Jasmine Renee Washington
• Stephanie Michelle Wason, COTA/L
• Wassef Y Karrowni MD a Professional Corp
• Teagan Wasserman, PA

• Acute Care Nurse Practitioner in Fullerton, CA
• Providers in Fullerton, CA by specialty
• Acute Care Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.