Greshawnda Crayton, RN, FNP-BC, PHN

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

792798 Issued in CA

Practice address

12100 Euclid St
Garden Grove, CA 92840-3304

Phone

(714) 741-3516

NPI assigned

Sep 8, 2023

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

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

Southern California Permanente Medical GroupGroup PAC ID 6002729175, 11,250 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner, Registered Nurse

State licenses

Practice roles

Locations

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.

• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280
  Medicare reassignment Care Compare group
• Anchor Medical Group

  • Family Medicine Physician
  • Yorba Linda, CA
  • NPI 1700678810
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Santa Clarita, CA
  • NPI 1316409410
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Fullerton, CA
  • NPI 1336556059
  NPD

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

{
    "created_epoch": "1694131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784592000000",
    "number": "1164208781",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12100 EUCLID ST",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928403304",
            "telephone_number": "714-741-3516"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12100 EUCLID ST",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928403304",
            "telephone_number": "714-741-3516"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CRAYTON",
        "first_name": "GRESHAWNDA",
        "credential": "RN, FNP-BC, PHN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-09-08",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "792798",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "NP95023424",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "12100 Euclid St",
            "city": "Garden Grove",
            "state": "CA",
            "country_code": "US",
            "postal_code": "928403304",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Sarah Katherine Cox
• Timothy Cox Jr.
• Rachel Danielle Cozma
• Suzanne Jean Crabtree
• Lilianne Grace Craver
• Garrett Nathan Crippen
• Megan Olson Crisostomo, BCBA
• Noah Joseph Crisp
• Grecia Crispin
• Joseph Crosthwait

• Registered Nurse in Garden Grove, CA
• Providers in Garden Grove, CA by specialty
• Registered Nurse in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 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.