GRESHAWNDA CRAYTON RN, FNP-BC, PHN
NPI 1164208781
Registered Nurse in Garden Grove, CA

Q: What is Greshawnda Crayton's NPI number?

The NPI number for Greshawnda Crayton is 1164208781. It was assigned to this individual provider in the NPPES registry on September 8, 2023.

Q: What is Greshawnda Crayton's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

Active since September 08, 2023PECOS EnrolledAccepts Medicare Assignment

12100 EUCLID ST, GARDEN GROVE, CA 92840(714) 741-3516 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2026, Sep 9, 2023 (2 updates tracked since 2023).

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About Greshawnda Crayton Rn, Fnp-bc, Phn NPPES

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

GRESHAWNDA CRAYTON RN, FNP-BC, PHN (NPI 1164208781) is an individual registered nurse in Garden Grove, California, licensed in California (792798) and active in the NPI registry since September 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1164208781

Entity TypeIndividualFemale

Primary Taxonomy163W00000X

Provider Legal NameGRESHAWNDA CRAYTONCredential: RN, FNP-BC, PHN

Location Address12100 EUCLID STGarden Grove, CA 92840-3304

Mailing Address12100 Euclid StGarden Grove, CA 92840-3304 · (714) 741-3516

Phone(714) 741-3516

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateSeptember 8, 2023

Last NPPES UpdateJuly 21, 20262 updates tracked since enumeration

NPPES CertifiedJuly 21, 2026

✔ NPI 1164208781 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRegistered NurseNursing Service Providers

Taxonomy Code163W00000X

License✔ Licensed in CA · 792798

Definition

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License NP95023424 (CA)

12100 EUCLID ST, Garden Grove, CA 92840

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Greshawnda Crayton Rn, Fnp-bc, Phn 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 ID42659856

PECOS Enrollment IDI20240412002176

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.

Medicare Billing Reassignment

Medicare enrollment records show Greshawnda Crayton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group

6.3 mi

Health Maintenance Organization

1893 W MALVERN AVE
Fullerton, CA 92833

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1336556059 (877) 608-0044

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

MRS. ADRIANA CERVANTES LONGO M.D.

Internal Medicine

12100 EUCLID ST, 3RD FLOOR
GARDEN GROVE, CA 92840

Orange County (714) 741-3685

MICHELLE SUH

Pharmacist