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MS. SIMONE RENEE GREGSTON
NPI 1780535245
Adult Companion in Fairfield, CA

Active since February 09, 2026
4820 BUSINESS CENTER DR STE 120, FAIRFIELD, CA 94534(707) 399-3830 Get Directions Write a Review

NPPES record last updated: February 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Simone Renee Gregston NPPES

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

MS. SIMONE RENEE GREGSTON (NPI 1780535245) is an individual adult companion provider in Fairfield, California and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1780535245
Entity TypeIndividualFemale
Primary Taxonomy372600000X
Provider Legal NameMS. SIMONE RENEE GREGSTON
Location Address4820 BUSINESS CENTER DR STE 120Fairfield, CA 94534-1910
Mailing Address4820 Business Center Dr Ste 120Fairfield, CA 94534-1910
Phone(707) 399-3830
Sole ProprietorNo
Enumeration DateFebruary 9, 2026
Last NPPES UpdateFebruary 11, 2026
NPPES CertifiedFebruary 11, 2026
✔ NPI 1780535245 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdult CompanionNursing Service Related Providers
Taxonomy Code372600000X
Definition
An individual who provides supervision, socialization, and non-medical care to a functionally impaired adult. Companions may assist or supervise the individual with such tasks as meal preparation, laundry and shopping, but do not perform these activities as discrete services. These services are provided in accordance with a therapeutic goal in the plan of care.
4820 BUSINESS CENTER DR STE 120, Fairfield, CA 94534
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Other Providers at the Same Location NPPES 7

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

KEVIN ALLEN FOY
Adult Companion
4820 BUSINESS CENTER DR STE 120
FAIRFIELD, CA 94534
Solano County (707) 652-7317
CAMINAR
Community/Behavioral Health
4820 BUSINESS CENTER DR STE 120
FAIRFIELD, CA 94534
Solano County (707) 652-7316
KARI RUTH BAKER
Peer Specialist
4820 BUSINESS CENTER DR STE 120
FAIRFIELD, CA 94534
Solano County (707) 652-7341
NATASHA LE'CINDA FONTENO
Adult Companion
4820 BUSINESS CENTER DR STE 120
FAIRFIELD, CA 94534
Solano County (707) 304-7360
TONI ELIZABETH HAY
Adult Companion
4820 BUSINESS CENTER DR STE 120
FAIRFIELD, CA 94534
Solano County (707) 648-8121
ROXANNE MICHELLE RODEZNOMEDEARIS
Adult Companion
4820 BUSINESS CENTER DR STE 120
FAIRFIELD, CA 94534
Solano County (707) 595-8430
RITA JEANINE KARIOLICH BSW
Adult Companion
4820 BUSINESS CENTER DR STE 120
FAIRFIELD, CA 94534
Solano County (707) 595-8586

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 Simone Gregston's NPI number?

The NPI number for Simone Gregston is 1780535245. It was assigned to this individual provider in the NPPES registry on February 9, 2026.

Where is Simone Gregston located?

Simone Gregston practices at 4820 Business Center Dr Ste 120, Fairfield, CA 94534. The listed phone number is (707) 399-3830.

What is Simone Gregston's specialty?

The primary specialty registered for this NPI is Adult Companion with taxonomy code 372600000X.

When was this NPI record last updated?

The NPPES record for Simone Gregston was last updated on February 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.