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AMBER TRETHEWEY
NPI 1881152098
Adult Companion in Grass Valley, CA

Active since March 06, 2019
16573 AUBURN RD, GRASS VALLEY, CA 95949(530) 273-0631 Get Directions Write a Review

NPPES record last updated: April 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 14, 2026, Mar 6, 2019 (2 updates tracked since 2019).

About Amber Trethewey NPPES

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

AMBER TRETHEWEY (NPI 1881152098) is an individual adult companion provider in Grass Valley, California and active in the NPI registry since March 2019.

NPPES Registry Identity

NPI1881152098
Entity TypeIndividualFemale
Primary Taxonomy372600000X
Provider Legal NameAMBER TRETHEWEY
Location Address16573 AUBURN RDGrass Valley, CA 95949-8762
Mailing Address16573 Auburn RdGrass Valley, CA 95949-8762 · (530) 273-0631
Phone(530) 273-0631
Sole ProprietorNo
Enumeration DateMarch 6, 2019
Last NPPES UpdateApril 14, 20262 updates tracked since enumeration
NPPES CertifiedApril 14, 2026
✔ NPI 1881152098 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.
16573 AUBURN RD, Grass Valley, CA 95949
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Other Providers at the Same Location NPPES 13

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

ERIN JOHNSTON PSS
Counselor (Mental Health)
16573 AUBURN RD
GRASS VALLEY, CA 95949
Nevada County (530) 273-0631
HEATHER LYN JENSEN
Peer Specialist
16573 AUBURN RD
GRASS VALLEY, CA 95949
Nevada County (530) 273-0631
MS. ANNA L WARTAN BA
Peer Specialist
16573 AUBURN RD
GRASS VALLEY, CA 95949
Nevada County (530) 273-0631
CHELSEA LEIGH COCKMAN
Case Manager/Care Coordinator
16573 AUBURN RD
GRASS VALLEY, CA 95949
Nevada County (530) 273-0631
NILA MARIE ADAME CMPSS
Peer Specialist
16573 AUBURN RD
GRASS VALLEY, CA 95949
Nevada County (530) 205-8824
INSIGHT RESPITE CENTER
Respite Care
16573 AUBURN RD
GRASS VALLEY, CA 95949
Nevada County (530) 273-0631
DANIEL LOU ERNESTO
Peer Specialist
16573 AUBURN RD
GRASS VALLEY, CA 95949
Nevada County (530) 273-0631
MATTHEW WILSON-DALEY
Case Manager/Care Coordinator
16573 AUBURN RD
GRASS VALLEY, CA 95949
Nevada County (530) 273-0631

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 Amber Trethewey's NPI number?

The NPI number for Amber Trethewey is 1881152098. It was assigned to this individual provider in the NPPES registry on March 6, 2019.

Where is Amber Trethewey located?

Amber Trethewey practices at 16573 Auburn Rd, Grass Valley, CA 95949. The listed phone number is (530) 273-0631.

What is Amber Trethewey'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 Amber Trethewey was last updated on April 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.