LAYLA R CALLAHAN RADT
NPI 1720633589
Counselor - Addiction (Substance Use Disorder) in Grass Valley, CA

Active since August 07, 2019
159 BRENTWOOD DR, GRASS VALLEY, CA 95945(530) 885-1917 Get Directions Write a Review

NPPES record last updated: June 26, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 26, 2020, Aug 7, 2019 (2 updates tracked since 2019).

About Layla R Callahan Radt NPPES

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

LAYLA R CALLAHAN RADT (NPI 1720633589) is an individual addiction (substance use disorder) provider in Grass Valley, California, licensed in California (R1338330219) and active in the NPI registry since August 2019. She maintains a secondary practice location in Auburn.

NPPES Registry Identity

NPI1720633589
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameLAYLA R CALLAHANCredential: RADT
Location Address159 BRENTWOOD DRGrass Valley, CA 95945-5703
Mailing Address159 Brentwood DrGrass Valley, CA 95945-5703 · (530) 885-1917
Sole ProprietorNo
Enumeration DateAugust 7, 2019
Last NPPES UpdateJune 26, 20202 updates tracked since enumeration
NPPES CertifiedJune 26, 2020
NPI 1720633589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License Licensed in CA · R1338330219
159 BRENTWOOD DR, Grass Valley, CA 95945

Secondary Practice Location 1

Location 112125 Shale Ridge LnAuburn, CA 95602-8880 · Phone (530) 885-1917

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.

Counselor (Addiction (Substance Use Disorder))
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Counselor (Addiction (Substance Use Disorder))
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Counselor (Addiction (Substance Use Disorder))
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Technician
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Counselor (Addiction (Substance Use Disorder))
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Counselor (Addiction (Substance Use Disorder))
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Counselor
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Counselor (Addiction (Substance Use Disorder))
159 BRENTWOOD DR
GRASS VALLEY, CA 95945

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 Layla Callahan's NPI number?

The NPI number for Layla Callahan is 1720633589. It was assigned to this individual provider in the NPPES registry on August 7, 2019.

Where is Layla Callahan located?

Layla Callahan practices at 159 Brentwood Dr, Grass Valley, CA 95945. The listed phone number is (530) 885-1917.

What is Layla Callahan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Layla Callahan was last updated on June 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.