Layla Callahan, RADT
NPI 1720633589 · Addiction (Substance Use Disorder) Counselor · Grass Valley, CA
Layla Callahan, RADT is a Addiction (Substance Use Disorder) Counselor provider in Grass Valley, CA (NPI 1720633589).
Provider details
- NPI number
- 1720633589
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- RADT
- Sex
- Female
- Sole proprietor
- No
- License
- R1338330219 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 12125 Shale Ridge LnAuburn, CA 95602-8880Phone: (530) 885-1917
Registry dates
- Enumerated
- 2019-08-07
- Last updated
- 2020-06-26
- Certified
- 2020-06-26
Frequently asked questions
- What is Layla Callahan's NPI number?
- Layla Callahan's National Provider Identifier (NPI) is 1720633589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Layla Callahan's specialty?
- Layla Callahan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Layla Callahan located?
- Layla Callahan's practice location on file with NPPES is 159 Brentwood Dr, Grass Valley, CA 95945-5703.
- What is Layla Callahan's phone number?
- The practice phone number listed in the NPPES registry for Layla Callahan is (530) 885-1917.
- Is Layla Callahan's NPI active?
- Yes — Layla Callahan's NPI (1720633589) is active in the NPPES registry as of the last update on 2020-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.