IndividualActive
Joanne Layton
NPI 1356698864 · Mental Health Counselor · Martinez, CA
Joanne Layton is a Mental Health Counselor provider in Martinez, CA (NPI 1356698864).
Provider details
- NPI number
- 1356698864
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 68080 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
1340 Arnold Dr
Martinez, CA 94553-4189
Phone: (925) 957-5131
Street-level locationGet directions
Mailing address
1849 Yolanda Cir
Clayton, CA 94517-1063
Registry dates
- Enumerated
- 2012-08-14
- Last updated
- 2012-08-14
Frequently asked questions
- What is Joanne Layton's NPI number?
- Joanne Layton's National Provider Identifier (NPI) is 1356698864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Layton's specialty?
- Joanne Layton is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Joanne Layton located?
- Joanne Layton's practice location on file with NPPES is 1340 Arnold Dr, Martinez, CA 94553-4189.
- What is Joanne Layton's phone number?
- The practice phone number listed in the NPPES registry for Joanne Layton is (925) 957-5131.
- Is Joanne Layton's NPI active?
- Yes — Joanne Layton's NPI (1356698864) is active in the NPPES registry as of the last update on 2012-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.