IndividualActive
William Martin
NPI 1457699159 · Mental Health Counselor · Concord, CA
William Martin is a Mental Health Counselor provider in Concord, CA (NPI 1457699159).
Provider details
- NPI number
- 1457699159
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 71814 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(78/100 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
2118 Willow Pass Rd
Suite 500
Concord, CA 94520-2408
Phone: (925) 692-0090
Fax: (925) 692-0091
Street-level locationGet directions
Mailing address
2118 Willow Pass Rd
Concord, CA 94520-2408
Registry dates
- Enumerated
- 2013-01-30
- Last updated
- 2013-02-04
Frequently asked questions
- What is William Martin's NPI number?
- William Martin's National Provider Identifier (NPI) is 1457699159, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Martin's specialty?
- William Martin is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is William Martin located?
- William Martin's practice location on file with NPPES is 2118 Willow Pass Rd, Concord, CA 94520-2408.
- What is William Martin's phone number?
- The practice phone number listed in the NPPES registry for William Martin is (925) 692-0090.
- Is William Martin's NPI active?
- Yes — William Martin's NPI (1457699159) is active in the NPPES registry as of the last update on 2013-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.