Blair Cowperthwaite
NPI 1144503335 · Social Worker · Martinez, CA
Blair Cowperthwaite is a Social Worker provider in Martinez, CA (NPI 1144503335).
Provider details
- NPI number
- 1144503335
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
14 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Mailing address
Registry dates
- Enumerated
- 2011-09-23
- Last updated
- 2024-02-21
- Certified
- 2024-01-09
Frequently asked questions
- What is Blair Cowperthwaite's NPI number?
- Blair Cowperthwaite's National Provider Identifier (NPI) is 1144503335, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Blair Cowperthwaite's specialty?
- Blair Cowperthwaite is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Blair Cowperthwaite located?
- Blair Cowperthwaite's practice location on file with NPPES is 714 Main St Apt a, Martinez, CA 94553-1121.
- What is Blair Cowperthwaite's phone number?
- The practice phone number listed in the NPPES registry for Blair Cowperthwaite is (510) 559-0148.
- Is Blair Cowperthwaite's NPI active?
- Yes — Blair Cowperthwaite's NPI (1144503335) is active in the NPPES registry as of the last update on 2024-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.