Barbara Clark, REGISTERED DIETITIAN
NPI 1205800406 · Registered Dietitian · Martinez, CA
Barbara Clark, REGISTERED DIETITIAN is a Registered Dietitian provider in Martinez, CA (NPI 1205800406).
Provider details
- NPI number
- 1205800406
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- REGISTERED DIETITIAN
- Sex
- Female
- License
- R316866 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2006-02-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Barbara Clark's NPI number?
- Barbara Clark's National Provider Identifier (NPI) is 1205800406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Clark's specialty?
- Barbara Clark is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Barbara Clark located?
- Barbara Clark's practice location on file with NPPES is Va Northern California Health Care System, Martinez, CA 94553.
- What is Barbara Clark's phone number?
- The practice phone number listed in the NPPES registry for Barbara Clark is (925) 372-2000.
- Is Barbara Clark's NPI active?
- Yes — Barbara Clark's NPI (1205800406) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.