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Jeff Clark, DC
NPI 1356056162 · Chiropractor · Walnut Creek, CA
Jeff Clark, DC is a Chiropractor provider in Walnut Creek, CA (NPI 1356056162).
Provider details
- NPI number
- 1356056162
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- No
- License
- 36418 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
1756 Lacassie Ave
Walnut Creek, CA 94596-7098
Phone: (925) 357-3080
Street-level locationGet directions
Mailing address
106 Estates Dr
Orinda, CA 94563-3406
Registry dates
- Enumerated
- 2023-01-16
- Last updated
- 2023-01-16
- Certified
- 2023-01-16
Frequently asked questions
- What is Jeff Clark's NPI number?
- Jeff Clark's National Provider Identifier (NPI) is 1356056162, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeff Clark's specialty?
- Jeff Clark is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Jeff Clark located?
- Jeff Clark's practice location on file with NPPES is 1756 Lacassie Ave, Walnut Creek, CA 94596-7098.
- What is Jeff Clark's phone number?
- The practice phone number listed in the NPPES registry for Jeff Clark is (925) 357-3080.
- Is Jeff Clark's NPI active?
- Yes — Jeff Clark's NPI (1356056162) is active in the NPPES registry as of the last update on 2023-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.