IndividualActive
Joseph Gardner, LCSW
NPI 1467998948 · Clinical Social Worker · Clayton, CA
Joseph Gardner, LCSW is a Clinical Social Worker provider in Clayton, CA (NPI 1467998948).
Provider details
- NPI number
- 1467998948
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCS 20652 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
11540 Marsh Creek Rd
Clayton, CA 94517-9759
Phone: (909) 649-4641
Street-level locationGet directions
Mailing address
Po Box 5262
Napa, CA 94581-0262
Registry dates
- Enumerated
- 2017-01-09
- Last updated
- 2017-01-09
Frequently asked questions
- What is Joseph Gardner's NPI number?
- Joseph Gardner's National Provider Identifier (NPI) is 1467998948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Gardner's specialty?
- Joseph Gardner is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Joseph Gardner located?
- Joseph Gardner's practice location on file with NPPES is 11540 Marsh Creek Rd, Clayton, CA 94517-9759.
- What is Joseph Gardner's phone number?
- The practice phone number listed in the NPPES registry for Joseph Gardner is (909) 649-4641.
- Is Joseph Gardner's NPI active?
- Yes — Joseph Gardner's NPI (1467998948) is active in the NPPES registry as of the last update on 2017-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.