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Diane Fjelstad, LCSW
NPI 1811036866 · Clinical Social Worker · San Jose, CA
Diane Fjelstad, LCSW is a Clinical Social Worker provider in San Jose, CA (NPI 1811036866).
Provider details
- NPI number
- 1811036866
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCS 9742 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
650 S Bascom Ave
San Jose, CA 95128-2601
Phone: (408) 793-5870
Fax: (408) 275-6716
Street-level locationGet directions
Mailing address
650 S Bascom Ave
San Jose, CA 95128-2601
Registry dates
- Enumerated
- 2007-02-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diane Fjelstad's NPI number?
- Diane Fjelstad's National Provider Identifier (NPI) is 1811036866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Fjelstad's specialty?
- Diane Fjelstad is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diane Fjelstad located?
- Diane Fjelstad's practice location on file with NPPES is 650 S Bascom Ave, San Jose, CA 95128-2601.
- What is Diane Fjelstad's phone number?
- The practice phone number listed in the NPPES registry for Diane Fjelstad is (408) 793-5870.
- Is Diane Fjelstad's NPI active?
- Yes — Diane Fjelstad's NPI (1811036866) 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.