IndividualActive
Diane Gerstler, LCSW
NPI 1639387400 · Clinical Social Worker · Berkeley, CA
Diane Gerstler, LCSW is a Clinical Social Worker provider in Berkeley, CA (NPI 1639387400).
Provider details
- NPI number
- 1639387400
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 18831 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 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
2041 Bancroft Way
Ste 307
Berkeley, CA 94704-1405
Phone: (510) 869-3790
Fax: (510) 649-1133
Street-level locationGet directions
Mailing address
2041 Bancroft Way
Berkeley, CA 94704-1405
Registry dates
- Enumerated
- 2007-05-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diane Gerstler's NPI number?
- Diane Gerstler's National Provider Identifier (NPI) is 1639387400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Gerstler's specialty?
- Diane Gerstler is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diane Gerstler located?
- Diane Gerstler's practice location on file with NPPES is 2041 Bancroft Way, Berkeley, CA 94704-1405.
- What is Diane Gerstler's phone number?
- The practice phone number listed in the NPPES registry for Diane Gerstler is (510) 869-3790.
- Is Diane Gerstler's NPI active?
- Yes — Diane Gerstler's NPI (1639387400) 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.