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David Hassin, LCSW
NPI 1811241144 · Clinical Social Worker · Oakland, CA
David Hassin, LCSW is a Clinical Social Worker provider in Oakland, CA (NPI 1811241144).
Provider details
- NPI number
- 1811241144
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 26301 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(78/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
3223 Lakeshore Ave
Oakland, CA 94610-2719
Phone: (510) 708-1098
Fax: (510) 382-0776
Street-level locationGet directions
Mailing address
6717 Laird Ave
Oakland, CA 94605-2133
Registry dates
- Enumerated
- 2012-11-08
- Last updated
- 2017-04-13
Frequently asked questions
- What is David Hassin's NPI number?
- David Hassin's National Provider Identifier (NPI) is 1811241144, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Hassin's specialty?
- David Hassin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is David Hassin located?
- David Hassin's practice location on file with NPPES is 3223 Lakeshore Ave, Oakland, CA 94610-2719.
- What is David Hassin's phone number?
- The practice phone number listed in the NPPES registry for David Hassin is (510) 708-1098.
- Is David Hassin's NPI active?
- Yes — David Hassin's NPI (1811241144) is active in the NPPES registry as of the last update on 2017-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.