Karen Tsai, LCSW
NPI 1346621901 · Clinical Social Worker · San Francisco, CA
Karen Tsai, LCSW is a Clinical Social Worker provider in San Francisco, CA (NPI 1346621901).
Provider details
- NPI number
- 1346621901
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- ASW 64075 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Mailing address
Additional practice locations (1)
- 2222 Bancroft WayBerkeley, CA 94720Phone: (510) 642-9494
Registry dates
- Enumerated
- 2015-06-09
- Last updated
- 2025-08-08
- Certified
- 2025-08-08
Frequently asked questions
- What is Karen Tsai's NPI number?
- Karen Tsai's National Provider Identifier (NPI) is 1346621901, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Tsai's specialty?
- Karen Tsai is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Karen Tsai located?
- Karen Tsai's practice location on file with NPPES is 582 Market St Ste 716, San Francisco, CA 94104-5308.
- What is Karen Tsai's phone number?
- The practice phone number listed in the NPPES registry for Karen Tsai is (650) 741-0950.
- Is Karen Tsai's NPI active?
- Yes — Karen Tsai's NPI (1346621901) is active in the NPPES registry as of the last update on 2025-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.