Janet Kass, LCSW
NPI 1013018647 · Clinical Social Worker · Mill Valley, CA
Janet Kass, LCSW is a Clinical Social Worker provider in Mill Valley, CA (NPI 1013018647).
Provider details
- NPI number
- 1013018647
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- R032617-1 (NY)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-09-26
- Last updated
- 2026-01-16
- Certified
- 2026-01-16
Frequently asked questions
- What is Janet Kass's NPI number?
- Janet Kass's National Provider Identifier (NPI) is 1013018647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Kass's specialty?
- Janet Kass is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Janet Kass located?
- Janet Kass's practice location on file with NPPES is 222 Mountain View Ave, Mill Valley, CA 94941-1743.
- What is Janet Kass's phone number?
- The practice phone number listed in the NPPES registry for Janet Kass is (510) 417-6732.
- Is Janet Kass's NPI active?
- Yes — Janet Kass's NPI (1013018647) is active in the NPPES registry as of the last update on 2026-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.