Leena Osteraas, L.C.S.W.
NPI 1891850715 · Clinical Social Worker · San Francisco, CA
Leena Osteraas, L.C.S.W. is a Clinical Social Worker provider in San Francisco, CA (NPI 1891850715).
Provider details
- NPI number
- 1891850715
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- L.C.S.W.
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCS20022 (CA)
Specialties & taxonomies
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
- 2006-12-22
- Last updated
- 2008-12-10
Frequently asked questions
- What is Leena Osteraas's NPI number?
- Leena Osteraas's National Provider Identifier (NPI) is 1891850715, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leena Osteraas's specialty?
- Leena Osteraas is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Leena Osteraas located?
- Leena Osteraas's practice location on file with NPPES is 3628 Sacramento St, San Francisco, CA 94118-1729.
- What is Leena Osteraas's phone number?
- The practice phone number listed in the NPPES registry for Leena Osteraas is (415) 235-2156.
- Is Leena Osteraas's NPI active?
- Yes — Leena Osteraas's NPI (1891850715) is active in the NPPES registry as of the last update on 2008-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.