Joan Schretlen, M.S.W.
NPI 1518152354 · Clinical Social Worker · San Francisco, CA
Joan Schretlen, M.S.W. is a Clinical Social Worker provider in San Francisco, CA (NPI 1518152354).
Provider details
- NPI number
- 1518152354
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- M.S.W.
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCS10559 (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
18 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
- 2007-09-13
- Last updated
- 2007-09-13
Frequently asked questions
- What is Joan Schretlen's NPI number?
- Joan Schretlen's National Provider Identifier (NPI) is 1518152354, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Schretlen's specialty?
- Joan Schretlen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Joan Schretlen located?
- Joan Schretlen's practice location on file with NPPES is 1375 Sutter St Ste 304, San Francisco, CA 94109-5466.
- What is Joan Schretlen's phone number?
- The practice phone number listed in the NPPES registry for Joan Schretlen is (415) 346-7574.
- Is Joan Schretlen's NPI active?
- Yes — Joan Schretlen's NPI (1518152354) is active in the NPPES registry as of the last update on 2007-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.