Barbara Leaffer, MSW
Clinical Social Worker · San Francisco, CA
Barbara Leaffer, MSW is a clinical social worker with a practice address in San Francisco, California, and NPI 1649347204, issued on Nov 29, 2006. Check the license (California 22111, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Barbara Leaffer
- Credential
- MSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 22111 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2534 Judah St, San Francisco, CA 94122
- Phone
- (415) 449-2900
- Enumerated
- Nov 29, 2006
- Record last updated
- Jul 6, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (415) 449-2901
- Medicare enrollment
- Enrolled (PECOS I20090624000262); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 2534 Judah St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Barbara Leaffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 22111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Barbara Leaffer among 36,261 clinical social worker records in California
Barbara Leaffer, MSW is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 91% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1997 · median 2012 among the 4,008 with a school on file
- Record last updated2009 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,358 clinical social worker records list a practice address in San Francisco
They are 1,358 of the 38,143 NPPES records with a practice address in San Francisco, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36,261 in California → Every provider in San Francisco → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Katherine BakerSan Francisco, CA 941221376607226
- Ashley Brady, LCSWSan Francisco, CA 941221124545694
- Kerry Burns, LCSW, LICSWSan Francisco, CA 941221366513236
- Sarah Calloway, LCSWSan Francisco, CA 941221124207576
- Kylie Dayan, LCSWSan Francisco, CA 941221730798414
- Karen Erlichman, LCSWSan Francisco, CA 941221093010910
- Michael Fillipon, LICSWSan Francisco, CA 941221134767437
- Annette Hess, LCSW 11325San Francisco, CA 941221285092429
Common questions
What is Barbara Leaffer, MSW's NPI number?
Barbara Leaffer, MSW's National Provider Identifier (NPI) is 1649347204, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Leaffer, MSW located?
The NPPES record lists a practice address at 2534 Judah St, San Francisco, CA, 94122. Phone: (415) 449-2900. Providers update this record themselves, so call before visiting.
How can I verify Barbara Leaffer, MSW's license?
NPPES lists California license number 22111, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.