MS. BARBARA LEAFFER MSW
NPI 1649347204
Social Worker - Clinical in San Francisco, CA
About Ms. Barbara Leaffer Msw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. BARBARA LEAFFER MSW (NPI 1649347204) is an individual clinical provider in San Francisco, California, licensed in California (22111) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Barbara Leaffer Msw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Barbara Leaffer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94115
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Jewish Family And Childrens Services
- 8 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94122 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94122
SAN FRANCISCO, CA 94122
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Barbara Leaffer's NPI number?
The NPI number for Barbara Leaffer is 1649347204. It was assigned to this individual provider in the NPPES registry on November 29, 2006. The provider is also known as Basia Leaffer.
Where is Barbara Leaffer located?
Barbara Leaffer practices at 2534 Judah St, San Francisco, CA 94122. The listed phone number is (415) 449-2900.
What is Barbara Leaffer's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Barbara Leaffer enrolled in Medicare?
Yes. Barbara Leaffer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Barbara Leaffer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Barbara Leaffer reassigns Medicare benefits to Jewish Family And Children's Services (San Francisco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Barbara Leaffer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Barbara Leaffer was last updated on July 6, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Barbara Leaffer, MSW · NPI 1649347204
Clinical provider in San Francisco, California. Individual provider, active in the CMS NPPES registry since November 29, 2006.
## Identity
- **NPI:** 1649347204 (Entity type: Individual)
- **Enumerated:** November 29, 2006
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 22111 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2534 JUDAH ST, San Francisco, CA 94122-1438
- **Phone:** (415) 449-2900 · **Fax:** (415) 449-2901
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Jewish Family And Children's Services (NPI 1316963424, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** July 6, 2009
- **Other identifiers:** Medicare PIN BV214Z (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1649347204) · Data from the CMS NPPES public registry.