MRS. LEAH KLEIN LCSW
NPI 1942484829
Social Worker in Yonkers, NY
About Mrs. Leah Klein Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. LEAH KLEIN LCSW (NPI 1942484829) is an individual social worker in Yonkers, New York, licensed in New York (081251) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Mrs. Leah Klein Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Leah Klein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10003
- Reassigned Medicare billing, New York enrollment
- 62 clinicians in this Medicare group
Brooklyn, NY 11249
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Valera Medical PC
- 315 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Leah Klein's NPI number?
The NPI number for Leah Klein is 1942484829. It was assigned to this individual provider in the NPPES registry on December 27, 2007.
Where is Leah Klein located?
Leah Klein practices at 73 Market St, Yonkers, NY 10710. The listed phone number is (914) 848-8030.
What is Leah Klein's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Leah Klein enrolled in Medicare?
Yes. Leah Klein is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Leah Klein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah Klein reassigns Medicare benefits to 2 organizations: Neighborhood Psychiatric Associates Of Manhattan PLLC (New York, NY) and Valera Medical, P.C. (Brooklyn, NY). Each 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 Leah Klein'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 Leah Klein was last updated on November 30, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.