MR. LEONID NEWHOUSE MSW
NPI 1215113808
Social Worker - Clinical in Quincy, MA
About Mr. Leonid Newhouse Msw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. LEONID NEWHOUSE MSW (NPI 1215113808) is an individual clinical provider in Quincy, Massachusetts, licensed in Massachusetts (1022200) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Leonid Newhouse Msw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Leonid Newhouse reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 118 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02169 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
QUINCY, MA 02169
QUINCY, MA 02169
QUINCY, MA 02169
QUINCY, MA 02169
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 Leonid Newhouse's NPI number?
The NPI number for Leonid Newhouse is 1215113808. It was assigned to this individual provider in the NPPES registry on January 14, 2008.
Where is Leonid Newhouse located?
Leonid Newhouse practices at 114 Whitwell St, Quincy, MA 02169. The listed phone number is (617) 376-5658.
What is Leonid Newhouse's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Leonid Newhouse enrolled in Medicare?
Yes. Leonid Newhouse is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Leonid Newhouse's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leonid Newhouse reassigns Medicare benefits to 2 organizations: Beth Israel Deaconess Medical Center, Inc. (Boston, MA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). 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 Leonid Newhouse'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 Leonid Newhouse was last updated on September 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.