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LEAH ROSENZWEIG MED
NPI 1629707344
Counselor - Mental Health in Cambridge, MA

Active since June 08, 2022PECOS Enrolled
349 BROADWAY, CAMBRIDGE, MA 02139(617) 661-3991 Get Directions Write a Review

NPPES record last updated: June 8, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Leah Rosenzweig Med NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEAH ROSENZWEIG MED (NPI 1629707344) is an individual mental health provider in Cambridge, Massachusetts and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1629707344
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameLEAH ROSENZWEIGCredential: MED
Location Address349 BROADWAYCambridge, MA 02139-1715
Mailing Address161 S Huntington Ave Apt 346Jamaica Plain, MA 02130-4833 · (773) 420-6136
Phone(617) 661-3991
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJune 8, 2022
NPPES CertifiedJune 8, 2022
✔ NPI 1629707344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
349 BROADWAY, Cambridge, MA 02139
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leah Rosenzweig Med is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3577023100
PECOS Enrollment IDI20260902004975
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Leah Rosenzweig reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Institute For Health And Recovery Inc
4.0 mi
Community/Behavioral Health
75 N BEACON ST STE 2
Watertown, MA 02472
  • Reassigned Medicare billing, Massachusetts enrollment
  • 8 clinicians in this Medicare group
NPI 1871893081 (617) 661-3991

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.

BLANCA O HUARI
Social Worker (Clinical)
349 BROADWAY
CAMBRIDGE, MA 02139
Middlesex County (781) 915-4580
ANDREA YAMILLE RUIZ LSW
Counselor (Professional)
349 BROADWAY
CAMBRIDGE, MA 02139
Middlesex County (617) 661-3991
RACHAEL DUDA
Counselor (Mental Health)
349 BROADWAY
CAMBRIDGE, MA 02139
Middlesex County (617) 945-3049
MR. CHRISTOPHER LAURENCE GREEN MSW, L.I.C.S.W.
Social Worker (Clinical)
349 BROADWAY
CAMBRIDGE, MA 02139
Middlesex County (617) 661-3991
MELISSA BATES
Counselor (Mental Health)
349 BROADWAY
CAMBRIDGE, MA 02139
Middlesex County (978) 482-5194
KATHERINE RAINWATER LICSW
Social Worker (Clinical)
349 BROADWAY
CAMBRIDGE, MA 02139
Middlesex County (617) 661-3991
MS. TAMA J VINCENT MA
Counselor (Mental Health)
349 BROADWAY
CAMBRIDGE, MA 02139
Middlesex County (617) 661-3991
MS. OMER ASTAR MENDELSON LICSW
Social Worker (Clinical)
349 BROADWAY
CAMBRIDGE, MA 02139
Middlesex County (857) 285-6272

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 Rosenzweig's NPI number?

The NPI number for Leah Rosenzweig is 1629707344. It was assigned to this individual provider in the NPPES registry on June 8, 2022.

Where is Leah Rosenzweig located?

Leah Rosenzweig practices at 349 Broadway, Cambridge, MA 02139. The listed phone number is (617) 661-3991.

What is Leah Rosenzweig's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Leah Rosenzweig enrolled in Medicare?

Yes. Leah Rosenzweig is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Leah Rosenzweig's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leah Rosenzweig reassigns Medicare benefits to Institute For Health And Recovery Inc (Watertown, MA). 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 Leah Rosenzweig'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 Rosenzweig was last updated on June 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.