DR. ZOHAR SHAMASH M.D.
NPI 1316198773
Pediatrics - Pediatric Emergency Medicine in Worcester, MA
About Dr. Zohar Shamash M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZOHAR SHAMASH M.D. (NPI 1316198773) is an individual pediatric emergency medicine provider in Worcester, Massachusetts, licensed in Massachusetts (260938) and active in the NPI registry since October 2008. She 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)
Dr. Zohar Shamash M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Zohar Shamash reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- Medicare enrollment name: Newton Wellesley Emergency Medicine Specialist PC
- 46 clinicians in this Medicare group
Salem, NH 03079
- Reassigned Medicare billing, Massachusetts enrollment
- 181 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.
WORCESTER, MA 01655
WORCESTER, MA 01655
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 Zohar Shamash's NPI number?
The NPI number for Zohar Shamash is 1316198773. It was assigned to this individual provider in the NPPES registry on October 3, 2008.
Where is Zohar Shamash located?
Zohar Shamash practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (774) 442-2599.
What is Zohar Shamash's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Zohar Shamash enrolled in Medicare?
Yes. Zohar Shamash is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Zohar Shamash's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zohar Shamash reassigns Medicare benefits to 2 organizations: Newton Wellesley Emergency Medicine Specialist, P .C. (Newton, MA) and Mass General Brigham Medical Group, Inc. (Salem, NH). 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 Zohar Shamash'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 Zohar Shamash was last updated on April 18, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.