STEFAN C. MUZIN MD
NPI 1194911545
Physical Medicine & Rehabilitation in Worcester, MA
About Stefan C. Muzin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEFAN C. MUZIN MD (NPI 1194911545) is an individual physical medicine & rehabilitation provider in Worcester, Massachusetts, licensed in Massachusetts (240592) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stefan C. Muzin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stefan Muzin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 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 01605
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 Stefan Muzin's NPI number?
The NPI number for Stefan Muzin is 1194911545. It was assigned to this individual provider in the NPPES registry on September 19, 2007.
Where is Stefan Muzin located?
Stefan Muzin practices at 119 Belmont St Department Of Orthopedics, Worcester, MA 01605. The listed phone number is (888) 244-6094.
What is Stefan Muzin's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Stefan Muzin enrolled in Medicare?
Yes. Stefan Muzin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stefan Muzin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stefan Muzin reassigns Medicare benefits to Beth Israel Deaconess Medical Center, Inc. (Boston, 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 Stefan Muzin'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 Stefan Muzin was last updated on June 16, 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.