MARIANNE MOUSIGIAN M.D.
NPI 1265812325
Physical Medicine & Rehabilitation in Grand Rapids, MI
About Marianne Mousigian M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIANNE MOUSIGIAN M.D. (NPI 1265812325) is an individual physical medicine & rehabilitation provider in Grand Rapids, Michigan, licensed in Michigan (4301107764) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marianne Mousigian M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marianne Mousigian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 209 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 Marianne Mousigian's NPI number?
The NPI number for Marianne Mousigian is 1265812325. It was assigned to this individual provider in the NPPES registry on June 4, 2015.
Where is Marianne Mousigian located?
Marianne Mousigian practices at 235 Wealthy St SE, Grand Rapids, MI 49503. The listed phone number is (616) 840-8000.
What is Marianne Mousigian's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Marianne Mousigian enrolled in Medicare?
Yes. Marianne Mousigian is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marianne Mousigian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marianne Mousigian reassigns Medicare benefits to Mary Free Bed Rehabilitation Hospital (Grand Rapids, MI). 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 Marianne Mousigian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marianne Mousigian accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 3 other insurers list Marianne Mousigian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Marianne Mousigian was last updated on March 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.