BRETT SASSACK DO
NPI 1588239776
Physical Medicine & Rehabilitation in Ann Arbor, MI
About Brett Sassack Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRETT SASSACK DO (NPI 1588239776) is an individual physical medicine & rehabilitation provider in Ann Arbor, Michigan, licensed in Michigan (5101028541) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains a secondary practice location in Ann Arbor.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Brett Sassack Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Brett Sassack reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ann Arbor, MI 48108
- Reassigned Medicare billing, Michigan enrollment
- 2,377 clinicians in this Medicare group
Wyandotte, MI 48192
- Reassigned Medicare billing, Michigan enrollment
- 6 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Michigan Health System
Acute Care Hospitals · Ann Arbor, MIHenry Ford Health Wyandotte Hospital
Acute Care Hospitals · Wyandotte, MIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANN ARBOR, MI 48108
ANN ARBOR, MI 48108
ANN ARBOR, MI 48108
ANN ARBOR, MI 48108
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 Brett Sassack's NPI number?
The NPI number for Brett Sassack is 1588239776. It was assigned to this individual provider in the NPPES registry on May 21, 2021.
Where is Brett Sassack located?
Brett Sassack practices at 325 E Eisenhower Pkwy, Ann Arbor, MI 48108. The listed phone number is (734) 936-7175.
What is Brett Sassack's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Brett Sassack enrolled in Medicare?
Yes. Brett Sassack is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Brett Sassack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brett Sassack reassigns Medicare benefits to 2 organizations: Regents Of The University Of Michigan (Ann Arbor, MI) and Great Lakes Physical Medicine & Rehabilitation PC (Wyandotte, MI). 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 Brett Sassack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brett Sassack 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 1 other insurer list Brett Sassack 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.
Is Brett Sassack affiliated with any hospitals?
According to CMS data, Brett Sassack is affiliated with University Of Michigan Health System and Henry Ford Health Wyandotte Hospital.
When was this NPI record last updated?
The NPPES record for Brett Sassack was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.