Quick answers
- Which hospitals does Mackenzie Sacks work at?
- Medicare's official clinician data lists Mackenzie Sacks at 4 hospitals: Bronson Methodist Hospital, Mercy Health Saint Mary's, Spectrum Health and University of Michigan Health - West. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mackenzie Sacks see patients?
- Medicare's clinician data lists 2 practice locations, including Grand Rapids, MI. Call before your visit to confirm the address.
- What is Mackenzie Sacks's specialty?
- Medicare lists Physical Medicine and Rehabilitation as the primary specialty.
- Does Mackenzie Sacks accept Medicare assignment?
- Yes. Medicare's clinician data says Mackenzie Sacks accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mackenzie Sacks?
- (616) 840-8000, as listed in official Medicare / NPI Registry data.
- What is Mackenzie Sacks's NPI number?
- 1316526163. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mackenzie Sacks works
Medicare's Facility Affiliation Data lists Mackenzie Sacks at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospital · CCN 230017
- Mercy Health Saint Mary'sGrand Rapids, MI · Acute Care Hospital · CCN 230059
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
- University of Michigan Health - WestWyoming, MI · Acute Care Hospital · CCN 230236
Practice locations
Addresses where Mackenzie Sacks is enrolled with Medicare (CMS data updated 2026-10-02).
- 235 Wealthy St SEGrand Rapids, MI 49503 (616) 840‑8000
- 235 Wealthy St SE, 100 Mary Free Bed Med GpGrand Rapids, MI 49503 (616) 242‑0422
Group practices
Medicare enrollment lists Mackenzie Sacks as a member of this group (CMS data updated 2026-10-02).
- Mary Free Bed Rehabilitation Hospital137 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Michigan →
Other rehabilitation doctors in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Marian University College Of Osteopathic Medicine |
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316526163 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians