Quick answers
- Which hospitals does Ryan M. Mackenzie work at?
- Medicare's official clinician data lists Ryan M. Mackenzie at 1 hospital: Ascension Providence Hospital, Southfield and Novi…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan M. Mackenzie see patients?
- Medicare's clinician data lists 1 practice location in Farmingtn Hls, MI. Call before your visit to confirm the address.
- What is Ryan M. Mackenzie's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Ryan M. Mackenzie accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan M. Mackenzie 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 Ryan M. Mackenzie?
- (248) 478-5512, as listed in official Medicare / NPI Registry data.
- What is Ryan M. Mackenzie's NPI number?
- 1891570453. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan M. Mackenzie works
Medicare's Facility Affiliation Data lists Ryan M. Mackenzie at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Providence Hospital, Southfield and Novi…Southfield, MI · Acute Care Hospital · CCN 230019
Practice locations
Addresses where Ryan M. Mackenzie is enrolled with Medicare (CMS data updated 2026-10-02).
- 27555 Middlebelt RdFarmingtn Hls, MI 48334 (248) 478‑5512
Group practices
Medicare enrollment lists Ryan M. Mackenzie as a member of this group (CMS data updated 2026-10-02).
- Associates in Neurology PC13 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Farmingtn Hls
Clinicians with the same Medicare primary specialty in Farmingtn Hls, MI — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891570453 |
| 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