Quick answers
- Which hospitals does Mackenzie Johnson work at?
- Medicare's official clinician data lists Mackenzie Johnson at 2 hospitals: Corewell Health Pennock Hospital and Spectrum Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mackenzie Johnson see patients?
- Medicare's clinician data lists 2 practice locations, including Hastings, MI and Greenville, MI. Call before your visit to confirm the address.
- What is Mackenzie Johnson's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mackenzie Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Mackenzie Johnson 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 Johnson?
- (269) 948-3360, as listed in official Medicare / NPI Registry data.
- What is Mackenzie Johnson's NPI number?
- 1942992508. 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 Johnson works
Medicare's Facility Affiliation Data lists Mackenzie Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Corewell Health Pennock HospitalHastings, MI · Critical Access Hospital · CCN 231339
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
Practice locations
Addresses where Mackenzie Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1108 W State StHastings, MI 49058 (269) 948‑3360
- 615 S Bower StGreenville, MI 48838 (866) 542‑7910
Group practices
Medicare enrollment lists Mackenzie Johnson as a member of this group (CMS data updated 2026-10-02).
- Ecs Western Michigan PC201 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Hastings
Clinicians with the same Medicare primary specialty in Hastings, MI — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942992508 |
| 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