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Edit this profileWhere to find Mackenzie S. Johnson, PA-C
- Muskegon location main office
1670 E Sherman Blvd Ste 100, Muskegon, MI 49444 - Grandville location
3457 Yellowstone Dr SW, Grandville, MI 49418
About Mackenzie Johnson
Mackenzie S. Johnson, PA-C is a physician assistant practicing in Muskegon, MI. According to Medicare claims data, Mackenzie cared for 57 Medicare patients across 58 services. The services billed most often include new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, emergency department visit with high level of medical decision making, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1942992508.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (231) 672-3600
- Email not available
Practice Locations
1670 E SHERMAN BLVD STE 100
Muskegon, MI 49444
3457 Yellowstone Dr SW
Grandville, MI 49418
Procedures Most Often Billed to Medicare
58 services · 57 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
27 | As often as other peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
17 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
14 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other physician assistants in Muskegon 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Mackenzie S. Johnson specialize in?
Mackenzie S. Johnson is a physician assistant in Muskegon, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mackenzie S. Johnson located?
Mackenzie S. Johnson is listed at 1670 E Sherman Blvd Ste 100, Muskegon, MI 49444. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mackenzie S. Johnson's phone number?
The number on file is (231) 672-3600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mackenzie S. Johnson's NPI number?
Mackenzie S. Johnson's National Provider Identifier is 1942992508. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mackenzie S. Johnson train?
Mackenzie S. Johnson attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Mackenzie S. Johnson been practicing?
Mackenzie S. Johnson has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What does Mackenzie S. Johnson do most often?
According to Medicare billing data, Mackenzie S. Johnson the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mackenzie S. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mackenzie S. Johnson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.