Doctor profile · Federal record
Dr. Mackenzie Johnson, PA-C
Physician Assistant · Muskegon, MI
- NPI 1942992508
- Accepts Medicare
- 4 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1670 E Sherman Blvd Ste 100
Muskegon, MI 494441863
(231) 672-3600
fax (231) 672-3601 - Additional location
-
3457 Yellowstone Dr Sw
Grandville, MI 494181966
(616) 450-8569
Credentials & registration
- NPI registered
- May 2023 — 3 yrs on file
- Profile last updated
- September 26, 2023
- Year of graduation
- 2022 — 4 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Michigan #5315236633
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942992508. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
43
Distinct HCPCS
2
Medicare allowed
$4,389
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 31 | 31 | $89 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $135 |
In context: peer comparison
Among 49 peers in this city , average services per provider: 47. This provider delivers 0.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
77
Patients
76
Total drug cost
$1,128
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 21 | 20 | $147 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 17 | 17 | $515 |
| Prednisone | Generic | 15 | 15 | $33 |
| Azelastine Hcl | Generic | 13 | 13 | $376 |
| Cephalexin | Generic | 11 | 11 | $57 |
Frequently asked questions
What is Dr. Mackenzie Johnson's medical specialty?
Dr. Mackenzie Johnson practices Physician Assistant in Muskegon, MI.
Where does Dr. Mackenzie Johnson practice?
Dr. Mackenzie Johnson practices at 1670 E Sherman Blvd Ste 100, Muskegon, MI 494441863. Office phone: 2316723600.
What is Dr. Mackenzie Johnson's NPI?
Dr. Mackenzie Johnson's National Provider Identifier (NPI) is 1942992508, issued by NPPES.
Does Dr. Mackenzie Johnson accept Medicare assignment?
Yes. Dr. Mackenzie Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mackenzie Johnson commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.