NPPES file of Aug 9, 2026

Mackenzie Sue Johnson, PA-C

Physician Assistant · Muskegon, MI

Mackenzie Sue Johnson, PA-C is a physician assistant with a practice address in Muskegon, Michigan, and NPI 1942992508, issued on May 23, 2023. Check the license (Michigan 5315236633, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942992508
Name
Mackenzie Sue Johnson
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
5315236633 MI
Self-reported in NPPES; status is on the state search
Practice location
1670 E Sherman Blvd Ste 100, Muskegon, MI 49444
Phone
(231) 672-3600
Enumerated
May 23, 2023
Record last updated
Sep 26, 2023
Fax
(231) 672-3601
Medicare enrollment
Enrolled (PECOS I20231004001772); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1670 E Sherman Blvd Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nehemiah Ingram, FNPNurse Practitioner1871336453
  2. Madelyn Miles, PA-CPhysician Assistant1669145033

Verify Mackenzie Sue Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 5315236633
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

68% fewer Medicare Part D claims than the average physician assistant in 2024

264 Medicare Part D claims for 174 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Mackenzie Johnson264
  2. Specialty average830

Most prescribed

  1. Prednisone34 claims
  2. Amoxicillin-Clavulanate Potass27 claims
  3. Cephalexin20 claims
  4. Azelastine Hcl17 claims
  5. Azithromycin15 claims
  6. Albuterol Sulfate Hfa12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Ecs Western Michigan PCHastings, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mackenzie Sue Johnson among 6,989 physician assistant records in Michigan

Mackenzie Sue Johnson, PA-C is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.

  • NPI issued2023 · 80% of these records are older, 14% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2022 · median 2017 among the 4,739 with a school on file
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

139 physician assistant records list a practice address in Muskegon

They are 139 of the 2,646 NPPES records with a practice address in Muskegon, and 6,989 physician assistant records in Michigan.

The 8 physician assistant records with the nearest ZIP codes

  1. Brian Akre, PACNorton Shores, MI 494441629055405
  2. Angela Beezley, PACNorton Shores, MI 494441669424719
  3. Daniel Caldwell, PACMuskegon, MI 494441548247323
  4. Matthew Dundon, P.A.C.Muskegon, MI 494441770546194
  5. John Foss, PA-CMuskegon, MI 494441285680991
  6. Adam Geller, PACMuskegon, MI 494441285633172
  7. Dean Kendziera, PA-CMuskegon, MI 494441750382735
  8. Holly Knowles, PA-CMuskegon, MI 494441073549044

Common questions

What is Mackenzie Sue Johnson, PA-C's NPI number?

Mackenzie Sue Johnson, PA-C's National Provider Identifier (NPI) is 1942992508, issued on May 23, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Mackenzie Sue Johnson, PA-C located?

The NPPES record lists a practice address at 1670 E Sherman Blvd Ste 100, Muskegon, MI, 49444. Phone: (231) 672-3600. Providers update this record themselves, so call before visiting.

How can I verify Mackenzie Sue Johnson, PA-C's license?

NPPES lists Michigan license number 5315236633, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Mackenzie Sue Johnson, PA-C prescribe under Medicare Part D?

In 2024, Mackenzie Sue Johnson, PA-C had 264 Medicare Part D claims for 174 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.