NPPES file of Aug 9, 2026

Kenneth M. Mackinnon, M.D.

Family Medicine Physician · Freeland, MI

Kenneth M. Mackinnon, M.D. is a family medicine physician with a practice address in Freeland, Michigan, and NPI 1245284124, issued on May 22, 2006. Check the license (Michigan KM048873, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1245284124
Name
Kenneth M. Mackinnon
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
KM048873 MI
Self-reported in NPPES; status is on the state search
Practice location
5694 Midland RD, Freeland, MI 48623
Phone
(989) 695-2123
Enumerated
May 22, 2006
Record last updated
Sep 6, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20060504000688); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1984
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.
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Also registered at 5694 Midland RD

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

  1. Kristin Johnson, P.A.Physician Assistant1265873335
  2. Courtney Kernstock, P.A.-CPhysician Assistant1073050696
  3. Julia Kerwin, MDFamily Medicine Physician1619557956
  4. Katherine Kusowski, DPTOrthopedic Physical Therapist1639675234
  5. Caitlynn McCannClinical Social Worker1871239996
  6. Melissa Murtha, NP-CNurse Practitioner1427337963

Verify Kenneth M. Mackinnon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license KM048873
    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
Open 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.

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84% fewer Medicare Part D claims than the average family medicine physician in 2024

582 Medicare Part D claims for 345 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Kenneth Mackinnon582
  2. Specialty average3,544

Most prescribed

  1. Azithromycin85 claims
  2. Doxycycline Hyclate51 claims
  3. Fluticasone Propionate51 claims
  4. Prednisone51 claims
  5. Nitrofurantoin Mono-Macro49 claims
  6. Cephalexin44 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.

One hospital affiliation

  1. Mymichigan Medical Center MidlandFreeland, MI · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Kenneth M. Mackinnon among 6,013 family medicine physician records in Michigan

Kenneth M. Mackinnon, M.D. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 56% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1984 · median 2008 among the 3,493 with a school on file
  • Record last updated2012 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 family medicine physician records list a practice address in Freeland

They are 4 of the 172 NPPES records with a practice address in Freeland, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Ali Hamade, M.DFreeland, MI 486231871723536
  2. Julia Kerwin, MDFreeland, MI 486231619557956
  3. Walter Rathkamp, M.D.Freeland, MI 486231164406146
  4. Evangeline Ancheta, M.D.Gladwin, MI 486241841215423
  5. Marcelino Barreto, M.D.Gladwin, MI 486241174548747
  6. Renee Fuller, M.D.Gladwin, MI 486241972731370
  7. Daniel Goodin, MDGladwin, MI 486241992119028
  8. Kristen Hyatt, PA-CFarwell, MI 486221952170151

Common questions

What is Kenneth M. Mackinnon, M.D.'s NPI number?

Kenneth M. Mackinnon, M.D.'s National Provider Identifier (NPI) is 1245284124, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth M. Mackinnon, M.D. located?

The NPPES record lists a practice address at 5694 Midland RD, Freeland, MI, 48623. Phone: (989) 695-2123. Providers update this record themselves, so call before visiting.

How can I verify Kenneth M. Mackinnon, M.D.'s license?

NPPES lists Michigan license number KM048873, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kenneth M. Mackinnon, M.D. prescribe under Medicare Part D?

In 2024, Kenneth M. Mackinnon, M.D. had 582 Medicare Part D claims for 345 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.