NPPES file of Aug 9, 2026

Courtney Marie Kernstock, P.A.-C

Physician Assistant · Freeland, MI

Courtney Marie Kernstock, P.A.-C is a physician assistant with a practice address in Freeland, Michigan, and NPI 1073050696, issued on Jan 20, 2017. Check the license (Michigan 5601008060, 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
1073050696
Name
Courtney Marie Kernstock
Credential
P.A.-C
Primary taxonomy
Physician Assistant 363A00000X
License number
5601008060 MI
Self-reported in NPPES; status is on the state search
Practice location
5694 Midland RD, Freeland, MI 48623
Phone
(989) 695-2123
Enumerated
Jan 20, 2017
Record last updated
Feb 23, 2026
Medicare enrollment
Enrolled (PECOS I20170131000536); 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.
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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. Julia Kerwin, MDFamily Medicine Physician1619557956
  3. Katherine Kusowski, DPTOrthopedic Physical Therapist1639675234
  4. Kenneth Mackinnon, M.D.Family Medicine Physician1245284124
  5. Caitlynn McCannClinical Social Worker1871239996
  6. Melissa Murtha, NP-CNurse Practitioner1427337963

Verify Courtney Marie Kernstock 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 5601008060
    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

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3.8 times the Medicare Part D claims of the average physician assistant in 2024

3,162 Medicare Part D claims for 193 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 44 claims were for opioids.

  1. Courtney Kernstock3,162
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium264 claims
  2. Amlodipine Besylate144 claims
  3. Omeprazole144 claims
  4. Lisinopril143 claims
  5. Levothyroxine Sodium140 claims
  6. Metformin Hcl77 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.

Courtney Marie Kernstock among 6,989 physician assistant records in Michigan

Courtney Marie Kernstock, P.A.-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 2017, is newer than 52% of them.

  • NPI issued2017 · 52% of these records are older, 44% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2016 · median 2017 among the 4,739 with a school on file
  • Record last updated2026 · 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).

3 physician assistant records list a practice address in Freeland

They are 3 of the 172 NPPES records with a practice address in Freeland, and 6,989 physician assistant records in Michigan.

The 8 physician assistant records with the nearest ZIP codes

  1. Kristin Johnson, P.A.Freeland, MI 486231265873335
  2. Brooke PoitrasFreeland, MI 486231588456990
  3. Rylie Alward, PAGladwin, MI 486241922884717
  4. Eric KreckmanGladwin, MI 486241538599733
  5. Alexis Atwell, PA-CFairview, MI 486211417646571
  6. Diane Grove, PAHarrison, MI 486251639273311
  7. Kelsie PassmoreFairview, MI 486211639660947
  8. Anthony Santini, PAHarrison, MI 486251023118601

Common questions

What is Courtney Marie Kernstock, P.A.-C's NPI number?

Courtney Marie Kernstock, P.A.-C's National Provider Identifier (NPI) is 1073050696, issued on Jan 20, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Courtney Marie Kernstock, P.A.-C 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 Courtney Marie Kernstock, P.A.-C's license?

NPPES lists Michigan license number 5601008060, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Courtney Marie Kernstock, P.A.-C prescribe under Medicare Part D?

In 2024, Courtney Marie Kernstock, P.A.-C had 3,162 Medicare Part D claims for 193 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.