NPPES file of Aug 9, 2026

Nathan Altner, PA-C

Physician Assistant · Muskegon, MI

Nathan Altner, PA-C is a physician assistant with a practice address in Muskegon, Michigan, and NPI 1225752959, issued on Sep 27, 2022. Check the license (Michigan 5601011303, 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
1225752959
Name
Nathan Altner
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
5601011303 MI
Self-reported in NPPES; status is on the state search
Practice location
1223 Mercy Dr, Muskegon, MI 49444
Phone
(231) 672-3500
Enumerated
Sep 27, 2022
Record last updated
Sep 18, 2025
Medicare enrollment
Enrolled (PECOS I20240409004863); 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 1223 Mercy Dr

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

  1. Brian Burdo, MDFamily Medicine Physician1245216035
  2. Valerie ConradFamily Medicine Physician1205020088
  3. Steven Dewit, FNPFamily Nurse Practitioner1063127108
  4. Ashley Dorton, PA-CPhysician Assistant1003300310
  5. Kathleen Gray, PAPhysician Assistant1578798096
  6. Joel Jarvis, MDFamily Medicine Physician1578540324

Verify Nathan Altner 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 5601011303
    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.

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47% fewer Medicare Part D claims than the average physician assistant in 2024

440 Medicare Part D claims for 295 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Nathan Altner440
  2. Specialty average830

Most prescribed

  1. Prednisone45 claims
  2. Cephalexin42 claims
  3. Amoxicillin-Clavulanate Potass33 claims
  4. Doxycycline Hyclate26 claims
  5. Azithromycin21 claims
  6. Benzonatate20 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 2 group practices

  1. Iha Health Services CorporationMuskegon, MI
  2. Mercy Health Westshore Cardiology ServicesMuskegon, MI

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

Nathan Altner among 6,989 physician assistant records in Michigan

Nathan Altner, 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 2022, is newer than 76% of them.

  • NPI issued2022 · 76% of these records are older, 20% 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 updated2025 · 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 Nathan Altner, PA-C's NPI number?

Nathan Altner, PA-C's National Provider Identifier (NPI) is 1225752959, issued on Sep 27, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Altner, PA-C located?

The NPPES record lists a practice address at 1223 Mercy Dr, Muskegon, MI, 49444. Phone: (231) 672-3500. Providers update this record themselves, so call before visiting.

How can I verify Nathan Altner, PA-C's license?

NPPES lists Michigan license number 5601011303, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Nathan Altner, PA-C prescribe under Medicare Part D?

In 2024, Nathan Altner, PA-C had 440 Medicare Part D claims for 295 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.