NPPES file of Aug 9, 2026

Trevor C. Armstrong, DO

Emergency Medicine Physician · Muskegon, MI

Trevor C. Armstrong, DO is an emergency medicine physician with a practice address in Muskegon, Michigan, and NPI 1770004848, issued on Jun 29, 2017. Check the license (Michigan 5101024884, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770004848
Name
Trevor C. Armstrong
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
5101024884 MI
5101023582 MI
Self-reported in NPPES; status is on the state search
Practice location
1700 Clinton St, Muskegon, MI 49442
Phone
(231) 728-4936
Enumerated
Jun 29, 2017
Record last updated
Nov 7, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20191119001591); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2017
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 1700 Clinton St

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

  1. Eric Applebach, MDEmergency Medicine Physician1205465143
  2. Nancy Arbuckle -Hinks, LPCProfessional Counselor1982702817
  3. Scott Bentz, MDEmergency Medicine Physician1417069568
  4. Evan BevoldenMedical Physician Assistant1093066870
  5. Jay Biessel, DOEmergency Medicine Physician1235510843
  6. James Bos, M.D.Diagnostic Radiology Physician1700878584

Verify Trevor C. Armstrong 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 5101024884
    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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41% more Medicare Part D claims than the average emergency medicine physician in 2024

319 Medicare Part D claims for 217 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 29 claims were for opioids.

  1. Trevor Armstrong319
  2. Specialty average226

Most prescribed

  1. Cephalexin37 claims
  2. Ondansetron Odt35 claims
  3. Hydrocodone-Acetaminophen26 claims
  4. Prednisone23 claims
  5. Cyclobenzaprine Hcl16 claims
  6. Cefuroxime14 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Lake Michigan Emergency Specialists, PLLCShelby, MI

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

71 emergency medicine physician records list a practice address in Muskegon

They are 71 of the 2,646 NPPES records with a practice address in Muskegon, and 3,083 emergency medicine physician records in Michigan.

Other emergency medicine physician records in Michigan

  1. Melanie Aaberg, DOTrenton, MI1801093968
  2. Sydney Abass, MDTrenton, MI1306504253
  3. Danya AbbasLenox, MI1104319672
  4. Saiyeda Abbas, M.D.Farmington Hills, MI1255540894
  5. Samantha AbdallahDetroit, MI1609457985
  6. Maher AbdoDetroit, MI1699263202
  7. Moneer Abdo, M.D.Ann Arbor, MI1508204587
  8. Kristi AbelaTrenton, MI1619807252
  9. Mahshid Abir, MDAnn Arbor, MI1790988632
  10. Mallory Abney, MDAnn Arbor, MI1871080382

Common questions

What is Trevor C. Armstrong, DO's NPI number?

Trevor C. Armstrong, DO's National Provider Identifier (NPI) is 1770004848, issued on Jun 29, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Trevor C. Armstrong, DO located?

The NPPES record lists a practice address at 1700 Clinton St, Muskegon, MI, 49442. Phone: (231) 728-4936. Providers update this record themselves, so call before visiting.

How can I verify Trevor C. Armstrong, DO's license?

NPPES lists Michigan license number 5101024884, 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 Trevor C. Armstrong, DO prescribe under Medicare Part D?

In 2024, Trevor C. Armstrong, DO had 319 Medicare Part D claims for 217 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Trevor C. Armstrong, DO's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.