Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Trevor C Armstrong, DO

Individual provider Emergency Medicine Physician · NPI 1770004848

Trevor C Armstrong, DO practises Emergency Medicine in Muskegon, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 2017, 9 years ago. Practices with Lake Michigan Emergency Specialists, PLLC, a 36-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
9
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MI
In the registry since
2017
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1700 Clinton St
Muskegon, MI 49442-5502
Phone: (231) 728-4936
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 5101024884 (MI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 5101023582 (MI)

Record details

NPI number1770004848
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 29, 2017
Last updated in NPPESNovember 7, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2017 (9 years in practice)
Group practice Lake Michigan Emergency Specialists, Pllc — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients270
Services billed 312 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Trinity Health Grand Haven Hospital Hospital · Grand Haven, MI
  • Mercy Health Lakeshore Campus Hospital · Shelby, MI
  • Trinity Health Muskegon Hospital Hospital · Muskegon, MI

Colleagues at Lake Michigan Emergency Specialists, PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 36 clinicians in the practice; 12 are shown here.

Other providers in Muskegon