Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Troy J. Markus, DO

Individual provider Emergency Medicine Physician · NPI 1588862007

Dr. Troy J. Markus, DO is an Emergency Medicine in Mount Vernon, Washington. Graduated from Arizona College of Osteopathic Medicine Mid Western University in 2007, 19 years ago. Practices with Northwest Emergency Physicians LLC, a 262-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
19
Trained at
Arizona College of Osteopathic Medicine Mid Western University
Licensed in
WA
In the registry since
2007
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.

See every abbreviation used in this directory →

Practice location Address checks out

1415 E Kincaid St
Mount Vernon, WA 98274-4126
Phone: (360) 424-4111
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence OP60067007 (WA)

Record details

NPI number1588862007
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 5, 2007
Last updated in NPPESMarch 7, 2023
Mailing address1415 E. Kincaid Street, Mount Vernon, WA 98274-4126

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY
Graduated 2007 (19 years in practice)
Group practice Northwest Emergency Physicians Llc — 262 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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