Quick answers
- Which hospitals does Troy J. Markus work at?
- Medicare's official clinician data lists Troy J. Markus at 1 hospital: PeaceHealth St Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Troy J. Markus see patients?
- Medicare's clinician data lists 2 practice locations, including Mount Vernon, WA and Bellingham, WA. Call before your visit to confirm the address.
- What is Troy J. Markus's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Troy J. Markus accept Medicare assignment?
- Yes. Medicare's clinician data says Troy J. Markus accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Troy J. Markus?
- (360) 424-4111, as listed in official Medicare / NPI Registry data.
- What is Troy J. Markus's NPI number?
- 1588862007. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Troy J. Markus works
Medicare's Facility Affiliation Data lists Troy J. Markus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- PeaceHealth St Joseph Medical CenterBellingham, WA · Acute Care Hospital · CCN 500030
Practice locations
Addresses where Troy J. Markus is enrolled with Medicare (CMS data updated 2026-10-02).
- 1415 E Kincaid StMount Vernon, WA 98274 (360) 424‑4111
- 2901 Sqaulicum PkwyBellingham, WA 98225 (360) 734‑5400
Group practices
Medicare enrollment lists Troy J. Markus as a member of this group (CMS data updated 2026-10-02).
- Northwest Emergency Physicians LLC271 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Mount Vernon
Clinicians with the same Medicare primary specialty in Mount Vernon, WA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588862007 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians