Quick answers
- Where does Markus D. Boos see patients?
- Medicare's clinician data lists 2 practice locations, including Federal Way, WA and Seattle, WA. Call before your visit to confirm the address.
- What is Markus D. Boos's specialty?
- Medicare lists Dermatology as the primary specialty, and also Pediatric Medicine.
- Does Markus D. Boos accept Medicare assignment?
- Yes. Medicare's clinician data says Markus D. Boos 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 Markus D. Boos?
- (253) 838-5878, as listed in official Medicare / NPI Registry data.
- What is Markus D. Boos's NPI number?
- 1225359680. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Markus D. Boos is enrolled with Medicare (CMS data updated 2026-10-02).
- 34920 Enchanted Pkwy SFederal Way, WA 98003 (253) 838‑5878
- 4800 Sand Point Way NESeattle, WA 98105 (206) 526‑2000
Group practices
Medicare enrollment lists Markus D. Boos as a member of this group (CMS data updated 2026-10-02).
- The Association of CHRMC and University Physicians311 clinicians in the group
Specialties
- Dermatologyprimary
- Pediatric Medicinealso
Other dermatologists in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225359680 |
| 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
- 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