Quick answers
- Where does Mark R. Mariani see patients?
- Medicare's clinician data lists 12 practice locations, including Burien, WA, Orting, WA and Kent, WA. Call before your visit to confirm the address.
- What is Mark R. Mariani's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mark R. Mariani accept Medicare assignment?
- Yes. Medicare's clinician data says Mark R. Mariani 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 Mark R. Mariani?
- (206) 242-2501, as listed in official Medicare / NPI Registry data.
- What is Mark R. Mariani's NPI number?
- 1972581114. 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 Mark R. Mariani is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 12; the Medicare profile lists all.
- 15870 1st Ave S, Suite 101Burien, WA 98148 (206) 242‑2501
- 215 Whitesell St NW, Suite B113Orting, WA 98360 (253) 697‑3080
- 222 State Ave NKent, WA 98030 (253) 372‑7788
- 23131 Bothell Everett Hwy, Suite BBothell, WA 98021 (425) 483‑3335
- 311 S L StTacoma, WA 98405
Group practices
Medicare enrollment lists Mark R. Mariani as a member of this group (CMS data updated 2026-10-02).
- Multicare Health System2,325 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Burien
Clinicians with the same Medicare primary specialty in Burien, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972581114 |
| 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