Quick answers
- Where does Mark S. Samson see patients?
- Medicare's clinician data lists 2 practice locations, including Olympia, WA and Tacoma, WA. Call before your visit to confirm the address.
- What is Mark S. Samson's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Mark S. Samson accept Medicare assignment?
- Yes. Medicare's clinician data says Mark S. Samson 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.
- Does Mark S. Samson offer telehealth?
- Medicare's clinician data says Mark S. Samson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark S. Samson?
- (360) 923-7000, as listed in official Medicare / NPI Registry data.
- What is Mark S. Samson's NPI number?
- 1477569705. 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 S. Samson is enrolled with Medicare (CMS data updated 2026-10-02).
- 700 Lilly Rd NEOlympia, WA 98506 (360) 923‑7000
- 9505 S Steele StTacoma, WA 98444 (253) 597‑6800
Group practices
Medicare enrollment lists Mark S. Samson as a member of this group (CMS data updated 2026-10-02).
- Kaiser Foundation Health Plan of Washington1,526 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Olympia
Clinicians with the same Medicare primary specialty in Olympia, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477569705 |
| 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