Quick answers
- Where does Mark F. Mailhot see patients?
- Medicare's clinician data lists 4 practice locations, including Burien, WA, Portland, OR and Seattle, WA. Call before your visit to confirm the address.
- What is Mark F. Mailhot's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Preventive Medicine.
- Does Mark F. Mailhot accept Medicare assignment?
- Yes. Medicare's clinician data says Mark F. Mailhot 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 F. Mailhot?
- (206) 812-6140, as listed in official Medicare / NPI Registry data.
- What is Mark F. Mailhot's NPI number?
- 1861534075. 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 F. Mailhot is enrolled with Medicare (CMS data updated 2026-10-02).
- 14434 Ambaum Blvd SWBurien, WA 98166 (206) 812‑6140
- 14434 Ambaum Blvd SW, Suite 5Burien, WA 98166 (206) 812‑6140
- 220 NE Weidler StPortland, OR 97232 (314) 888‑5233
- 8720 14th Ave SSeattle, WA 98108 (206) 762‑3730
Group practices
Medicare enrollment lists Mark F. Mailhot as a member of these groups (CMS data updated 2026-10-02).
- Sea Mar Community Health Centers230 clinicians in the group
- My Catholic Doctor PLLC22 clinicians in the group
Specialties
- Internal Medicineprimary
- Preventive Medicinealso
Other internal medicine doctors in Burien
Clinicians with the same Medicare primary specialty in Burien, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861534075 |
| 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