Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark Ellestad, MD - Psychiatric Services, PLLC

Organization Psychiatry Physician · NPI 1629781067

Mark Ellestad, MD - Psychiatric Services, PLLC is a Psychiatry Physician in Seattle, Washington. Registered with an NPI since 2022.

In the registry since
2022
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3417 Evanston Ave N Ste 306
Seattle, WA 98103-8967
Phone: (206) 251-4014
Fax: (206) 752-8505
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X

Record details

NPI number1629781067
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Ellestad — Owner · (206) 659-1750
NPI enumeratedDecember 30, 2022
Last updated in NPPESMarch 28, 2024
Certification dateMarch 28, 2024
Mailing address3417 Evanston Ave N Ste 306, Seattle, WA 98103-8967

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