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

Mikki Seagren PLLC

Organization Surgical Oncology Physician · NPI 1255811048

Mikki Seagren PLLC is a Surgical Oncology Physician in Bellevue, Washington. Works from 2 locations. Registered with an NPI since 2018.

In the registry since
2018
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

1370 116th Ave NE Ste 106
Bellevue, WA 98004-3831
Phone: (425) 658-2525
Fax: (646) 780-7951
Show map & directions

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

Additional practice locations (1)

  • 35 S Louisiana St Ste A120, Kennewick, WA 99336-8630 — (509) 491-1944

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X

Record details

NPI number1255811048
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mikki Seagren — Owner · (425) 241-6632
NPI enumeratedAugust 21, 2018
Last updated in NPPESOctober 1, 2020
Certification dateOctober 1, 2020
Mailing address10900 Ne 4th St, Ste 2300, Bellevue, WA 98004-5882