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

Chad D Aschtgen, ND, PLLC

Organization Naturopath · NPI 1427439769

Chad D Aschtgen, ND, PLLC is a Naturopath in Seattle, Washington. Works from 3 locations. Licensed in Washington.

Licensed in
WA
In the registry since
2015
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

2859 Eastlake Ave E
Seattle, WA 98102-3007
Phone: (206) 739-7447
Fax: (844) 833-0052
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1717 13th St Fl 1, Everett, WA 98201-1621 — (425) 297-5500
  • 4525 3rd Ave Se, Lacey, WA 98503-1010 — (360) 412-8951

Specialties & licences

Naturopath (primary) Taxonomy 175F00000X · Licence NT00001423 (WA)

Record details

NPI number1427439769
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Chad Aschtgen — Physician/Member · (206) 890-7186
Other names Seattle Integrative Oncology; Seattle Integrative Oncology
NPI enumeratedJune 12, 2015
Last updated in NPPESJuly 14, 2022
Certification dateJuly 14, 2022
Mailing address2859 Eastlake Ave E, Seattle, WA 98102-3007

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