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

Dr. Katherine Elizabeth Gaston Mattax, ND

Individual provider Naturopath · NPI 1053023846

Dr. Katherine Elizabeth Gaston Mattax, ND is a Naturopath in Seattle, Washington. Practices as a sole proprietor. Registered with an NPI since 2022.

In the registry since
2022

Practice location Address checks out

5470 Shilshole Ave NW Ste 500
Seattle, WA 98107-4040
Phone: (206) 279-6390
Show map & directions

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

Specialties & licences

Naturopath (primary) Taxonomy 175F00000X

Record details

NPI number1053023846
Entity typeIndividual (Type 1)
GenderFemale
Credentials ND
Sole proprietorYes
NPI enumeratedDecember 23, 2022
Last updated in NPPESNovember 2, 2023
Certification dateNovember 2, 2023

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