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

Katherine Matias, RD

Individual provider Registered Dietitian · NPI 1104279157

Katherine Matias, RD is a Registered Dietitian OR Nutrition Professional in Seatac, Washington. Qualified in 2014, 12 years ago. Practices as a sole proprietor.

Years since qualifying
12
In the registry since
2016
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

12901 20th Ave S
Seatac, WA 98168-5159
Phone: (206) 720-3987
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 86060677

Record details

NPI number1104279157
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorYes
NPI enumeratedJuly 14, 2016
Last updated in NPPESMarch 13, 2026
Certification dateMarch 13, 2026
Mailing address12901 20th Ave S, Seatac, WA 98168-5159

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Accepts Medicare assignment Not indicated

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