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

Mr. Andrew Mathias, RDN

Individual provider Case Manager/Care Coordinator · NPI 1770309379

Mr. Andrew Mathias, RDN is a Registered Dietitian OR Nutrition Professional in Federal Way, Washington. Qualified in 2021, 5 years ago. Practices with Sea Mar Community Health Centers, a 236-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
5
Licensed in
WA
In the registry since
2024
Specialties on file
2
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

31405 18th Ave S
Federal Way, WA 98003-5433
Phone: (253) 681-6600
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 61370767 (WA)
Case Manager/Care Coordinator Taxonomy 171M00000X · Licence DI61370767 (WA)

Record details

NPI number1770309379
Entity typeIndividual (Type 1)
GenderMale
Credentials RDN
Sole proprietorNo
NPI enumeratedNovember 27, 2024
Last updated in NPPESDecember 27, 2024
Certification dateDecember 27, 2024

Medicare enrollment

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

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Sea Mar Community Health Centers — 236 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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