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

Mr. Matthew Glen Koontz, RD

Individual provider Registered Dietetic Technician · NPI 1821609678

Mr. Matthew Glen Koontz, RD is a Registered Dietetic Technician in Bellevue, Washington. Practices as a sole proprietor and works from 6 locations. Registered with an NPI since 2020.

In the registry since
2020
Specialties on file
2
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

10900 NE 4th St Ste 2300
Bellevue, WA 98004-5882
Phone: (425) 633-2022
Show map & directions

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

Additional practice locations (5)

  • 11900 Ne 1st St, Bellevue, WA 98005-3046 — (425) 633-2022
  • 11335 Ne 122nd Way Ste 105, Kirkland, WA 98034-6933 — (425) 633-2022
  • 1420 5th Ave Ste 2200, Seattle, WA 98101-1346 — (425) 633-2022
  • 701 5th Ave Ste 42, Seattle, WA 98104-7097 — (425) 633-2022
  • 1455 Nw Leary Way Ste 400, Seattle, WA 98107-5138 — (425) 633-2022

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X
Registered Dietetic Technician Taxonomy 136A00000X

Record details

NPI number1821609678
Entity typeIndividual (Type 1)
GenderMale
Credentials RD
Sole proprietorYes
NPI enumeratedAugust 14, 2020
Last updated in NPPESMay 10, 2023
Certification dateMay 10, 2023

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