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

Gretchen Gruender, MS, RD, CSO

Individual provider Registered Dietitian · NPI 1285927020

Gretchen Gruender, MS, RD, CSO is a Registered Dietitian in Seattle, Washington. Practices as a sole proprietor and works from 2 locations. Licensed in Washington.

Licensed in
WA
In the registry since
2011
What do these letters mean?
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

6522 N Fremont Ave
Seattle, WA 98103-5924
Phone: (206) 670-0118
Fax: (206) 267-0073
Show map & directions

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

Additional practice locations (1)

  • 9909 225th Pl Sw, Edmonds, WA 98020-5924 — (206) 670-0118

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence D100001650 (WA)

Record details

NPI number1285927020
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , CSO
Sole proprietorYes
NPI enumeratedMay 26, 2011
Last updated in NPPESJune 26, 2023
Certification dateJune 26, 2023

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