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

Joan E Guthrie Medlen, RD

Individual provider Registered Dietitian · NPI 1942507918

Joan E Guthrie Medlen, RD is a Registered Dietitian in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2011
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

3638 SW Vesta St
Portland, OR 97219-7564
Phone: (971) 645-4722
Fax: (503) 446-6053
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 709397 (OR)
Registered Dietitian Taxonomy 133V00000X · Licence 520 (OR)

Record details

NPI number1942507918
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorYes
NPI enumeratedFebruary 27, 2011
Last updated in NPPESOctober 18, 2012

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