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
Mailing address3638 Sw Vesta St, Portland, OR 97219-7564

Other providers in Portland