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

Gretchen Arnold Metzler, RN

Individual provider Case Management Registered Nurse · NPI 1285424648

Gretchen Arnold Metzler, RN is a Case Management Registered Nurse in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2025
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

4400 NE Halsey St Ste 200
Portland, OR 97213-1545
Phone: (503) 215-6556
Show map & directions

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

Specialties & licences

Case Management Registered Nurse (primary) Taxonomy 163WC0400X · Licence 200841066RN (OR)

Record details

NPI number1285424648
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedMay 8, 2025
Last updated in NPPESMay 8, 2025
Certification dateMay 8, 2025

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