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

Joni Diane Portmann, RDH

Individual provider Dental Hygienist · NPI 1659552198

Joni Diane Portmann, RDH is a Dental Hygienist in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2007
What do these letters mean?
RDH — Registered Dental Hygienist
A licensed hygienist who cleans teeth and screens for oral disease.

See every abbreviation used in this directory →

Practice location Address checks out

13255 SE Stark St
Portland, OR 97233
Phone: (503) 644-6444
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dental Hygienist (primary) Taxonomy 124Q00000X · Licence 1525 (OR)

Record details

NPI number1659552198
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDH
Sole proprietorYes
NPI enumeratedNovember 26, 2007
Last updated in NPPESNovember 26, 2007

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