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

Individual provider General Practice Dentistry · NPI 1811625569

Gwen Hryciw Eichenbaum, DMD, PHD is a General Practice Dentistry in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2022
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

12889 NW Cornell Rd
Portland, OR 97229-5813
Phone: (503) 643-6643
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence D11667 (OR)

Record details

NPI number1811625569
Entity typeIndividual (Type 1)
GenderFemale
Credentials DMD , PHD
Sole proprietorYes
NPI enumeratedAugust 10, 2022
Last updated in NPPESJanuary 20, 2026
Certification dateJanuary 20, 2026
Mailing address14820 Nw Ridgetop Ct, Beaverton, OR 97006-5404

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