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

Mr. Gregory Louis Andersen, RDH

Individual provider Dental Hygienist · NPI 1588404982

Mr. Gregory Louis Andersen, RDH is a Dental Hygienist in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2024.

Licensed in
OR
In the registry since
2024
What do these letters mean?
RDH — Registered Dental Hygienist
A licensed hygienist who cleans teeth and screens for oral disease.

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Practice location Address checks out

12750 SE Stark St Bldg E
Portland, OR 97233-1539
Phone: (971) 347-3009
Fax: (971) 256-3277
Show map & directions

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

Specialties & licences

Dental Hygienist (primary) Taxonomy 124Q00000X · Licence H8136 (OR)

Record details

NPI number1588404982
Entity typeIndividual (Type 1)
GenderMale
Credentials RDH
Sole proprietorNo
NPI enumeratedMay 31, 2024
Last updated in NPPESMay 31, 2024
Certification dateMay 31, 2024

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