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

Dr. Oliver Winslow Graumann, DDS

Individual provider Dentist · NPI 1801782008

Dr. Oliver Winslow Graumann, DDS is a Dentist in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2025.

Licensed in
OR
In the registry since
2025
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1890 NE 162nd Ave
Portland, OR 97230-5642
Phone: (503) 257-9836
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence D12190 (OR)

Record details

NPI number1801782008
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJune 16, 2025
Last updated in NPPESNovember 8, 2025
Certification dateNovember 8, 2025
Mailing address8327 Ne Holladay St, Portland, OR 97220-5822

Other providers in Portland