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

Dr. Steffen Niels Lassen, DDS

Individual provider Dentist · NPI 1750811485

Dr. Steffen Niels Lassen, DDS is a Dentist in Eugene, Oregon. Licensed in California and Oregon. Registered with an NPI since 2017.

Licensed in
CA, OR
In the registry since
2017
Specialties on file
2
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 →

Practice location Address checks out

4120 Quest Dr
Eugene, OR 97402-8768
Phone: (541) 688-7278
Fax: (541) 334-6604
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence D10980 (OR)
Dentist Taxonomy 122300000X · Licence 101423 (CA)

Record details

NPI number1750811485
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJune 15, 2017
Last updated in NPPESMarch 19, 2019

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