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

Mary Louise Olsen, RDH

Individual provider Dental Hygienist · NPI 1700934122

Mary Louise Olsen, RDH is a Dental Hygienist in Alexandria, Minnesota. Practices as a sole proprietor. Licensed in Minnesota.

Licensed in
MN
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.

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Practice location Address checks out

700 Cedar St #44
Alexandria, MN 56308-1769
Phone: (320) 491-4052
Show map & directions

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

Specialties & licences

Dental Hygienist (primary) Taxonomy 124Q00000X · Licence H6003 (MN)

Record details

NPI number1700934122
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDH
Sole proprietorYes
NPI enumeratedJanuary 8, 2007
Last updated in NPPESJuly 8, 2007

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