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

Gregory D Olsen DDS Msd PC

Organization Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1861553117

Gregory D Olsen DDS Msd PC is an Orthodontics and Dentofacial Orthopedics Dentistry in Missoula, Montana. Licensed in Montana. Registered with an NPI since 2006.

Licensed in
MT
In the registry since
2006
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1221 S Higgins Ave
Missoula, MT 59801
Phone: (406) 542-7572
Fax: (406) 542-7713
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence 2134 (MT)

Record details

NPI number1861553117
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gregory Olsen — President · (406) 542-7572
NPI enumeratedDecember 12, 2006
Last updated in NPPESAugust 22, 2020
Mailing address1221 S Higgins Ave, Missoula, MT 59801

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