Gregory D Olsen DDS Msd PC
NPI 1861553117 · Orthodontics and Dentofacial Orthopedics Dentistry · Missoula, MT
Gregory D Olsen DDS Msd PC is a Orthodontics and Dentofacial Orthopedics Dentistry organization in Missoula, MT (NPI 1861553117).
Provider details
- NPI number
- 1861553117
- Entity type
- Organization
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Gregory Olsen, President(406) 542-7572
- License
- 2134 (MT)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-12
- Last updated
- 2020-08-22
Frequently asked questions
- What is Gregory D Olsen DDS Msd PC's NPI number?
- Gregory D Olsen DDS Msd PC's National Provider Identifier (NPI) is 1861553117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregory D Olsen DDS Msd PC?
- Gregory D Olsen DDS Msd PC is classified in the NPPES registry as Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is Gregory D Olsen DDS Msd PC located?
- Gregory D Olsen DDS Msd PC's practice location on file with NPPES is 1221 S Higgins Ave, Missoula, MT 59801.
- What is Gregory D Olsen DDS Msd PC's phone number?
- The practice phone number listed in the NPPES registry for Gregory D Olsen DDS Msd PC is (406) 542-7572.
- Who is the authorized official for Gregory D Olsen DDS Msd PC?
- The authorized official listed on Gregory D Olsen DDS Msd PC's NPPES record is Gregory Olsen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregory D Olsen DDS Msd PC's NPI active?
- Yes — Gregory D Olsen DDS Msd PC's NPI (1861553117) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.