OrganizationActive
Dr. Kenneth A. Ethier OD PC
NPI 1558719104 · Optometrist · Great Falls, MT
Provider details
- NPI number
- 1558719104
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Kenneth Ethier, Optometrist(406) 791-5139
- License
- 751 (MT)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
1525 10th Ave S
Great Falls, MT 59405-2608
Phone: (406) 791-5139
Fax: (406) 453-5701
Street-level locationGet directions
Mailing address
1525 10th Ave S
Great Falls, MT 59405-2608
Registry dates
- Enumerated
- 2016-05-24
- Last updated
- 2025-10-27
- Certified
- 2025-10-27
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.