Robert Mills, O.D.
NPI 1659399376 · Optometrist · Gillette, WY
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Mills, O.D. is a Optometrist provider in Gillette, WY (NPI 1659399376).
Provider details
- NPI number
- 1659399376
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 93-T (WY)
Specialties & taxonomies
Eye and Vision Services 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
- 2006-07-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Mills's NPI number?
- Robert Mills's National Provider Identifier (NPI) is 1659399376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Mills's specialty?
- Robert Mills is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Robert Mills located?
- Robert Mills's practice location on file with NPPES is 609 4j Ct, Gillette, WY 82716-4135.
- What is Robert Mills's phone number?
- The practice phone number listed in the NPPES registry for Robert Mills is (307) 682-2020.
- Does Robert Mills accept Medicare?
- Robert Mills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Mills's NPI active?
- Yes — Robert Mills's NPI (1659399376) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.