Roy Gillis, OT
NPI 1427651140 · Occupational Therapist · Big Stone City, SD
Roy Gillis, OT is a Occupational Therapist provider in Big Stone City, SD (NPI 1427651140).
Provider details
- NPI number
- 1427651140
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OT
- Sex
- Male
- Sole proprietor
- No
- License
- 102513 (MN)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2020-11-17
- Last updated
- 2020-11-17
- Certified
- 2020-11-17
Frequently asked questions
- What is Roy Gillis's NPI number?
- Roy Gillis's National Provider Identifier (NPI) is 1427651140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy Gillis's specialty?
- Roy Gillis is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Roy Gillis located?
- Roy Gillis's practice location on file with NPPES is 500 Cross St, Big Stone City, SD 57216-8237.
- What is Roy Gillis's phone number?
- The practice phone number listed in the NPPES registry for Roy Gillis is (605) 541-1140.
- Is Roy Gillis's NPI active?
- Yes — Roy Gillis's NPI (1427651140) is active in the NPPES registry as of the last update on 2020-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.