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

Roy Peter Gillis, OT

Individual provider Occupational Therapist · NPI 1427651140

Roy Peter Gillis, OT is an Occupational Therapist in Big Stone City, South Dakota. Licensed in Minnesota. Registered with an NPI since 2020.

Licensed in
MN
In the registry since
2020
What do these letters mean?
OT — Occupational Therapist
Helps people regain the skills needed for daily living and work.

See every abbreviation used in this directory →

Practice location Address checks out

500 Cross St
Big Stone City, SD 57216-8237
Phone: (605) 541-1140
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 102513 (MN)

Record details

NPI number1427651140
Entity typeIndividual (Type 1)
GenderMale
Credentials OT
Sole proprietorNo
NPI enumeratedNovember 17, 2020
Last updated in NPPESNovember 17, 2020
Certification dateNovember 17, 2020
Mailing address500 Cross St, Big Stone City, SD 57216-8237

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