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

Dr. Neil Matthiessen, OTD, OTR/L

Individual provider Occupational Therapist · NPI 1134768583

Dr. Neil Matthiessen, OTD, OTR/L is an Occupational Therapist in Rapid City, South Dakota. Licensed in South Dakota. Registered with an NPI since 2020.

Licensed in
SD
In the registry since
2020
What do these letters mean?
OTD — Doctor of Occupational Therapy
The doctoral degree in occupational therapy.
OTR/L — Occupational Therapist, Registered and Licensed
An occupational therapist who is both nationally registered and state licensed.

See every abbreviation used in this directory →

Practice location Address checks out

353 Fairmont Blvd
Rapid City, SD 57701-7375
Phone: (605) 755-1100
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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 1149 (SD)

Record details

NPI number1134768583
Entity typeIndividual (Type 1)
GenderMale
Credentials OTD , OTR/L
Sole proprietorNo
NPI enumeratedJanuary 2, 2020
Last updated in NPPESJanuary 2, 2020
Certification dateJanuary 2, 2020

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