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

Derian Mackenzie Scales, OTD, OTR/L

Individual provider Occupational Therapist · NPI 1124752464

Derian Mackenzie Scales, OTD, OTR/L is an Occupational Therapist in Washington, Indiana. Registered with an NPI since 2022.

In the registry since
2022
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.

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Practice location Address checks out

1694 Troy Rd
Washington, IN 47501-8216
Phone: (812) 610-2395
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X

Record details

NPI number1124752464
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTD , OTR/L
Sole proprietorNo
NPI enumeratedJuly 12, 2022
Last updated in NPPESJuly 12, 2022
Certification dateJuly 12, 2022

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