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

Mackenzie Lee Mertz, OTR

Individual provider Occupational Therapist · NPI 1386528289

Mackenzie Lee Mertz, OTR is an Occupational Therapist in Sioux Falls, South Dakota. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
OTR — Occupational Therapist, Registered
A nationally registered occupational therapist.

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Practice location Address checks out

1305 W 18th St
Sioux Falls, SD 57105-0401
Phone: (605) 333-1000
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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 number1386528289
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR
Sole proprietorNo
NPI enumeratedAugust 4, 2025
Last updated in NPPESAugust 4, 2025
Certification dateJuly 29, 2025

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