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

Catherine Hannan Machielse, MS, OTR/L

Individual provider Occupational Therapist · NPI 1548159130

Catherine Hannan Machielse, MS, OTR/L is an Occupational Therapist in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2025.

Licensed in
WA
In the registry since
2025
What do these letters mean?
MS — Master of Science
A graduate science degree.
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

723 N 78th St
Seattle, WA 98103-4730
Phone: (206) 261-6162
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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 61040262 (WA)

Record details

NPI number1548159130
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , OTR/L
Sole proprietorNo
NPI enumeratedJune 30, 2025
Last updated in NPPESJune 30, 2025
Certification dateJune 30, 2025

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