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

Mary Katherine Holloway, OTR

Individual provider Occupational Therapist · NPI 1841660677

Mary Katherine Holloway, OTR is an Occupational Therapist in Boulder, Colorado. Registered with an NPI since 2015.

In the registry since
2015
What do these letters mean?
OTR — Occupational Therapist, Registered
A nationally registered occupational therapist.

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Practice location Address checks out

6500 Arapahoe Rd
Boulder, CO 80303-1407
Phone: (303) 447-1010
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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 number1841660677
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR
Sole proprietorNo
NPI enumeratedOctober 6, 2015
Last updated in NPPESOctober 24, 2023
Certification dateOctober 24, 2023

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