Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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William A Ownbey, OTR/L, CHT

Individual provider Hand Occupational Therapist · NPI 1255525713

William A Ownbey, OTR/L, CHT is a Hand Occupational Therapist in Lewistown, Montana. Licensed in Montana. Registered with an NPI since 2007.

Licensed in
MT
In the registry since
2007
What do these letters mean?
OTR/L — Occupational Therapist, Registered and Licensed
An occupational therapist who is both nationally registered and state licensed.
CHT — Certified Hand Therapist
An occupational or physical therapist with advanced certification in hand and upper-limb rehabilitation.

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Practice location Address checks out

408 Wendell Ave
Lewistown, MT 59457-2261
Phone: (406) 538-6378
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hand Occupational Therapist (primary) Taxonomy 225XH1200X · Licence 562 (MT)

Record details

NPI number1255525713
Entity typeIndividual (Type 1)
GenderMale
Credentials OTR/L , CHT
Sole proprietorNo
NPI enumeratedAugust 28, 2007
Last updated in NPPESSeptember 19, 2007