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

Greg Irwin Terwilleger, OTR

Individual provider Occupational Therapist · NPI 1962548339

Greg Irwin Terwilleger, OTR is an Occupational Therapist in Bethany, Missouri. Licensed in Missouri. Registered with an NPI since 2007.

Licensed in
MO
In the registry since
2007
What do these letters mean?
OTR — Occupational Therapist, Registered
A nationally registered occupational therapist.

See every abbreviation used in this directory →

Practice location Address checks out

2600 Miller St
Bethany, MO 64424-2701
Phone: (660) 425-0236
Fax: (660) 425-8026
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 2001014538 (MO)

Record details

NPI number1962548339
Entity typeIndividual (Type 1)
GenderMale
Credentials OTR
Sole proprietorNo
NPI enumeratedJanuary 30, 2007
Last updated in NPPESJuly 8, 2007