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

Colleen Althoff, OTR/L

Individual provider Occupational Therapist · NPI 1164905386

Colleen Althoff, OTR/L is an Occupational Therapist in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2018.

Licensed in
IL
In the registry since
2018
What do these letters mean?
OTR/L — Occupational Therapist, Registered and Licensed
An occupational therapist who is both nationally registered and state licensed.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1901 W Harrison St Fl 2
Chicago, IL 60612-3714
Phone: (312) 864-3654
Fax: (312) 864-9173
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 056.012393 (IL)

Record details

NPI number1164905386
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR/L
Sole proprietorNo
NPI enumeratedSeptember 13, 2018
Last updated in NPPESSeptember 13, 2018

Other providers in Chicago