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

John Marshall Hettenhausen, OT

Individual provider Occupational Therapist · NPI 1356366561

John Marshall Hettenhausen, OT is an Occupational Therapist in Highland, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
OT — Occupational Therapist
Helps people regain the skills needed for daily living and work.

See every abbreviation used in this directory →

Practice location Address checks out

15 Apex Dr
Highland, IL 62249-1282
Phone: (618) 651-0444
Fax: (618) 654-5439
Show map & directions

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

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X (IL)

Record details

NPI number1356366561
Entity typeIndividual (Type 1)
GenderMale
Credentials OT
Sole proprietorNo
NPI enumeratedJuly 12, 2006
Last updated in NPPESJuly 8, 2007

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