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

Michael S Mazak, OTR

Individual provider Occupational Therapist · NPI 1891994364

Michael S Mazak, OTR is an Occupational Therapist in Ontario, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2291 W 4th St Ste D
Ontario, OH 44906-1261
Phone: (419) 589-2238
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 OT-5497 (OH)

Record details

NPI number1891994364
Entity typeIndividual (Type 1)
GenderMale
Credentials OTR
Sole proprietorYes
NPI enumeratedJuly 16, 2007
Last updated in NPPESNovember 24, 2014

Other providers in Ontario