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

Individual provider Occupational Therapist · NPI 1790796985

Mary Anne Landreth, OT is an Occupational Therapist in Private Practice in Chicago, Illinois. Qualified in 2001, 25 years ago. Practices with Athletic and Therapeutic Institute of Naperville, LLC, a 252-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
25
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.

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Practice location Address checks out

9645 S Western Ave
Chicago, IL 60643-1722
Phone: (773) 239-2734
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 056-007516 (IL)

Record details

NPI number1790796985
Entity typeIndividual (Type 1)
GenderFemale
Credentials OT
Sole proprietorNo
NPI enumeratedAugust 11, 2006
Last updated in NPPESJuly 5, 2021
Certification dateJuly 5, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOCCUPATIONAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Athletic And Therapeutic Institute Of Naperville, Llc — 252 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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