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

Kathryn Casamassimo

Individual provider Clinical Social Worker · NPI 1205333531

Kathryn Casamassimo is a Mental Health Counselor in Oak Brook, Illinois. Qualified in 2004, 22 years ago. Practices with Guided Discovery Mental Health PLLC, a 2-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
22
Licensed in
IL
In the registry since
2018
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2021 Midwest Rd Ste 100C
Oak Brook, IL 60523-1394
Phone: (708) 223-8405
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

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 149.012427 (IL)

Record details

NPI number1205333531
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedApril 12, 2018
Last updated in NPPESApril 12, 2018
Mailing address3532 Blanchan Ave, Brookfield, IL 60513-1102

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Guided Discovery Mental Health Pllc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Oak Brook