Quick answers
- Where does Kathryn Casamassimo see patients?
- Medicare's clinician data lists 1 practice location in Elmhurst, IL. Call before your visit to confirm the address.
- What is Kathryn Casamassimo's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does Kathryn Casamassimo accept Medicare assignment?
- Yes. Medicare's clinician data says Kathryn Casamassimo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Kathryn Casamassimo?
- (630) 474-8919, as listed in official Medicare / NPI Registry data.
- What is Kathryn Casamassimo's NPI number?
- 1205333531. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Kathryn Casamassimo is enrolled with Medicare (CMS data updated 2026-10-02).
- 340 W Butterfield Rd, Suite LlbElmhurst, IL 60126 (630) 474‑8919
Group practices
Medicare enrollment lists Kathryn Casamassimo as a member of this group (CMS data updated 2026-10-02).
- Guided Discovery Mental Health PLLC2 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Elmhurst
Clinicians with the same Medicare primary specialty in Elmhurst, IL — not a recommendation.
Clinician information
| Graduation year | 2004 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205333531 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians