Quick answers
- Where does Megan Mathiasen see patients?
- Medicare's clinician data lists 1 practice location in Plainfield, IL. Call before your visit to confirm the address.
- What is Megan Mathiasen's specialty?
- Medicare lists Qualified Speech Language Pathologist as the primary specialty.
- Does Megan Mathiasen accept Medicare assignment?
- Yes. Medicare's clinician data says Megan Mathiasen 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 Megan Mathiasen?
- (815) 216-4042, as listed in official Medicare / NPI Registry data.
- What is Megan Mathiasen's NPI number?
- 1255001186. 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 Megan Mathiasen is enrolled with Medicare (CMS data updated 2026-10-02).
- 12446 S Van Dyke RdPlainfield, IL 60585 (815) 216‑4042
Group practices
Medicare enrollment lists Megan Mathiasen as a member of this group (CMS data updated 2026-10-02).
- Reliant Senior Living LLC122 clinicians in the group
Specialties
Find other clinicians: Qualified Speech Language Pathologist, Illinois →
Other speech-language pathologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255001186 |
| 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