Quick answers
- Where does Alexa A. Williamson see patients?
- Medicare's clinician data lists 3 practice locations, including Berwyn, IL, Chicago, IL and Oak Park, IL. Call before your visit to confirm the address.
- What is Alexa A. Williamson's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Alexa A. Williamson accept Medicare assignment?
- Yes. Medicare's clinician data says Alexa A. Williamson 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 Alexa A. Williamson?
- (312) 324-0222, as listed in official Medicare / NPI Registry data.
- What is Alexa A. Williamson's NPI number?
- 1194490300. 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 Alexa A. Williamson is enrolled with Medicare (CMS data updated 2026-10-02).
- 2201 Oak Park AveBerwyn, IL 60402 (312) 324‑0222
- 4211 N Cicero AveChicago, IL 60641 (773) 794‑1000
- 6831 N AveOak Park, IL 60302 (847) 653‑0130
Group practices
Medicare enrollment lists Alexa A. Williamson as a member of this group (CMS data updated 2026-10-02).
- Physicians Immediate Care North Chicago LLC257 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Berwyn
Clinicians with the same Medicare primary specialty in Berwyn, IL — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194490300 |
| 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