Quick answers
- Which hospitals does Jaclyn N. Lilek work at?
- Medicare's official clinician data lists Jaclyn N. Lilek at 3 hospitals: Advocate Lutheran General Hospital, Advocate Sherman Hospital and Saint Anthony Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jaclyn N. Lilek see patients?
- Medicare's clinician data lists 5 practice locations, including Elgin, IL, Park Ridge, IL and Buffalo Grove, IL. Call before your visit to confirm the address.
- What is Jaclyn N. Lilek's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jaclyn N. Lilek accept Medicare assignment?
- Yes. Medicare's clinician data says Jaclyn N. Lilek 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 Jaclyn N. Lilek?
- (847) 742-9800, as listed in official Medicare / NPI Registry data.
- What is Jaclyn N. Lilek's NPI number?
- 1659189751. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jaclyn N. Lilek works
Medicare's Facility Affiliation Data lists Jaclyn N. Lilek at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Lutheran General HospitalPark Ridge, IL · Acute Care Hospital · CCN 140223
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · CCN 140030
- Saint Anthony Medical CenterRockford, IL · Acute Care Hospital · CCN 140233
Practice locations
Addresses where Jaclyn N. Lilek is enrolled with Medicare (CMS data updated 2026-10-02).
- 1425 N Randall RdElgin, IL 60123 (847) 742‑9800
- 1775 Dempster StPark Ridge, IL 60068
- 214 McHenry RdBuffalo Grove, IL 60089 (847) 459‑1160
- 5666 E State StRockford, IL 61108 (815) 921‑8929
- 8600 State Route 91, Suite 130Peoria, IL 61615 (309) 683‑5050
Group practices
Medicare enrollment lists Jaclyn N. Lilek as a member of these groups (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
- OSF Multi-Specialty Group2,114 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Elgin
Clinicians with the same Medicare primary specialty in Elgin, IL — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659189751 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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