Quick answers
- Which hospitals does Lillie Cook work at?
- Medicare's official clinician data lists Lillie Cook at 3 hospitals: AMITA Health Resurrection Medical Center, Presence Saint Joseph Hospital - Chicago and Saint Francis Hospital-Evanston. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lillie Cook see patients?
- Medicare's clinician data lists 4 practice locations, including Arlington Heights, IL, Chicago, IL and Elgin, IL. Call before your visit to confirm the address.
- What is Lillie Cook's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Lillie Cook accept Medicare assignment?
- Yes. Medicare's clinician data says Lillie Cook 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.
- Does Lillie Cook offer telehealth?
- Medicare's clinician data says Lillie Cook offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Lillie Cook?
- (847) 888-1300, as listed in official Medicare / NPI Registry data.
- What is Lillie Cook's NPI number?
- 1205583085. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lillie Cook works
Medicare's Facility Affiliation Data lists Lillie Cook at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AMITA Health Resurrection Medical CenterChicago, IL · Acute Care Hospital · CCN 140117
- Presence Saint Joseph Hospital - ChicagoChicago, IL · Acute Care Hospital · CCN 140224
- Saint Francis Hospital-EvanstonEvanston, IL · Acute Care Hospital · CCN 140080
Practice locations
Addresses where Lillie Cook is enrolled with Medicare (CMS data updated 2026-10-02).
- 1415 S Arlington Heights RdArlington Heights, IL 60005
- 331 W Surf StChicago, IL 60657
- 745 Fletcher Dr, Suite 202Elgin, IL 60123 (847) 888‑1300
- 800 Austin St, Suite 403Evanston, IL 60202 (847) 491‑9020
Group practices
Medicare enrollment lists Lillie Cook as a member of this group (CMS data updated 2026-10-02).
- Illinois Gastroenterology Group LLC115 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Arlington Heights
Clinicians with the same Medicare primary specialty in Arlington Heights, IL — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1205583085 |
| 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