LILLIE COOK
NPI 1205583085
Physician Assistant in Chicago, IL
About Lillie Cook NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LILLIE COOK (NPI 1205583085) is an individual physician assistant in Chicago, Illinois, licensed in Illinois (085009578) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Presence Saint Francis Hospital, and maintains a secondary practice location in Evanston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lillie Cook is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presence Saint Francis Hospital
Acute Care Hospitals · Evanston, ILAmita Health Resurrection Medical Center
Acute Care Hospitals · Chicago, ILPresence Saint Joseph Hospital - Chicago
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60657 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lillie Cook's NPI number?
The NPI number for Lillie Cook is 1205583085. It was assigned to this individual provider in the NPPES registry on March 2, 2022.
Where is Lillie Cook located?
Lillie Cook practices at 331 W Surf St Ste 912, Chicago, IL 60657. The listed phone number is (847) 491-9020.
What is Lillie Cook's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Lillie Cook enrolled in Medicare?
Yes. Lillie Cook is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Lillie Cook accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Lillie Cook as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Lillie Cook affiliated with any hospitals?
According to CMS data, Lillie Cook is affiliated with Presence Saint Francis Hospital, Amita Health Resurrection Medical Center and Presence Saint Joseph Hospital - Chicago.
When was this NPI record last updated?
The NPPES record for Lillie Cook was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
