Lillie Cook

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

085009578 Issued in IL

Practice address

331 W Surf St Ste 912
Chicago, IL 60657-7227

Phone

(847) 491-9020

Fax

(847) 491-0182

NPI assigned

Mar 2, 2022

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Illinois Gastroenterology Group LLCGroup PAC ID 5193857423, 116 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint Francis Hospital-Evanston Hospital, Evanston, IL, CCN 140080
• Presence Saint Joseph Hospital - Chicago Hospital, Chicago, IL, CCN 140224
• Amita Health Resurrection Medical Center Hospital, Chicago, IL, CCN 140117

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Illinois Gastroenterology Group, LLC

  • Gastroenterology Physician
  • Elgin, IL
  • NPI 1316277817
  Medicare reassignment Care Compare group NPD
• Humboldt Park Health

  • Family Medicine Physician
  • Chicago, IL
  • NPI 1740417153
  Medicare reassignment NPD
• Elgin Gastroenterology Endoscopy Center LLC

  • Ambulatory Surgical Clinic/Center
  • Elgin, IL
  • NPI 1992875454
  NPD
• Elgin Gastroenterology SC

  • Gastroenterology Physician
  • Elgin, IL
  • NPI 1932291101
  NPD
• Northwest Gastroenterologists SC

  • Specialist
  • Arlington Heights, IL
  • NPI 1801886221
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Presence Chicago Hospitals Network

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1679659585
  Care Compare affiliation
• Resurrection Medical Center - Chicago LLC

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1811735228
  Care Compare affiliation
• Saint Francis Hospital - Evanston LLC

  • General Acute Care Hospital
  • Evanston, IL
  • NPI 1982442398
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1646179200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763596800000",
    "number": "1205583085",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "331 W SURF ST STE 912",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606577227"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "331 W SURF ST STE 912",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606577227",
            "telephone_number": "847-491-9020",
            "fax_number": "847-491-0182"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "800 Austin St",
            "address_purpose": "LOCATION",
            "city": "Evanston",
            "state": "IL",
            "postal_code": "602023439",
            "country_code": "US",
            "telephone_number": "847-491-9020",
            "fax_number": "847-491-0182",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "COOK",
        "first_name": "LILLIE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-03-02",
        "last_updated": "2025-11-20",
        "certification_date": "2025-11-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085009578",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph Melvin Cook, RBT
• Katie Marie Cook
• Kelly Cook, APRN
• Kendall Cook
• Latasha M Cook, RN
• Madeline Cook, MD, MCR
• Margaret Cook
• Mary Emma Cook, LCSW
• Matasha Virdora Cook
• Meloney Cook

• Physician Assistant in Chicago, IL
• Providers in Chicago, IL by specialty
• Physician Assistant in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 20, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.