Siyuan Christopher Liu, MD/PHD

Primary specialty

Neurocritical Care PhysicianTaxonomy code 2084A2900X

License

036-161471 Issued in IL

Practice address

1775 Dempster St
Park Ridge, IL 60068-1143

Phone

(708) 283-5500

NPI assigned

Mar 18, 2019

Last updated

Oct 21, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Electronic endpoints 3

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Neurology

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Advocate Lutheran General Hospital Hospital, Park Ridge, IL, CCN 140223

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sliu437056@direct.myadvocateaurora.org

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

• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment Care Compare group NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Good Samaritan Hospital

  • General Acute Care Hospital
  • Downers Grove, IL
  • NPI 1578670543
  NPD

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

• Advocate Health and Hospitals Corporation

  dba Advocate Lutheran General Hospital

  • General Acute Care Hospital
  • Park Ridge, IL
  • NPI 1164539730
  Care Compare affiliation

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

{
    "created_epoch": "1552867200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761004800000",
    "number": "1164981247",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731293",
            "telephone_number": "847-390-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1775 DEMPSTER ST",
            "city": "PARK RIDGE",
            "state": "IL",
            "postal_code": "600681143",
            "telephone_number": "708-283-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "251 E Huron St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606113055",
            "country_code": "US",
            "telephone_number": "312-926-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LIU",
        "first_name": "SIYUAN",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Dr.",
        "credential": "MD/PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-03-18",
        "last_updated": "2025-10-21",
        "certification_date": "2025-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084A2900X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurocritical Care",
            "state": "IL",
            "license": "125073670",
            "primary": false
        },
        {
            "code": "2084A2900X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurocritical Care",
            "state": "IL",
            "license": "036-161471",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "ABILITY Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd",
            "address_2": "SteB",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1775 Dempster St",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681143",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "sliu437056@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1775 Dempster St",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681143",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Lisa a. Ditchek, Psy.D., P.C.
• Lisa Kim Medical Associates SC
• Little Hill Psychology Clinic, Inc.
• Little Wildflowers Therapies LLC
• Miranda Liu
• Vivian K Liu, BSN, MSN, CPNP
• Chool Liyanapatabendi, MD
• LM Prasad M.D S.C
• Brooke R Lobianco, APN
• Alan F Lobo, MD

• Neurocritical Care Physician in Park Ridge, IL
• Providers in Park Ridge, IL by specialty
• Neurocritical Care Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 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.