NPIMap

Organization Active NPI

Southern Illinois Hospital Services

  • Sleep Disorder Diagnostic Clinic/Center
  • Marion, IL
National Provider Identifier
1023933314
Registry record updated Aug 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Disorder Diagnostic Clinic/CenterTaxonomy code 261QS1200X
Legal business name
SOUTHERN ILLINOIS HOSPITAL SERVICES
Practice address
8305 Express Dr
Marion, IL 62959-7770
Phone
(888) 387-5337
Fax
(618) 529-0565
NPI assigned
Aug 13, 2026
Organization subpart
Yes
Parent organization
SOUTHERN ILLINOIS HOSPITAL SERVICESAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Aug 17, 2026

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

Authorized official

Name
Shannon S Hartke
Title
Corporate Director PFS
Phone
(618) 457-5200

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Sleep Disorder Diagnostic Clinic/Center 261QS1200X Primary

Addresses

Primary practice location

8305 Express Dr
Marion, IL 62959-7770

Mailing address

1239 E Main St
Carbondale, IL 62901-3175
Phone (618) 457-5200

Other names 1

  • ST JOSEPH MEMORIAL HOSPITAL Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Southern Il Hospital SVCS35 organizations share this tax ID, including this one

Other organizations with this tax ID 33

Organizations that report the same tax identification number in the National Provider Directory.

View all 33

Locations

8305 Express Dr
Marion, IL 62959
Phone (888) 387-5337

NPI Registry JSON

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

{
    "created_epoch": "1786579200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786924800000",
    "number": "1023933314",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1239 E MAIN ST",
            "city": "CARBONDALE",
            "state": "IL",
            "postal_code": "629013175",
            "telephone_number": "618-457-5200",
            "fax_number": "618-529-0565"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8305 EXPRESS DR",
            "city": "MARION",
            "state": "IL",
            "postal_code": "629597770",
            "telephone_number": "888-387-5337",
            "fax_number": "618-529-0565"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SOUTHERN ILLINOIS HOSPITAL SERVICES",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "SOUTHERN ILLINOIS HOSPITAL SERVICES",
        "enumeration_date": "2026-08-13",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A",
        "authorized_official_last_name": "HARTKE",
        "authorized_official_first_name": "SHANNON",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "CORPORATE DIRECTOR PFS",
        "authorized_official_telephone_number": "618-457-5200"
    },
    "taxonomies": [
        {
            "code": "261QS1200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Sleep Disorder Diagnostic",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "ST JOSEPH MEMORIAL HOSPITAL",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Marion, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.