Courtney Leigh Garrison

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

209034618 Issued in IL

Practice address

2401 S Center St
Maryville, IL 62062-5401

Phone

(618) 344-3046

Fax

(618) 344-5284

NPI assigned

Dec 29, 2025

Last updated

Mar 23, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

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

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

HSHS Medical Group IncGroup PAC ID 5092857821, 212 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Johns Hospital Hospital, Springfield, IL, CCN 140053
• HSHS St Elizabeth's Hospital Hospital, O Fallon, IL, CCN 140187
• Anderson Hospital Hospital, Maryville, IL, CCN 140289

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• HSHS Medical Group Inc

  • Multi-Specialty Clinic/Center
  • Springfield, IL
  • NPI 1962644807
  Medicare reassignment Care Compare group NPD
• HSHS Medical Group Inc

  dba HSHS Medical Group Family Medicine - Dieterich

  • Rural Health Clinic/Center
  • Dieterich, IL
  • NPI 1033841192
  NPD
• HSHS Medical Group Inc

  • Rural Health Clinic/Center
  • Rushville, IL
  • NPI 1487719480
  NPD (past)

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

• Anderson Hospital

  • General Acute Care Hospital
  • Maryville, IL
  • NPI 1053481630
  Care Compare affiliation
• St Elizabeths Hospital of the Hospital Sisters of the Third Order

  dba HSHS St. Elizabeth's Hospital

  • General Acute Care Hospital
  • O'Fallon, IL
  • NPI 1629057302
  Care Compare affiliation
• St Johns Hospital of the Hospital Sisters of the Third Order of St F

  dba HSHS St. John's Hospital

  • General Acute Care Hospital
  • Springfield, IL
  • NPI 1205818481
  Care Compare affiliation

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

{
    "created_epoch": "1766966400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774224000000",
    "number": "1619833290",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2401 S CENTER ST",
            "city": "MARYVILLE",
            "state": "IL",
            "postal_code": "620625401",
            "telephone_number": "618-344-3046",
            "fax_number": "618-344-5284"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2401 S CENTER ST",
            "city": "MARYVILLE",
            "state": "IL",
            "postal_code": "620625401",
            "telephone_number": "618-344-3046",
            "fax_number": "618-344-5284"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GARRISON",
        "first_name": "COURTNEY",
        "middle_name": "LEIGH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-12-29",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209034618",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cgarrison511556@ewd.direct.hshs.org",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CDA/CCD/TXT",
            "address_1": "2401 S Center St",
            "city": "Maryville",
            "state": "IL",
            "country_code": "US",
            "postal_code": "620625401",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Marjorie Kaye Garcia, MA
• Melanie Garland, CRNA
• Brandi Garlich, LCSW
• Jamie Lee Garman, BA,CARS
• Kevin Bradley Garner, M.D.
• Rachel Nicole Gaudreault, PA-C
• Kelly Jester Geldmacher, M.D.
• General and Vascular Surgical Assoc
• Genoa Healthcare LLC
• Anna Joy Gerlach, LPC

• Nurse Practitioner in Maryville, IL
• Providers in Maryville, IL by specialty
• Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 23, 2026; 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.