Individual provider Active NPI

Yihnan Chiou, MD

  • Emergency Medicine Physician
  • West Frankfort, IL
National Provider Identifier
1104812189
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
03650922 Issued in IL
Practice address
11650 Country Club Rd
West Frankfort, IL 62896-5036
Phone
(618) 932-3287
NPI assigned
Sep 23, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 03650922 IL Primary

Addresses

Primary practice location

11650 Country Club Rd
West Frankfort, IL 62896-5036

Mailing address

11650 Country Club Rd
West Frankfort, IL 62896-5036
Phone (618) 932-3287

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
03650922ILMDEmergency Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1127433600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1104812189",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11650 COUNTRY CLUB RD",
            "city": "WEST FRANKFORT",
            "state": "IL",
            "postal_code": "628965036",
            "telephone_number": "618-932-3287"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11650 COUNTRY CLUB RD",
            "city": "WEST FRANKFORT",
            "state": "IL",
            "postal_code": "628965036",
            "telephone_number": "618-932-3287"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHIOU",
        "first_name": "YIHNAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "03650922",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in West Frankfort, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.