Charles Owen Nation III, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

0101282868 Issued in VA

Practice address

323 E Chestnut St
Louisville, KY 40202-1823

Phone

(843) 325-4165

NPI assigned

Apr 3, 2021

Sex

Male

Sole proprietor

No

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 KY

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

Merit-based Incentive Payment System (MIPS)

Final score

83.95 of 100Reported as group

Quality

69.91

Promoting interoperability

99

Improvement activities

40

Cost

77.42

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1617408000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746576000000",
    "number": "1790364206",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3921 LELAND RD",
            "city": "LOUISVILLE",
            "state": "KY",
            "postal_code": "402072005",
            "telephone_number": "843-325-4165"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "323 E CHESTNUT ST",
            "city": "LOUISVILLE",
            "state": "KY",
            "postal_code": "402021823",
            "telephone_number": "843-325-4165"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NATION",
        "first_name": "CHARLES",
        "middle_name": "OWEN",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-03",
        "last_updated": "2025-05-07",
        "certification_date": "2025-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101282868",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Mark C Nation, DMD
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• Internal Medicine Physician in Louisville, KY
• Providers in Louisville, KY by specialty
• Internal Medicine Physician in Kentucky

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 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.