Leland J Irwin, MD

Primary specialty

Emergency Medical Services (Emergency Medicine) PhysicianTaxonomy code 207PE0004X

License

KY20782 Issued in KY

Practice address

1740 Nicholasville Road
Lexington, KY 40503

Phone

(859) 260-6180

Fax

(859) 260-6693

NPI assigned

Feb 22, 2006

Last updated

Jul 13, 2026By the provider in NPPES

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

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Kentucky Medical Services Foundation, Inc

  • Internal Medicine Physician
  • Lexington, KY
  • NPI 1326091448
  NPD

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

{
    "created_epoch": "1140566400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1558336396",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1827",
            "city": "LEXINGTON",
            "state": "KY",
            "postal_code": "40588",
            "telephone_number": "859-277-8179",
            "fax_number": "859-277-9320"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1740 NICHOLASVILLE ROAD",
            "city": "LEXINGTON",
            "state": "KY",
            "postal_code": "40503",
            "telephone_number": "859-260-6180",
            "fax_number": "859-260-6693"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "IRWIN",
        "first_name": "LELAND",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-22",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207PE0004X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Emergency Medical Services",
            "state": "KY",
            "license": "KY20782",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "64207822",
            "state": "KY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alexandra Michele Irvin, APRN, DNP
• Ann Margaret Irvin
• Chloe Danielle Irvin, PA-S
• Michelle Irvin, APRN
• Craig W. Irwin, M.D.
• Nicholas Adams Irwin, M.D.
• Ariana Angele Isaac
• Kathleen Isaac, APRN CNM
• Abby Elizabeth Isaacs, MD
• Carrie L Isaacs, PHARM.D.

• Emergency Medical Services (Emergency Medicine) Physician in Lexington, KY
• Providers in Lexington, KY by specialty
• Emergency Medical Services (Emergency Medicine) Physician in Kentucky

• 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.