Individual provider Active NPI

Diane L McGowan, M.D.

  • Plastic Surgery within the Head & Neck (Otolaryngology) Physician
  • Lagrange, GA
National Provider Identifier
1801822978
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Plastic Surgery within the Head & Neck (Otolaryngology) PhysicianTaxonomy code 207YX0007X
License
29040 Issued in GA
Practice address
Clark-Holder Clinic, P.a.
303 Smith Street
Lagrange, GA 30240
Phone
(706) 882-8831
Fax
(706) 812-4091
NPI assigned
Jun 23, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X 29049 GA
Plastic Surgery within the Head & Neck (Otolaryngology) Physician 207YX0007X 29040 GA Primary
Otolaryngology/Facial Plastic Surgery Physician 207YX0905X 29049 GA

Addresses

Primary practice location

Clark-Holder Clinic, P.a.
303 Smith Street
Lagrange, GA 30240

Mailing address

Clark-Holder Clinic, P.a.
303 Smith Street
Lagrange, GA 30240
Phone (706) 882-8831

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
29049GAMDOtolaryngology Physician
29040GAMDPlastic Surgery within the Head & Neck (Otolaryngology) Physician

Interoperability endpoints

  • Direct secure messaging: diane.mcgowan@westgahealth.gadirect.net

NPI Registry JSON

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

{
    "created_epoch": "1151020800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1801822978",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "CLARK-HOLDER CLINIC, P.A.",
            "address_2": "303 SMITH STREET",
            "city": "LAGRANGE",
            "state": "GA",
            "postal_code": "30240",
            "telephone_number": "706-882-8831",
            "fax_number": "706-812-4091"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "CLARK-HOLDER CLINIC, P.A.",
            "address_2": "303 SMITH STREET",
            "city": "LAGRANGE",
            "state": "GA",
            "postal_code": "30240",
            "telephone_number": "706-882-8831",
            "fax_number": "706-812-4091"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCGOWAN",
        "first_name": "DIANE",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-23",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "GA",
            "license": "29049",
            "primary": false
        },
        {
            "code": "207YX0007X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Plastic Surgery within the Head & Neck",
            "state": "GA",
            "license": "29040",
            "primary": true
        },
        {
            "code": "207YX0905X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Otolaryngology/Facial Plastic Surgery",
            "state": "GA",
            "license": "29049",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lagrange, GA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.