Individual provider Active NPI

Elizabeth Loudon, M.D. P.A.

  • Dermatology Physician
  • San Antonio, TX
National Provider Identifier
1275571283
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
J6161 Issued in TX
Practice address
7434 Louis Pasteur
Suite 220
San Antonio, TX 78229-4538
Phone
(210) 615-9494
Fax
(210) 615-1514
NPI assigned
Jun 2, 2006
Sex
Female
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
Dermatology Physician 207N00000X J6161 TX Primary

Addresses

Primary practice location

7434 Louis Pasteur
Suite 220
San Antonio, TX 78229-4538

Mailing address

7434 Louis Pasteur
Suite 220
San Antonio, TX 78229-4538
Phone (210) 615-9494

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)
Not enrolled
Credentials
Doctor of Medicine, Physician Assistant

State licenses

LicenseStateTypeSpecialty
J6161TXMDDermatology Physician

NPI Registry JSON

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

{
    "created_epoch": "1149206400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1275571283",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7434 LOUIS PASTEUR",
            "address_2": "SUITE 220",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294538",
            "telephone_number": "210-615-9494",
            "fax_number": "210-615-1514"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7434 LOUIS PASTEUR",
            "address_2": "SUITE 220",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294538",
            "telephone_number": "210-615-9494",
            "fax_number": "210-615-1514"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOUDON",
        "first_name": "ELIZABETH",
        "credential": "M.D. P.A.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "TX",
            "license": "J6161",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

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.