Individual provider Active NPI

Mark Edward Holliday

  • General Practice Physician
  • San Antonio, TX
National Provider Identifier
1538857602
Registry record updated Mar 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice PhysicianTaxonomy code 208D00000X
License
ME178158 Issued in FL
Practice address
6000 Randolph Blvd Apt 37202
San Antonio, TX 78233-5872
Phone
(979) 479-5283
NPI assigned
Apr 26, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 16, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
General Practice Physician 208D00000X ME178158 FL Primary

Addresses

Primary practice location

6000 Randolph Blvd Apt 37202
San Antonio, TX 78233-5872

Mailing address

6000 Randolph Blvd Apt 37202
San Antonio, TX 78233-5872

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

State licenses

LicenseStateTypeSpecialty
ME178158FLMDGeneral Practice Physician

Interoperability endpoints

  • Direct secure messaging: mholliday29639@direct.utmsa.com

NPI Registry JSON

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

{
    "created_epoch": "1682467200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773619200000",
    "number": "1538857602",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6000 RANDOLPH BLVD APT 37202",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782335872"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6000 RANDOLPH BLVD APT 37202",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782335872",
            "telephone_number": "979-479-5283"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLLIDAY",
        "first_name": "MARK",
        "middle_name": "EDWARD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-04-26",
        "last_updated": "2026-03-16",
        "certification_date": "2026-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "FL",
            "license": "ME178158",
            "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 Mar 16, 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.