Individual provider Active NPI

Juan Sebastian Ariza, MD

  • Allergy & Immunology Physician
  • San Antonio, TX
National Provider Identifier
1285211789
Registry record updated Jul 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Allergy & Immunology PhysicianTaxonomy code 207K00000X
License
0101276108 Issued in VA
Practice address
1100 Wilford Hall Loop
San Antonio, TX 78236-5638
Phone
(210) 292-4277
NPI assigned
Mar 29, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 28, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 0101276108 VA
Allergy & Immunology Physician 207K00000X 0101276108 VA Primary

Addresses

Primary practice location

1100 Wilford Hall Loop
San Antonio, TX 78236-5638

Mailing address

1100 Wilford Hall Loop
San Antonio, TX 78236-5638
Phone (786) 623-1071

Other practice location 1

3551 Roger Brooke Dr
Fort Sam Houston, TX 78234-4504
Phone (210) 916-7500

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA
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

Enrollment IDStateProvider typePAC IDDetails
I20231219000193 VA Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 6305296203

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

NPI Registry JSON

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

{
    "created_epoch": "1616976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785196800000",
    "number": "1285211789",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1100 WILFORD HALL LOOP",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782365638",
            "telephone_number": "786-623-1071"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 WILFORD HALL LOOP",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782365638",
            "telephone_number": "210-292-4277"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3551 Roger Brooke Dr",
            "address_purpose": "LOCATION",
            "city": "Fort Sam Houston",
            "state": "TX",
            "postal_code": "782344504",
            "country_code": "US",
            "telephone_number": "210-916-7500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ARIZA",
        "first_name": "JUAN",
        "middle_name": "SEBASTIAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-29",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101276108",
            "primary": false
        },
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "VA",
            "license": "0101276108",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.