Alexander Jacob Giannascoli, ABOC

Primary specialty

OpticianTaxonomy code 156FX1800X

License

259983 Issued in TX

Practice address

4700 E Palm Valley Blvd
Round Rock, TX 78665-2580

Phone

(512) 218-9287

Fax

(512) 218-9358

NPI assigned

Sep 18, 2025

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1758153600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1821960196",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4700 E PALM VALLEY BLVD",
            "city": "ROUND ROCK",
            "state": "TX",
            "postal_code": "786652580",
            "telephone_number": "512-218-9287",
            "fax_number": "512-218-9358"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4700 E PALM VALLEY BLVD",
            "city": "ROUND ROCK",
            "state": "TX",
            "postal_code": "786652580",
            "telephone_number": "512-218-9287",
            "fax_number": "512-218-9358"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GIANNASCOLI",
        "first_name": "ALEXANDER",
        "middle_name": "JACOB",
        "credential": "ABOC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-09-18",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "156FX1800X",
            "taxonomy_group": "",
            "desc": "Technician/Technologist, Optician",
            "state": "TX",
            "license": "259983",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dean Andrew Geske, D.C.
• Jennifer Elaine Ghafoor
• Aline Ghaleb, M.D.
• Ronak D Ghiya, M.D.
• Sarah Gianan
• Joseph Vincent Giasi, DDS, MS
• Marc Edward Gibbons, PTA
• Kyle Gibbs
• Indira Gibby, LPC
• Gibson Counseling

• Optician in Round Rock, TX
• Providers in Round Rock, TX by specialty
• Optician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 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.