Individual provider Active NPI

Alexander Estrella

  • Hearing Instrument Specialist
  • Dallas, TX
National Provider Identifier
1689595308
Registry record updated Jul 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hearing Instrument SpecialistTaxonomy code 237700000X
License
81175 Issued in TX
Practice address
8222 Douglas Ave Ste 815
Dallas, TX 75225-5900
Phone
(214) 360-9331
NPI assigned
Jul 21, 2026
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hearing Instrument SpecialistGroup: 193400000X SINGLE SPECIALTY GROUP 237700000X 81175 TX Primary

Addresses

Primary practice location

8222 Douglas Ave Ste 815
Dallas, TX 75225-5900

Mailing address

2420 Clark St Apt 737
Dallas, TX 75204-2409

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

Practice roles

OrganizationSpecialtyStatusNew patients
Metx, LLC Hearing Instrument Specialist Past Accepting new patients
Metx, LLC Hearing Instrument Specialist PastSince Sep 1, 2019 Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1784592000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784592000000",
    "number": "1689595308",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2420 CLARK ST APT 737",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752042409"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8222 DOUGLAS AVE STE 815",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752255900",
            "telephone_number": "214-360-9331"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ESTRELLA",
        "first_name": "ALEXANDER",
        "name_prefix": "Mr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-07-21",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "237700000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Hearing Instrument Specialist",
            "state": "TX",
            "license": "81175",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 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.