Active NPI
Alexander Estrella
- Hearing Instrument Specialist
- Dallas, TX
National Provider Identifier
1689595308
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hearing Instrument Specialist
- License
- 81175
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hearing Instrument Specialist | 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
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.
-
- Hearing Instrument Specialist
- Dallas, TX
- NPI 1114201746
-
- Hearing Instrument Specialist
- Amarillo, TX
- NPI 1740686575
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.