Active NPI
Viviana Castillo
- Speech-Language Assistant
- Spring, TX
National Provider Identifier
1982548020
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Speech-Language Assistant
- License
- 43641
- Practice address
- 25929 Cypresswood Drive
Suite D
Spring, TX 73773 - Phone
- (713) 364-4831
- NPI assigned
- Apr 17, 2026
- Sex
- Female
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Speech-Language Assistant | 2355S0801X | 43641 | TX | Primary |
Addresses
Primary practice location
25929 Cypresswood Drive
Suite D
Spring, TX 73773
Mailing address
13919 Polarstone CT
Houston, TX 77044-5793
Phone (713) 538-5129
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
| License | State | Type | Specialty |
|---|---|---|---|
| 43641 | TX | MD | Speech-Language Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Houston'S Speech Spot, LLC | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- Speech-Language Pathologist
- Spring, TX
- NPI 1538014246
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1776384000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776384000000",
"number": "1982548020",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "13919 POLARSTONE CT",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770445793",
"telephone_number": "713-538-5129"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "25929 CYPRESSWOOD DRIVE",
"address_2": "SUITE D",
"city": "SPRING",
"state": "TX",
"postal_code": "73773",
"telephone_number": "713-364-4831"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CASTILLO",
"first_name": "VIVIANA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-04-17",
"last_updated": "2026-04-17",
"certification_date": "2026-04-13",
"status": "A"
},
"taxonomies": [
{
"code": "2355S0801X",
"taxonomy_group": "",
"desc": "Specialist/Technologist, Speech-Language Assistant",
"state": "TX",
"license": "43641",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Spring, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 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.