Active NPI
Robert Chasen Williams
- Behavior Technician
- Prosper, TX
National Provider Identifier
1811804750
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Technician
- Practice address
- 861 N Coleman St Ste 135
Prosper, TX 75078-2356 - Phone
- (469) 296-8205
- NPI assigned
- Aug 26, 2026
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Behavior Technician | 106S00000X | Primary |
Addresses
Primary practice location
861 N Coleman St Ste 135
Prosper, TX 75078-2356
Mailing address
861 N Coleman St Ste 135
Prosper, TX 75078-2356
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1787702400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787702400000",
"number": "1811804750",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "861 N COLEMAN ST STE 135",
"city": "PROSPER",
"state": "TX",
"postal_code": "750782356"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "861 N COLEMAN ST STE 135",
"city": "PROSPER",
"state": "TX",
"postal_code": "750782356",
"telephone_number": "469-296-8205"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMS",
"first_name": "ROBERT",
"middle_name": "CHASEN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-08-26",
"last_updated": "2026-08-26",
"certification_date": "2026-08-26",
"status": "A"
},
"taxonomies": [
{
"code": "106S00000X",
"taxonomy_group": "",
"desc": "Behavior Technician",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Prosper, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.