Active NPI
Erika Lajoyce Williams, PTA
- Physical Therapy Assistant
- Joliet, IL
National Provider Identifier
1780565200
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Therapy Assistant
- License
- 160.006756
- Practice address
- 421 Doris Ave
Joliet, IL 60433-2569 - Phone
- (708) 359-3468
- NPI assigned
- Sep 10, 2025
- 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 |
|---|---|---|---|---|
| Physical Therapy Assistant | 225200000X | 160.006756 | IL | Primary |
Addresses
Primary practice location
421 Doris Ave
Joliet, IL 60433-2569
Mailing address
4 Ash St
Park Forest, IL 60466-1404
Phone (708) 359-3468
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 |
|---|---|---|---|
| 160.006756 | IL | MD | Physical Therapy Assistant |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1757462400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761264000000",
"number": "1780565200",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4 ASH ST",
"city": "PARK FOREST",
"state": "IL",
"postal_code": "604661404",
"telephone_number": "708-359-3468"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "421 DORIS AVE",
"city": "JOLIET",
"state": "IL",
"postal_code": "604332569",
"telephone_number": "708-359-3468"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMS",
"first_name": "ERIKA",
"middle_name": "LAJOYCE",
"credential": "PTA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-09-10",
"last_updated": "2025-10-24",
"certification_date": "2025-09-10",
"status": "A"
},
"taxonomies": [
{
"code": "225200000X",
"taxonomy_group": "",
"desc": "Physical Therapy Assistant",
"state": "IL",
"license": "160.006756",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Joliet, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 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.