Active NPI
James Sawyer Williamson, ATC
- Athletic Trainer
- Warren, MI
National Provider Identifier
1245866201
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Athletic Trainer
- License
- 2601002927
- Practice address
- 26242 Audrey Ave
Warren, MI 48091-1214 - Phone
- (801) 564-5100
- NPI assigned
- Mar 20, 2020
- 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 |
|---|---|---|---|---|
| Athletic Trainer | 2255A2300X | 2601002927 | MI | Primary |
Addresses
Primary practice location
26242 Audrey Ave
Warren, MI 48091-1214
Mailing address
26242 Audrey Ave
Warren, MI 48091-1214
Phone (801) 564-5100
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 |
|---|---|---|---|
| 2601002927 | MI | MD | Athletic Trainer |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1584662400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762905600000",
"number": "1245866201",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "26242 AUDREY AVE",
"city": "WARREN",
"state": "MI",
"postal_code": "480911214",
"telephone_number": "801-564-5100"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "26242 AUDREY AVE",
"city": "WARREN",
"state": "MI",
"postal_code": "480911214",
"telephone_number": "801-564-5100"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMSON",
"first_name": "JAMES",
"middle_name": "SAWYER",
"credential": "ATC",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2020-03-20",
"last_updated": "2025-11-12",
"certification_date": "2025-11-12",
"status": "A"
},
"taxonomies": [
{
"code": "2255A2300X",
"taxonomy_group": "",
"desc": "Specialist/Technologist, Athletic Trainer",
"state": "MI",
"license": "2601002927",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Warren, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 12, 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.