Active NPI
Kelsie Marilyn Williams, PA
- Physician Assistant
- Baton Rouge, LA
National Provider Identifier
1871439158
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- Practice address
- 5000 Hennessy Blvd
Baton Rouge, LA 70808-4375 - Phone
- (225) 765-6565
- NPI assigned
- Apr 28, 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | Primary |
Addresses
Primary practice location
5000 Hennessy Blvd
Baton Rouge, LA 70808-4375
Mailing address
156 Jordan CT
La Place, LA 70068-5802
Phone (985) 817-5075
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
- Credentials
- Physician Assistant
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1777334400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777334400000",
"number": "1871439158",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "156 JORDAN CT",
"city": "LA PLACE",
"state": "LA",
"postal_code": "700685802",
"telephone_number": "985-817-5075"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5000 HENNESSY BLVD",
"city": "BATON ROUGE",
"state": "LA",
"postal_code": "708084375",
"telephone_number": "225-765-6565"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMS",
"first_name": "KELSIE",
"middle_name": "MARILYN",
"credential": "PA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-04-28",
"last_updated": "2026-04-28",
"certification_date": "2026-04-28",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Baton Rouge, LA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 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.