Active NPI
William K. Lanier, LCSW
- Clinical Social Worker
- Marianna, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- SW5347
- Practice address
- 4126 Independent Dr
Marianna, FL 32448-4023 - Phone
- (850) 394-4907
- Fax
- (850) 526-5536
- NPI assigned
- Feb 5, 2008
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Behavior Analyst | 103K00000X | 1-09-5342 | FL | |
| Clinical Social Worker | 1041C0700X | SW5347 | FL | Primary |
Addresses
Primary practice location
4126 Independent Dr
Marianna, FL 32448-4023
Mailing address
403 E 11TH St
Panama City, FL 32401-3409
Phone (850) 747-5599
Other practice location 1
5336 10th St
Malone, FL 32445-3429
Phone (850) 569-2053
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in FL
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Florida Therapy Services, Inc | Current | Accepting new patients | |
| Pancare of Florida, Inc | Current | Accepting new patients | |
| Pancare of Florida, Inc | Past | Accepting new patients | |
| Senior Psych Solutions Corp | Clinical | Past | Accepting new patients |
Locations
11033 NW State Road 20
Bristol, FL 32321
Phone (850) 643-1155
1414 Main St
Ste 4
Chipley, FL 32428
Phone (850) 676-4926
5336 10th St
Malone, FL 32445
Phone (850) 569-2021
4126 Independent Dr
Marianna, FL 32448
Phone (850) 394-4907
459 Grace Ave
Ste 504
Panama City, FL 32401
403 E 11th St
Panama City Beach, FL 32401
Phone (850) 747-5599
6425 Pensacola Blvd
#13
Pensacola, FL 32505
Phone (850) 471-0017
Organizations & group practices 4
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.
-
- Federally Qualified Health Center (FQHC)
- Panama City, FL
- NPI 1366456287
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Pensacola, FL
- NPI 1407427800
-
- Federally Qualified Health Center (FQHC)
- Bristol, FL
- NPI 1275346108
-
- Clinical Social Worker
- Atlanta, GA
- NPI 1225078629
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1202169600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780358400000",
"number": "1659559235",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "403 E 11TH ST",
"city": "PANAMA CITY",
"state": "FL",
"postal_code": "324013409",
"telephone_number": "850-747-5599",
"fax_number": "850-872-4131"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4126 INDEPENDENT DR",
"city": "MARIANNA",
"state": "FL",
"postal_code": "324484023",
"telephone_number": "850-394-4907",
"fax_number": "850-526-5536"
}
],
"practiceLocations": [
{
"address_1": "5336 10th St",
"address_purpose": "LOCATION",
"city": "Malone",
"state": "FL",
"postal_code": "324453429",
"country_code": "US",
"telephone_number": "850-569-2053",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LANIER",
"first_name": "WILLIAM",
"middle_name": "K.",
"name_prefix": "Mr.",
"credential": "LCSW",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2008-02-05",
"last_updated": "2026-06-02",
"certification_date": "2026-06-02",
"status": "A"
},
"taxonomies": [
{
"code": "103K00000X",
"taxonomy_group": "",
"desc": "Behavior Analyst",
"state": "FL",
"license": "1-09-5342",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "FL",
"license": "SW5347",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Marianna, FL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.