MR. WILLIAM K. LANIER LCSW
NPI 1659559235
Social Worker - Clinical in Marianna, FL

Active since February 05, 2008PECOS Enrolled
4126 INDEPENDENT DR, MARIANNA, FL 32448(850) 394-4907(850) 526-5536 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 2, 2026, May 3, 2023, Jan 15, 2019 (3 updates tracked since 2019).

About Mr. William K. Lanier Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM K. LANIER LCSW (NPI 1659559235) is an individual clinical provider in Marianna, Florida, licensed in Florida (SW5347) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS and maintains a secondary practice location in Malone.

NPPES Registry Identity

NPI1659559235
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. WILLIAM K. LANIERCredential: LCSW
Location Address4126 INDEPENDENT DRMarianna, FL 32448-4023
Mailing Address403 E 11th StPanama City, FL 32401-3409 · (850) 747-5599 · Fax (850) 872-4131
Fax(850) 526-5536
Sole ProprietorNo
Enumeration DateFebruary 5, 2008
Last NPPES UpdateJune 2, 20263 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
NPI 1659559235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in FL · SW5347
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedBehavior AnalystTaxonomy 103K00000X · License 1-09-5342 (FL)
4126 INDEPENDENT DR, Marianna, FL 32448

Secondary Practice Location 1

Location 15336 10th StMalone, FL 32445-3429 · Phone (850) 569-2053

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mr. William K. Lanier Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32448 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $56.00 – $171.84
Typical copayment $0.00 (range $14.00 – $42.96)
Most-billed visit code NA
Established Patient
$70.04 typical visit price
range $17.57 – $139.16
Typical copayment $17.51 (range $4.39 – $34.79)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dentist (General Practice)
4126 INDEPENDENT DR
MARIANNA, FL 32448
Dentist
4126 INDEPENDENT DR
MARIANNA, FL 32448
Dentist (General Practice)
4126 INDEPENDENT DR
MARIANNA, FL 32448
Clinic/Center (Federally Qualified Health Center (FQHC))
4126 INDEPENDENT DR
MARIANNA, FL 32448
Nurse Practitioner (Family)
4126 INDEPENDENT DR
MARIANNA, FL 32448
Clinic/Center (Federally Qualified Health Center (FQHC))
4126 INDEPENDENT DR
MARIANNA, FL 32448

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Lanier's NPI number?

The NPI number for William Lanier is 1659559235. It was assigned to this individual provider in the NPPES registry on February 5, 2008.

Where is William Lanier located?

William Lanier practices at 4126 Independent Dr, Marianna, FL 32448. The listed phone number is (850) 394-4907.

What is William Lanier's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is William Lanier enrolled in Medicare?

Yes. William Lanier is registered in the Medicare PECOS enrollment system.

What insurance does William Lanier accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Oscar Health Maintenance Organization of Florida list William Lanier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Lanier was last updated on June 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.