William Lanier, LCSW
NPI 1659559235 · Clinical Social Worker · Marianna, FL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Lanier, LCSW is a Clinical Social Worker provider in Marianna, FL (NPI 1659559235).
Provider details
- NPI number
- 1659559235
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 1-09-5342 (FL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 5336 10th StMalone, FL 32445-3429Phone: (850) 569-2053
Registry dates
- Enumerated
- 2008-02-05
- Last updated
- 2026-06-02
- Certified
- 2026-06-02
Frequently asked questions
- What is William Lanier's NPI number?
- William Lanier's National Provider Identifier (NPI) is 1659559235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lanier's specialty?
- William Lanier is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Lanier located?
- William Lanier's practice location on file with NPPES is 4126 Independent Dr, Marianna, FL 32448-4023.
- What is William Lanier's phone number?
- The practice phone number listed in the NPPES registry for William Lanier is (850) 394-4907.
- Does William Lanier accept Medicare?
- William Lanier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Lanier's NPI active?
- Yes — William Lanier's NPI (1659559235) is active in the NPPES registry as of the last update on 2026-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.