Marleen Billiot, LCSW
NPI 1629291646 · Clinical Social Worker · Mandeville, LA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marleen Billiot, LCSW is a Clinical Social Worker provider in Mandeville, LA (NPI 1629291646).
Provider details
- NPI number
- 1629291646
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 5274 (LA)
Specialties & taxonomies
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2007-04-10
- Last updated
- 2008-11-24
Frequently asked questions
- What is Marleen Billiot's NPI number?
- Marleen Billiot's National Provider Identifier (NPI) is 1629291646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marleen Billiot's specialty?
- Marleen Billiot is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marleen Billiot located?
- Marleen Billiot's practice location on file with NPPES is 633 Asbury Drive, Mandeville, LA 70471-6511.
- What is Marleen Billiot's phone number?
- The practice phone number listed in the NPPES registry for Marleen Billiot is (504) 261-8926.
- Does Marleen Billiot accept Medicare?
- Marleen Billiot is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marleen Billiot's NPI active?
- Yes — Marleen Billiot's NPI (1629291646) is active in the NPPES registry as of the last update on 2008-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.