Alison Johnston, LCSW
NPI 1811040835 · Clinical Social Worker · Slidell, LA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alison Johnston, LCSW is a Clinical Social Worker provider in Slidell, LA (NPI 1811040835).
Provider details
- NPI number
- 1811040835
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 3760 (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
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)
- 5001 Highway 190 East Service Rd Ste C4Covington, LA 70433-4949Phone: (985) 727-0079Fax: (985) 778-2155
Registry dates
- Enumerated
- 2007-01-21
- Last updated
- 2018-10-17
Frequently asked questions
- What is Alison Johnston's NPI number?
- Alison Johnston's National Provider Identifier (NPI) is 1811040835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison Johnston's specialty?
- Alison Johnston is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Alison Johnston located?
- Alison Johnston's practice location on file with NPPES is 2836 Front St, Slidell, LA 70458-4334.
- What is Alison Johnston's phone number?
- The practice phone number listed in the NPPES registry for Alison Johnston is (985) 727-0079.
- Does Alison Johnston accept Medicare?
- Alison Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alison Johnston's NPI active?
- Yes — Alison Johnston's NPI (1811040835) is active in the NPPES registry as of the last update on 2018-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.