Diane Johnson, LCSW
NPI 1518300268 · Clinical Social Worker · Mount Vernon, IL
Diane Johnson, LCSW is a Clinical Social Worker provider in Mount Vernon, IL (NPI 1518300268).
Provider details
- NPI number
- 1518300268
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 149010033 (IL)
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
13 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
- 2013-04-12
- Last updated
- 2013-04-12
Frequently asked questions
- What is Diane Johnson's NPI number?
- Diane Johnson's National Provider Identifier (NPI) is 1518300268, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Johnson's specialty?
- Diane Johnson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diane Johnson located?
- Diane Johnson's practice location on file with NPPES is 1 Good Samaritan Way, Mount Vernon, IL 62864-2402.
- What is Diane Johnson's phone number?
- The practice phone number listed in the NPPES registry for Diane Johnson is (618) 899-1435.
- Is Diane Johnson's NPI active?
- Yes — Diane Johnson's NPI (1518300268) is active in the NPPES registry as of the last update on 2013-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.