Katherine Dillon, LCSW
NPI 1528472974 · Clinical Social Worker · O Fallon, IL
Katherine Dillon, LCSW is a Clinical Social Worker provider in O Fallon, IL (NPI 1528472974).
Provider details
- NPI number
- 1528472974
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2017023531 (MO)
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
12 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
- 2014-06-13
- Last updated
- 2022-07-21
Frequently asked questions
- What is Katherine Dillon's NPI number?
- Katherine Dillon's National Provider Identifier (NPI) is 1528472974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Dillon's specialty?
- Katherine Dillon is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine Dillon located?
- Katherine Dillon's practice location on file with NPPES is 625 Portsmith Place Dr, O Fallon, IL 62269-7061.
- What is Katherine Dillon's phone number?
- The practice phone number listed in the NPPES registry for Katherine Dillon is (727) 600-5088.
- Is Katherine Dillon's NPI active?
- Yes — Katherine Dillon's NPI (1528472974) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.