Catherine O'Sullivan, MSW, LCSW
NPI 1184160285 · Clinical Social Worker · Saint Louis, MO
Catherine O'Sullivan, MSW, LCSW is a Clinical Social Worker provider in Saint Louis, MO (NPI 1184160285).
Provider details
- NPI number
- 1184160285
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 2014043839 (MO)
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
9 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
- 2017-01-12
- Last updated
- 2026-04-20
- Certified
- 2026-04-20
Frequently asked questions
- What is Catherine O'Sullivan's NPI number?
- Catherine O'Sullivan's National Provider Identifier (NPI) is 1184160285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine O'Sullivan's specialty?
- Catherine O'Sullivan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Catherine O'Sullivan located?
- Catherine O'Sullivan's practice location on file with NPPES is 1001 Lynch St, Saint Louis, MO 63118-1818.
- What is Catherine O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Catherine O'Sullivan is (314) 535-5600.
- Is Catherine O'Sullivan's NPI active?
- Yes — Catherine O'Sullivan's NPI (1184160285) is active in the NPPES registry as of the last update on 2026-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.