Catherine O'Sullivan, MSW, LCSW
Clinical Social Worker · Saint Louis, MO
Catherine O'Sullivan, MSW, LCSW is a clinical social worker with a practice address in Saint Louis, Missouri, and NPI 1184160285, issued on Jan 12, 2017. Check the license (Missouri 2014043839, as entered in NPPES) with the Missouri board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Catherine O'Sullivan
- Credential
- MSW, LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 2014043839 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Lynch St, Saint Louis, MO 63118
- Phone
- (314) 535-5600
- Enumerated
- Jan 12, 2017
- Record last updated
- Jul 29, 2026
- Medicare enrollment
- Enrolled (PECOS I20260609000180); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 5,398 in Missouri → Look up another NPI →
Also registered at 1001 Lynch St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittany Bajier, LPCProfessional Counselor1376819003
- Caroline Barrettsmart, LCSWClinical Social Worker1447820568
- Desiree Baumgartner, MDPsychiatry Physician1811370273
- Samantha Bigham, OTOccupational Therapist1033071725
- Julia Blanco, LCSWClinical Social Worker1750558151
- India Boyd-Monroe, MA, LPCProfessional Counselor1710522438
Verify Catherine O'Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2014043839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Catherine O'Sullivan among 5,398 clinical social worker records in Missouri
Catherine O'Sullivan, MSW, LCSW is one of 5,398 clinical social worker records with a practice address in Missouri. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2017, is newer than 55% of them.
- NPI issued2017 · 55% of these records are older, 41% newer
- In a Medicare fileNo · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 18% of these records are
- Graduated2008 · median 2010 among the 978 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,474 clinical social worker records list a practice address in Saint Louis
They are 1,474 of the 27,605 NPPES records with a practice address in Saint Louis, and 5,398 clinical social worker records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,398 in Missouri → Every provider in Saint Louis → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Barbara Allan, LCSWSaint Louis, MO 631181679019046
- Julia Blanco, LCSWSaint Louis, MO 631181750558151
- Gloria Diggs, LCSWSaint Louis, MO 631181659635456
- Charles Freesmeier, MSW, LCSWSaint Louis, MO 631181760619589
- David Gaillardetz, LCSWSaint Louis, MO 631181174078141
- Suzanne Kenyon, LCSWSaint Louis, MO 631181932376654
- Nancy Phillips-Kuelker, LCSWSaint Louis, MO 631181437355286
- Jennifer Scott, M.S.W.Saint Louis, MO 631181255632428
Common questions
What is Catherine O'Sullivan, MSW, LCSW's NPI number?
Catherine O'Sullivan, MSW, LCSW's National Provider Identifier (NPI) is 1184160285, issued on Jan 12, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Catherine O'Sullivan, MSW, LCSW located?
The NPPES record lists a practice address at 1001 Lynch St, Saint Louis, MO, 63118. Phone: (314) 535-5600. Providers update this record themselves, so call before visiting.
How can I verify Catherine O'Sullivan, MSW, LCSW's license?
NPPES lists Missouri license number 2014043839, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.