Karen Cassimere-Sullivan, LCSW
Clinical Social Worker · Slidell, LA
Karen Cassimere-Sullivan, LCSW is a clinical social worker with a practice address in Slidell, Louisiana, and NPI 1497333876, issued on Mar 29, 2021. Check the license (Louisiana 15944, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Cassimere-Sullivan
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 15944 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2331 Carey St, Slidell, LA 70458
- Phone
- (985) 646-6406
- Enumerated
- Mar 29, 2021
- Record last updated
- Dec 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20250611001951); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 3,178 in Louisiana → Look up another NPI →
Also registered at 2331 Carey St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie BearPeer Specialist1760106439
- Shamecha BenderLicensed Practical Nurse1861877557
- Josephine BloemerMechanotherapist1417498536
- Elizabeth Brossett, RNRegistered Nurse1841171428
- Cathy Davis, PMHNP-BC, FNP-BCPsychiatric/Mental Health Nurse Practitioner1891152906
- Lynette Doby, LCSW-BACSClinical Social Worker1336485440
Verify Karen Cassimere-Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 15944Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Florida Parishes Human Services AuthorityHammond, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Cassimere-Sullivan among 3,178 clinical social worker records in Louisiana
Karen Cassimere-Sullivan, LCSW is one of 3,178 clinical social worker records with a practice address in Louisiana. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 81% of them.
- NPI issued2021 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 16% of these records are
- Graduated2020 · median 2005 among the 512 with a school on file
- Record last updated2025 · 61% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
70 clinical social worker records list a practice address in Slidell
They are 70 of the 1,838 NPPES records with a practice address in Slidell, and 3,178 clinical social worker records in Louisiana.
All 3,178 in Louisiana → Every provider in Slidell → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Carol Baskin-Kacer, LCSWSlidell, LA 704581568512093
- Linda Hartdegen, LCSW-BACSSlidell, LA 704581164578530
- Mayra Huerstel, LCSWSlidell, LA 704581407977051
- Matthew Johnson, LCSWSlidell, LA 704581316953797
- Alison Johnston, LCSWSlidell, LA 704581811040835
- Ricky Marchetta, L.C.S.W.Slidell, LA 704581083676282
- Colette Martel, MSWSlidell, LA 704581336304864
- Eric Oleson, LCSWSlidell, LA 704581023183498
Common questions
What is Karen Cassimere-Sullivan, LCSW's NPI number?
Karen Cassimere-Sullivan, LCSW's National Provider Identifier (NPI) is 1497333876, issued on Mar 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Karen Cassimere-Sullivan, LCSW located?
The NPPES record lists a practice address at 2331 Carey St, Slidell, LA, 70458. Phone: (985) 646-6406. Providers update this record themselves, so call before visiting.
How can I verify Karen Cassimere-Sullivan, LCSW's license?
NPPES lists Louisiana license number 15944, as entered by the provider. Search the Louisiana 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. Medicare files from data.cms.gov. 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.