KAREN CASSIMERE-SULLIVAN LCSW
NPI 1497333876
Social Worker - Clinical in Slidell, LA

Q: What is Karen Cassimere-sullivan's NPI number?

The NPI number for Karen Cassimere-sullivan is 1497333876. It was assigned to this individual provider in the NPPES registry on March 29, 2021.

Q: What is Karen Cassimere-sullivan's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Active since March 29, 2021PECOS Enrolled

2331 CAREY ST, SLIDELL, LA 70458(985) 646-6406 Get Directions Write a Review

NPPES record last updated: December 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 5, 2025, Feb 13, 2025, Mar 29, 2021 (3 updates tracked since 2021).

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About Karen Cassimere-sullivan Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN CASSIMERE-SULLIVAN LCSW (NPI 1497333876) is an individual clinical provider in Slidell, Louisiana, licensed in Louisiana (15944) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497333876

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameKAREN CASSIMERE-SULLIVANCredential: LCSW

Location Address2331 CAREY STSlidell, LA 70458-3627

Mailing Address2331 Carey StSlidell, LA 70458-3627 · (985) 646-6406

Phone(985) 646-6406

Sole ProprietorYes

Enumeration DateMarch 29, 2021

Last NPPES UpdateDecember 5, 20253 updates tracked since enumeration

NPPES CertifiedDecember 5, 2025

✔ NPI 1497333876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

License✔ Licensed in LA · 15944

Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

2331 CAREY ST, Slidell, LA 70458

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen Cassimere-sullivan Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Karen Cassimere-sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Florida Parishes Human Services Authority

Same address

Community/Behavioral Health

2331 CAREY ST
Slidell, LA 70458

Reassigned Medicare billing, Louisiana enrollment
68 clinicians in this Medicare group

NPI 1598194094 (985) 646-6406

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70458 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$0.00 typical visit price

range $53.43 – $164.73

Typical copayment $0.00 (range $13.35 – $41.18)

Most-billed visit code NA

Established Patient

$67.06 typical visit price

range $16.64 – $133.62

Typical copayment $16.76 (range $4.16 – $33.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THOMAS ROWAN CAC, PSS

Peer Specialist