M.J.A. BEHAVIORAL HEALTH AND WELLNESS
NPI 1215663018
Nurse Practitioner - Psychiatric/Mental Health in Seymour, CT
About M.j.a. Behavioral Health And Wellness NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
M.J.A. BEHAVIORAL HEALTH AND WELLNESS (NPI 1215663018) is a healthcare organization registered as a psychiatric/mental health in Seymour, Connecticut and active in the NPI registry since July 2022. The organization maintains a secondary practice location in Fairfield and lists Cassandra Dessureau-o'hara, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
M.j.a. Behavioral Health And Wellness is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
17Medicare enrollment records show 17 clinicians reassign Medicare billing to M.J.A. Behavioral Health And Wellness, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 5
Clinicians, nearest first (17)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is M.J.A. Behavioral Health And Wellness's NPI number?
The NPI number for M.J.A. Behavioral Health And Wellness is 1215663018. It was assigned to this organization in the NPPES registry on July 26, 2022.
Where is M.J.A. Behavioral Health And Wellness located?
M.J.A. Behavioral Health And Wellness is located at 9 Karlak St, Seymour, CT 06483. The listed phone number is (914) 843-9406.
What is M.J.A. Behavioral Health And Wellness's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is M.J.A. Behavioral Health And Wellness enrolled in Medicare?
Yes. M.J.A. Behavioral Health And Wellness is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through M.J.A. Behavioral Health And Wellness?
According to the CMS Revalidation Reassignment List (October 2026 release), 17 clinicians in 5 Medicare specialties reassign their Medicare billing to M.J.A. Behavioral Health And Wellness. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Clinical Social Worker (6), Mental Health Counselor (5) and Certified Clinical Nurse Specialist (CNS) (2). Of these, 1 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does M.J.A. Behavioral Health And Wellness accept?
Health plans from Anthem Blue Cross and Blue Shield list M.J.A. Behavioral Health And Wellness as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for M.J.A. Behavioral Health And Wellness was last updated on December 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# M.j.a. Behavioral Health And Wellness · NPI 1215663018
Psychiatric/Mental Health organization in Seymour, Connecticut. Organization record, active in the CMS NPPES registry since July 26, 2022.
## Identity
- **NPI:** 1215663018 (Entity type: Organization)
- **Enumerated:** July 26, 2022
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **Organization subpart:** No
- **Authorized official:** Cassandra Dessureau-O'hara, OWNER
## Practice location
- **Address:** 9 KARLAK ST, Seymour, CT 06483-2617
- **Phone:** (914) 843-9406 · **Fax:** (475) 314-3070
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 17 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Clinical Social Worker (6), Mental Health Counselor (5), Certified Clinical Nurse Specialist (CNS) (2); 1 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1215663018) · Data from the CMS NPPES public registry.