MARIE-IRVINE SEMEXANT LCSW
NPI 1669722633
Social Worker in Elmont, NY
About Marie-irvine Semexant Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIE-IRVINE SEMEXANT LCSW (NPI 1669722633) is an individual social worker in Elmont, New York and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marie-irvine Semexant Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marie-irvine Semexant reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Flushing, NY 11367
- Reassigned Medicare billing, New York enrollment
- 131 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Marie-irvine Semexant's NPI number?
The NPI number for Marie-irvine Semexant is 1669722633. It was assigned to this individual provider in the NPPES registry on September 17, 2012.
Where is Marie-irvine Semexant located?
Marie-irvine Semexant practices at 770 Meacham Ave, Elmont, NY 11003. The listed phone number is (516) 568-7170.
What is Marie-irvine Semexant's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Marie-irvine Semexant enrolled in Medicare?
Yes. Marie-irvine Semexant is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marie-irvine Semexant's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marie-irvine Semexant reassigns Medicare benefits to Senior Care Therapy Lcsw Of New York PLLC (Flushing, NY). The 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 Marie-irvine Semexant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marie-irvine Semexant was last updated on March 6, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.
# Marie-Irvine Semexant, LCSW · NPI 1669722633
Social Worker provider in Elmont, New York. Individual provider, active in the CMS NPPES registry since September 17, 2012.
## Identity
- **NPI:** 1669722633 (Entity type: Individual)
- **Enumerated:** September 17, 2012
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 770 MEACHAM AVE, Elmont, NY 11003-4717
- **Phone:** (516) 568-7170
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Senior Care Therapy Lcsw Of New York PLLC (NPI 1932677168, Flushing, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 6, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1669722633) · Data from the CMS NPPES public registry.