ILYSA MEMMER LCSW
NPI 1679172241
Social Worker in Warwick, NY
About Ilysa Memmer Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ILYSA MEMMER LCSW (NPI 1679172241) is an individual social worker in Warwick, New York, licensed in New York (097694) and active in the NPI registry since October 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
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)
Ilysa Memmer Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ilysa Memmer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Warwick, NY 10990
- Reassigned Medicare billing, New York enrollment
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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WARWICK, NY 10990
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 Ilysa Memmer's NPI number?
The NPI number for Ilysa Memmer is 1679172241. It was assigned to this individual provider in the NPPES registry on October 23, 2020.
Where is Ilysa Memmer located?
Ilysa Memmer practices at 36 Colonial Ave, Warwick, NY 10990. The listed phone number is (845) 544-1927.
What is Ilysa Memmer's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Ilysa Memmer enrolled in Medicare?
Yes. Ilysa Memmer is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ilysa Memmer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ilysa Memmer reassigns Medicare benefits to Warwick Counseling Licensed Social Worker PLLC (Warwick, 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 Ilysa Memmer'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 Ilysa Memmer was last updated on September 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ilysa Memmer, LCSW · NPI 1679172241
Social Worker provider in Warwick, New York. Individual provider, active in the CMS NPPES registry since October 23, 2020.
## Identity
- **NPI:** 1679172241 (Entity type: Individual)
- **Enumerated:** October 23, 2020
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 097694 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 36 COLONIAL AVE, Warwick, NY 10990-1110
- **Phone:** (845) 544-1927
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Warwick Counseling Licensed Social Worker PLLC (NPI 1306724364, Warwick, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** September 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1679172241) · Data from the CMS NPPES public registry.