MS. ILSA MARIE NAGEL MSW
NPI 1285307827
Social Worker - Clinical in New York, NY
About Ms. Ilsa Marie Nagel Msw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ILSA MARIE NAGEL MSW (NPI 1285307827) is an individual clinical provider in New York, New York, licensed in New York (100832) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
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)
Ms. Ilsa Marie Nagel Msw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ilsa Nagel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10010
- Reassigned Medicare billing, New York enrollment
- 21 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NEW YORK, NY 10003
NEW YORK, NY 10003
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 Ilsa Nagel's NPI number?
The NPI number for Ilsa Nagel is 1285307827. It was assigned to this individual provider in the NPPES registry on July 29, 2021.
Where is Ilsa Nagel located?
Ilsa Nagel practices at 113 University Pl, New York, NY 10003. The listed phone number is (917) 960-9500.
What is Ilsa Nagel's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Ilsa Nagel enrolled in Medicare?
Yes. Ilsa Nagel is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ilsa Nagel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ilsa Nagel reassigns Medicare benefits to Cassandra Reid LLC (New York, 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 Ilsa Nagel'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 Ilsa Nagel was last updated on August 24, 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.
# Ms. Ilsa Marie Nagel, MSW · NPI 1285307827
Clinical provider in New York, New York. Individual provider, active in the CMS NPPES registry since July 29, 2021.
## Identity
- **NPI:** 1285307827 (Entity type: Individual)
- **Enumerated:** July 29, 2021
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 100832 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 113 UNIVERSITY PL, New York, NY 10003-4527
- **Phone:** (917) 960-9500
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Cassandra Reid LLC (NPI 1396110060, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1285307827) · Data from the CMS NPPES public registry.