SARAH RIEDER
NPI 1801417985
Social Worker in New York, NY
About Sarah Rieder NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH RIEDER (NPI 1801417985) is an individual social worker in New York, New York and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
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)
Sarah Rieder is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sarah Rieder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10002
- Reassigned Medicare billing, New York enrollment
- 56 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 20
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 Sarah Rieder's NPI number?
The NPI number for Sarah Rieder is 1801417985. It was assigned to this individual provider in the NPPES registry on April 30, 2020.
Where is Sarah Rieder located?
Sarah Rieder practices at 465 Grand St, New York, NY 10002. The listed phone number is (212) 420-1970.
What is Sarah Rieder's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Sarah Rieder enrolled in Medicare?
Yes. Sarah Rieder is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sarah Rieder's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Rieder reassigns Medicare benefits to Community Assistance Resources & Extended Services Inc (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 Sarah Rieder'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 Sarah Rieder was last updated on April 30, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Sarah Rieder · NPI 1801417985
Social Worker provider in New York, New York. Individual provider, active in the CMS NPPES registry since April 30, 2020.
## Identity
- **NPI:** 1801417985 (Entity type: Individual)
- **Enumerated:** April 30, 2020
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **Sole proprietor:** No
## Practice location
- **Address:** 465 GRAND ST, New York, NY 10002-4800
- **Phone:** (212) 420-1970
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Community Assistance Resources & Extended Services Inc (NPI 1396049987, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** April 30, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1801417985) · Data from the CMS NPPES public registry.