SARAH ESWAR
NPI 1649645367
Registered Nurse - Diabetes Educator in Williamsville, NY
About Sarah Eswar NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH ESWAR (NPI 1649645367) is an individual diabetes educator provider in Williamsville, New York, licensed in New York (564404-1) and active in the NPI registry since December 2015. 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 and accepts Medicare assignment
Sarah Eswar is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Sarah Eswar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tonawanda, NY 14150
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Suburban Womens Healthcare P.C.
- 6 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILLIAMSVILLE, NY 14221
WILLIAMSVILLE, NY 14221
WILLIAMSVILLE, NY 14221
WILLIAMSVILLE, NY 14221
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 Eswar's NPI number?
The NPI number for Sarah Eswar is 1649645367. It was assigned to this individual provider in the NPPES registry on December 7, 2015.
Where is Sarah Eswar located?
Sarah Eswar practices at 705 Maple Rd Suite 200, Williamsville, NY 14221. The listed phone number is (716) 580-7308.
What is Sarah Eswar's specialty?
The primary specialty registered for this NPI is Registered Nurse, specializing in Diabetes Educator, with taxonomy code 163WD0400X.
Is Sarah Eswar enrolled in Medicare?
Yes. Sarah Eswar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Sarah Eswar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Eswar reassigns Medicare benefits to Suburban Women's Healthcare PC (Tonawanda, 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 Eswar'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 Eswar was last updated on December 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.