ELLEN BONDAR MD
NPI 1992803340
Hospitalist in New York, NY
About Ellen Bondar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN BONDAR MD (NPI 1992803340) is an individual hospitalist provider in New York, New York, licensed in New York (218623) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of State University Of New York Downstate Medical Center (1998).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
Other Identifiers 3
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
Ellen Bondar Md 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 Reassignments
5Medicare enrollment records show Ellen Bondar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 74 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
West Harrison, NY 10604
- Reassigned Medicare billing, New York enrollment
- 328 clinicians in this Medicare group
Chappaqua, NY 10514
- Reassigned Medicare billing, New York enrollment
- 76 clinicians in this Medicare group
Miami Lakes, FL 33016
- Reassigned Medicare billing, Florida and Arizona enrollments
- Also billed through NPI 1932810215 (Arizona)
- 31 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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 10065
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 Ellen Bondar's NPI number?
The NPI number for Ellen Bondar is 1992803340. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Ellen Bondar located?
Ellen Bondar practices at 1275 York Ave, New York, NY 10065. The listed phone number is (212) 639-2000.
What is Ellen Bondar's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Ellen Bondar enrolled in Medicare?
Yes. Ellen Bondar 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 organizations bill Medicare for Ellen Bondar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Bondar reassigns Medicare benefits to 5 organizations: Memorial Urgent Care Group (New York, NY), North Shore - Lij Medical PC (New Hyde Park, NY), Msk Harrison (West Harrison, NY), Northern Westchester Hospital Association (Chappaqua, NY) and MD Ally Services PA (Miami Lakes, FL). Each 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 Ellen Bondar'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 Ellen Bondar was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ellen Bondar, MD · NPI 1992803340
Hospitalist physician in New York, New York. Individual provider, active in the CMS NPPES registry since September 20, 2006.
## Identity
- **NPI:** 1992803340 (Entity type: Individual)
- **Enumerated:** September 20, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 218623 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1275 YORK AVE, New York, NY 10065-6007
- **Phone:** (212) 639-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Memorial Urgent Care Group (NPI 1053364539, New York, NY); North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY); Msk Harrison (NPI 1174923593, West Harrison, NY); Northern Westchester Hospital Association (NPI 1083913883, Chappaqua, NY); MD Ally Services PA (NPI 1477218089, Miami Lakes, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York Downstate Medical Center, class of 1998
## Record status
- **NPPES last updated:** March 19, 2026
- **Other identifiers:** Medicaid 02229963 (NY); Medicaid 128068700 (FL); Medicaid 170942 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1992803340) · Data from the CMS NPPES public registry.