DR. EZRA ROSEN
NPI 1194169987
Internal Medicine - Medical Oncology in New York, NY
About Dr. Ezra Rosen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EZRA ROSEN (NPI 1194169987) is an individual medical oncology provider in New York, New York, licensed in New York (283532) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Ezra Rosen 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
6Medicare enrollment records show Ezra Rosen reassigns Medicare billing to 6 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
- 259 clinicians in this Medicare group
Uniondale, NY 11553
- Reassigned Medicare billing, New York enrollment
- 191 clinicians in this Medicare group
West Harrison, NY 10604
- Reassigned Medicare billing, New York enrollment
- 328 clinicians in this Medicare group
Middletown, NJ 07748
- Reassigned Medicare billing, New Jersey enrollment
- 464 clinicians in this Medicare group
Commack, NY 11725
- Reassigned Medicare billing, New York enrollment
- 265 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 514 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.
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
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 Ezra Rosen's NPI number?
The NPI number for Ezra Rosen is 1194169987. It was assigned to this individual provider in the NPPES registry on April 23, 2013.
Where is Ezra Rosen located?
Ezra Rosen practices at 300 E 66th St, New York, NY 10065. The listed phone number is (212) 639-2000.
What is Ezra Rosen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Ezra Rosen enrolled in Medicare?
Yes. Ezra Rosen 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 Ezra Rosen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ezra Rosen reassigns Medicare benefits to 6 organizations: Memorial Developmental Chemo Group (New York, NY), Msk Nassau (Uniondale, NY), Msk Harrison (West Harrison, NY), Msk Monmouth (Middletown, NJ), Mskcc Regional Network (Commack, NY) and 1 more organization, listed in the Medicare section above. 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 Ezra Rosen'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 Ezra Rosen was last updated on May 5, 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.