STEVEN WARREN MD
NPI 1306823224
Radiology - Body Imaging in Mt Kisco, NY
About Steven Warren Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN WARREN MD (NPI 1306823224) is an individual body imaging provider in Mt Kisco, New York, licensed in New York (210173) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (1993).
NPPES Registry Identity
Specialties & Licenses 6
Other Names 1
Other Identifiers 2
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
Steven Warren 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 Reassignment
Medicare enrollment records show Steven Warren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rye Brook, NY 10573
- Reassigned Medicare billing, Connecticut and New York enrollments
- 186 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 32
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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT KISCO, NY 10549
MOUNT KISCO, NY 10549
MOUNT KISCO, NY 10549
MOUNT KISCO, NY 10549
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 Steven Warren's NPI number?
The NPI number for Steven Warren is 1306823224. It was assigned to this individual provider in the NPPES registry on December 30, 2005. The provider is also known as Steve Yaron MD.
Where is Steven Warren located?
Steven Warren practices at 666 Lexington Ave, Mt Kisco, NY 10549. The listed phone number is (845) 278-6250.
What is Steven Warren's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Body Imaging, with taxonomy code 2085B0100X.
Is Steven Warren enrolled in Medicare?
Yes. Steven Warren 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 Steven Warren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Warren reassigns Medicare benefits to Westchester Medical Group, P.C. (Rye Brook, 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 Steven Warren'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 Steven Warren was last updated on March 24, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.