DR. JAY KLEINFELD MD
NPI 1003949207
Internal Medicine - Interventional Cardiology in New York, NY
About Dr. Jay Kleinfeld Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAY KLEINFELD MD (NPI 1003949207) is an individual interventional cardiology provider in New York, New York, licensed in New York (16728101) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Jay Kleinfeld Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jay Kleinfeld reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10044
- Reassigned Medicare billing, New York enrollment
- 1,615 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10044 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
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 Jay Kleinfeld's NPI number?
The NPI number for Jay Kleinfeld is 1003949207. It was assigned to this individual provider in the NPPES registry on March 14, 2007.
Where is Jay Kleinfeld located?
Jay Kleinfeld practices at 555 Main St, New York, NY 10044. The listed phone number is (212) 688-3920.
What is Jay Kleinfeld's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Jay Kleinfeld enrolled in Medicare?
Yes. Jay Kleinfeld is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jay Kleinfeld's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jay Kleinfeld reassigns Medicare benefits to New York City Health And Hospitals Corporation (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 Jay Kleinfeld'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 Jay Kleinfeld was last updated on March 23, 2016. 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.