DR. ALEXANDER KORENFELD MD
NPI 1063428803
Internal Medicine in Cliffside Park, NJ
About Dr. Alexander Korenfeld Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER KORENFELD MD (NPI 1063428803) is an individual internal medicine provider in Cliffside Park, New Jersey, licensed in New Jersey (63357) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1977).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Alexander Korenfeld 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 Alexander Korenfeld reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cliffside Park, NJ 07010
- Reassigned Medicare billing, New Jersey enrollment
- 2 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 28
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 07010 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
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
CLIFFSIDE PARK, NJ 07010
CLIFFSIDE PARK, NJ 07010
CLIFFSIDE PARK, NJ 07010
CLIFFSIDE PARK, NJ 07010
CLIFFSIDE PARK, NJ 07010
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 Alexander Korenfeld's NPI number?
The NPI number for Alexander Korenfeld is 1063428803. It was assigned to this individual provider in the NPPES registry on August 1, 2006.
Where is Alexander Korenfeld located?
Alexander Korenfeld practices at 596 Anderson Ave Suite 302, Cliffside Park, NJ 07010. The listed phone number is (201) 943-2700.
What is Alexander Korenfeld's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Alexander Korenfeld enrolled in Medicare?
Yes. Alexander Korenfeld 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 Alexander Korenfeld's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Korenfeld reassigns Medicare benefits to Renaissance General Medicine PC (Cliffside Park, NJ). 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 Alexander Korenfeld'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 Alexander Korenfeld was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.