DR. LOUIS M EISEN M.D.
NPI 1093796971
Radiology - Diagnostic Radiology in New City, NY
About Dr. Louis M Eisen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LOUIS M EISEN M.D. (NPI 1093796971) is an individual diagnostic radiology provider in New City, New York, licensed in New York (195200-4) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1992).
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. Louis M Eisen M.d. 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
4Medicare enrollment records show Louis Eisen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New City, NY 10956
- Reassigned Medicare billing, New York enrollment
- 210 clinicians in this Medicare group
Spring Valley, NY 10977
- Reassigned Medicare billing, New York enrollment
- 206 clinicians in this Medicare group
Nyack, NY 10960
- Reassigned Medicare billing, New York enrollment
- 119 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 302 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 45
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 10956 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 CITY, NY 10956
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 Louis Eisen's NPI number?
The NPI number for Louis Eisen is 1093796971. It was assigned to this individual provider in the NPPES registry on November 8, 2005.
Where is Louis Eisen located?
Louis Eisen practices at 18 Squadron Blvd, New City, NY 10956. The listed phone number is (845) 634-9729.
What is Louis Eisen's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Louis Eisen enrolled in Medicare?
Yes. Louis Eisen 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 Louis Eisen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Louis Eisen reassigns Medicare benefits to 4 organizations: Hudson Valley Radiology Associates PLLC (New City, NY), Refuah Health Center, Inc. (Spring Valley, NY), Montefiore Nyack Hospital (Nyack, NY) and Lenox Hill Radiology & Medical Imaging Associates, PC (New York, NY). 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 Louis Eisen'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 Louis Eisen was last updated on December 6, 2013. 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.