DR. JONATHAN GUENOUN M.D.
NPI 1285165662
Anesthesiology in Mount Kisco, NY
About Dr. Jonathan Guenoun M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JONATHAN GUENOUN M.D. (NPI 1285165662) is an individual anesthesiology provider in Mount Kisco, New York, licensed in New York (306634) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with St Joseph's Medical Center, and maintains a secondary practice location in New York.
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 (PECOS)
Dr. Jonathan Guenoun M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Jonathan Guenoun reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chappaqua, NY 10514
- Reassigned Medicare billing, New York enrollment
- 1,406 clinicians in this Medicare group
Cortlandt Manor, NY 10567
- Reassigned Medicare billing, New York enrollment
- 93 clinicians in this Medicare group
Suffern, NY 10901
- Reassigned Medicare billing, New York enrollment
- 106 clinicians in this Medicare group
Bronx, NY 10467
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
Poughkeepsie, NY 12603
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Premier Medical Group Of The Hudson Valley PC
- 169 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joseph's Medical Center
Acute Care Hospitals · Yonkers, NYGood Samaritan Hospital Of Suffern
Acute Care Hospitals · Suffern, NYSt John's Riverside Hospital
Acute Care Hospitals · Yonkers, NYMedicare 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 11
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
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 Jonathan Guenoun's NPI number?
The NPI number for Jonathan Guenoun is 1285165662. It was assigned to this individual provider in the NPPES registry on March 27, 2017.
Where is Jonathan Guenoun located?
Jonathan Guenoun practices at 118 N Bedford Rd, Mount Kisco, NY 10549. The listed phone number is (914) 666-8866.
What is Jonathan Guenoun's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Jonathan Guenoun enrolled in Medicare?
Yes. Jonathan Guenoun is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jonathan Guenoun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Guenoun reassigns Medicare benefits to 5 organizations: North Shore - Lij Anesthesiology, PC (Chappaqua, NY), Hudson Health Anesthesia PLLC (Cortlandt Manor, NY), Ramapo Anesthesiologists, PC (Suffern, NY), Montefiore Medical Center (Bronx, NY) and Premier Medical Group Of The Hudson Valley P.C. (Poughkeepsie, 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 Jonathan Guenoun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jonathan Guenoun affiliated with any hospitals?
According to CMS data, Jonathan Guenoun is affiliated with St Joseph's Medical Center, Good Samaritan Hospital Of Suffern and St John's Riverside Hospital.
When was this NPI record last updated?
The NPPES record for Jonathan Guenoun was last updated on January 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.