DR. SEAN MICHAEL DUENAS M.D.
NPI 1962936013
Internal Medicine - Sleep Medicine in New York, NY
About Dr. Sean Michael Duenas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SEAN MICHAEL DUENAS M.D. (NPI 1962936013) is an individual sleep medicine provider in New York, New York, licensed in New York (304802) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
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. Sean Michael Duenas 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 Reassignment
Medicare enrollment records show Sean Michael Duenas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 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 12
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ns/Lij Hs Southside Hospital
Acute Care Hospitals · Bay Shore, NYNorth Shore University Hospital
Acute Care Hospitals · Manhasset, NYLong Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10016 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 YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
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 Sean Michael Duenas's NPI number?
The NPI number for Sean Michael Duenas is 1962936013. It was assigned to this individual provider in the NPPES registry on April 15, 2017.
Where is Sean Michael Duenas located?
Sean Michael Duenas practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-5506.
What is Sean Michael Duenas's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.
Is Sean Michael Duenas enrolled in Medicare?
Yes. Sean Michael Duenas 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 Sean Michael Duenas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Michael Duenas reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, 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 Sean Michael Duenas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sean Michael Duenas affiliated with any hospitals?
According to CMS data, Sean Michael Duenas is affiliated with Ns/Lij Hs Southside Hospital, North Shore University Hospital and Long Island Jewish Medical Center.
When was this NPI record last updated?
The NPPES record for Sean Michael Duenas was last updated on October 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.