NICHOLAS PALAMIDESSI M.D.
NPI 1386815611
Emergency Medicine in Stony Brook, NY
About Nicholas Palamidessi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLAS PALAMIDESSI M.D. (NPI 1386815611) is an individual emergency medicine provider in Stony Brook, New York, licensed in New York (248032) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, is affiliated with Peconic Bay Medical Center, and is a graduate of State University Of New York Downstate Medical Center (2005).
NPPES Registry Identity
Specialties & Licenses 2
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
Nicholas Palamidessi 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
2Medicare enrollment records show Nicholas Palamidessi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- 77 clinicians in this Medicare group
Great Neck, NY 11021
- 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Peconic Bay Medical Center
Acute Care Hospitals · Riverhead, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11794 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.
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 Nicholas Palamidessi's NPI number?
The NPI number for Nicholas Palamidessi is 1386815611. It was assigned to this individual provider in the NPPES registry on March 14, 2008.
Where is Nicholas Palamidessi located?
Nicholas Palamidessi practices at Dept Of Emergency Medicine Stony Hsc L4, Rm 080, Stony Brook, NY 11794. The listed phone number is (631) 444-2478.
What is Nicholas Palamidessi's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nicholas Palamidessi enrolled in Medicare?
Yes. Nicholas Palamidessi 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 Nicholas Palamidessi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Palamidessi reassigns Medicare benefits to 2 organizations: Stony Brook Emergency Physicians, University Faculty Practice Corporat (Stony Brook, NY) and North Shore-Lij Medical PC (Great Neck, 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 Nicholas Palamidessi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nicholas Palamidessi affiliated with any hospitals?
According to CMS data, Nicholas Palamidessi is affiliated with Peconic Bay Medical Center.
When was this NPI record last updated?
The NPPES record for Nicholas Palamidessi was last updated on April 15, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.