DR. EDWARD SUN MD
NPI 1205096567
Internal Medicine in East Setauket, NY
About Dr. Edward Sun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EDWARD SUN MD (NPI 1205096567) is an individual internal medicine provider in East Setauket, New York, licensed in New York (264207) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Peconic Bay Medical Center, and is a graduate of Other (2008).
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. Edward Sun 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 Edward Sun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Riverhead, NY 11901
- Reassigned Medicare billing, New York enrollment
- 134 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 8
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 11733 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EAST SETAUKET, NY 11733
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 Edward Sun's NPI number?
The NPI number for Edward Sun is 1205096567. It was assigned to this individual provider in the NPPES registry on June 11, 2008.
Where is Edward Sun located?
Edward Sun practices at 3 Technology Dr Stony Brook Internists, Ufpc, East Setauket, NY 11733. The listed phone number is (631) 444-5220.
What is Edward Sun's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Edward Sun enrolled in Medicare?
Yes. Edward Sun 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 Edward Sun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Edward Sun reassigns Medicare benefits to Central Suffolk Hospital (Riverhead, 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 Edward Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Edward Sun affiliated with any hospitals?
According to CMS data, Edward Sun is affiliated with Peconic Bay Medical Center.
When was this NPI record last updated?
The NPPES record for Edward Sun was last updated on April 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.