SEAN JUEAN SUN MD
NPI 1942839352
Radiology - Diagnostic Radiology in New York, NY
About Sean Juean Sun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN JUEAN SUN MD (NPI 1942839352) is an individual diagnostic radiology provider in New York, New York, licensed in New York (335725) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with St Joseph's Medical Center, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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
Sean Juean 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 Reassignments
2Medicare enrollment records show Sean Sun reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
White Plains, NY 10601
- Reassigned Medicare billing, New York enrollment
- 445 clinicians in this Medicare group
White Plains, NY 10601
- Reassigned Medicare billing, New York enrollment
- 479 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, NYSt Luke's Cornwall Hospital
Acute Care Hospitals · Newburgh, NYWhite Plains Hospital Center
Acute Care Hospitals · White Plains, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10021 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10021
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 Sun's NPI number?
The NPI number for Sean Sun is 1942839352. It was assigned to this individual provider in the NPPES registry on April 7, 2020.
Where is Sean Sun located?
Sean Sun practices at 535 E 70th St, New York, NY 10021. The listed phone number is (212) 606-1000.
What is Sean Sun's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Sean Sun enrolled in Medicare?
Yes. Sean 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 organizations bill Medicare for Sean Sun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Sun reassigns Medicare benefits to 2 organizations: White Plains Physician Services PC (White Plains, NY) and East Post Road Medical Services PC (White Plains, 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 Sean Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sean Sun affiliated with any hospitals?
According to CMS data, Sean Sun is affiliated with St Joseph's Medical Center, St Luke's Cornwall Hospital and White Plains Hospital Center.
When was this NPI record last updated?
The NPPES record for Sean Sun was last updated on April 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Sean Juean Sun, MD · NPI 1942839352
Diagnostic Radiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 7, 2020.
## Identity
- **NPI:** 1942839352 (Entity type: Individual)
- **Enumerated:** April 7, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 335725 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 535 E 70TH ST, New York, NY 10021-4898
- **Phone:** (212) 606-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): White Plains Physician Services PC (NPI 1124502687, White Plains, NY); East Post Road Medical Services PC (NPI 1841767274, White Plains, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** April 19, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1942839352) · Data from the CMS NPPES public registry.