VICTOR SUN
NPI 1477679991
Emergency Medicine in O Fallon, IL
About Victor Sun NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VICTOR SUN (NPI 1477679991) is an individual emergency medicine provider in O Fallon, Illinois and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Valley Hospital Medical Center, and is a graduate of Other (2002).
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
Victor Sun 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 Victor Sun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Henderson, NV 89015
- Reassigned Medicare billing, Nevada enrollment
- 161 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 5
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Valley Hospital Medical Center
Acute Care Hospitals · Las Vegas, NVSpring Valley Hospital Medical Center
Acute Care Hospitals · Las Vegas, NVCentennial Hills Hospital Medical Center
Acute Care Hospitals · Las Vegas, NVHenderson Hospital
Acute Care Hospitals · Henderson, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62269 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Victor Sun's NPI number?
The NPI number for Victor Sun is 1477679991. It was assigned to this individual provider in the NPPES registry on March 22, 2007.
Where is Victor Sun located?
Victor Sun practices at 103 N Oak St, O Fallon, IL 62269. The listed phone number is (618) 624-3368.
What is Victor Sun's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Victor Sun enrolled in Medicare?
Yes. Victor 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 Victor Sun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Victor Sun reassigns Medicare benefits to Shadow Emergency Physicians PLLC (Henderson, NV). 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 Victor Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Victor Sun affiliated with any hospitals?
According to CMS data, Victor Sun is affiliated with Valley Hospital Medical Center, Spring Valley Hospital Medical Center, Centennial Hills Hospital Medical Center and Henderson Hospital.
When was this NPI record last updated?
The NPPES record for Victor Sun was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Victor Sun · NPI 1477679991
Emergency Medicine physician in O Fallon, Illinois. Individual provider, active in the CMS NPPES registry since March 22, 2007.
## Identity
- **NPI:** 1477679991 (Entity type: Individual)
- **Enumerated:** March 22, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 103 N OAK ST, O Fallon, IL 62269-1165
- **Phone:** (618) 624-3368
## 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:** Shadow Emergency Physicians PLLC (NPI 1487496998, Henderson, NV), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1477679991) · Data from the CMS NPPES public registry.