Victor Sun
Emergency Medicine Physician · O Fallon, IL
Victor Sun is an emergency medicine physician with a practice address in O Fallon, Illinois, and NPI 1477679991, issued on Mar 22, 2007. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Victor Sun
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- Practice location
- 103 N Oak St, O Fallon, IL 62269
- Phone
- (618) 624-3368
- Enumerated
- Mar 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20071211000157); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 103 N Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Salvador ChavezEmergency Medicine Physician1548365729
- Kathryn ClaytonEmergency Medicine Physician1952592586
- Kevin CorriganEmergency Medicine Physician1841385531
- Faron Fox, M.D.Emergency Medicine Physician1215968649
- Maria GalanosEmergency Medicine Physician1073609814
- Gregory LawsonEmergency Medicine Physician1639275977
Verify Victor Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average emergency medicine physician in 2024
283 Medicare Part D claims for 190 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone36 claims
- Ondansetron Odt30 claims
- Ciprofloxacin Hcl22 claims
- Dicyclomine Hcl15 claims
- Cephalexin13 claims
- Cyclobenzaprine Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Shadow Emergency Physicians PLLCLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Victor Sun among 3,291 emergency medicine physician records in Illinois
Victor Sun is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.
- NPI issued2007 · 32% of these records are older, 61% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2002 · median 2012 among the 1,867 with a school on file
- Record last updated2007 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 emergency medicine physician records list a practice address in O Fallon
They are 22 of the 1,077 NPPES records with a practice address in O Fallon, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in O Fallon → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Salvador ChavezO Fallon, IL 622691548365729
- Kevin CorriganO Fallon, IL 622691841385531
- Faron Fox, M.D.O Fallon, IL 622691215968649
- Maria GalanosO Fallon, IL 622691073609814
- Gregory LawsonO Fallon, IL 622691639275977
- Brian LitlandO Fallon, IL 622691225129968
- Dale Long, D.OO Fallon, IL 622691275567612
- Armand Miranda, D.O.O Fallon, IL 622691780618074
Common questions
What is Victor Sun's NPI number?
Victor Sun's National Provider Identifier (NPI) is 1477679991, issued on Mar 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Victor Sun located?
The NPPES record lists a practice address at 103 N Oak St, O Fallon, IL, 62269. Phone: (618) 624-3368. Providers update this record themselves, so call before visiting.
How can I verify Victor Sun's license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Victor Sun prescribe under Medicare Part D?
In 2024, Victor Sun had 283 Medicare Part D claims for 190 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Victor Sun's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.