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Edit this profileVicky Hwang, MD practices emergency medicine in O Fallon, IL. Vicky is a 2018 graduate of University of California, San Francisco School of Medicine. According to Medicare claims data, Vicky cared for 379 Medicare patients across 389 services. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and critical care, first 30-74 minutes. The provider's National Provider Identifier (NPI) is 1205332194.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
320 E HIGHWAY 50
O Fallon, IL 62269
6071 W Outer Dr
Detroit, MI 48235
Within Emergency Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Bites & Stings
Brain & Nerves
Endocrine & Metabolic
Eye Care
Injuries & Trauma
Rashes & allergy
Skin & Infections
Urinary & Bladder
Women's Health
Abdomen & Digestion
Allergy & Immune
Allergy & Immunology
Blood & Circulation
Breathing
Digestion & Stomach
Ear, Nose & Throat
Environmental
Eye Emergency
General Emergency
Heart & Chest
Heart & Circulation
Heart & Lungs
Infections & Illness
Lungs & Breathing
Men's Health
Poisoning & Environmental
Poisoning & Toxins
Spine & Back
Urinary & Kidney
Abdominal Procedures
Breathing & Airway
Critical Care
Diagnostic testing
Diagnostics
Ear, Nose & Throat
Eye & ENT
Heart & Diagnostics
Imaging & Diagnostics
Injections & Vaccines
Kidney Care
Lung & Respiratory
Medications
Mental Health
Minor Procedures
Minor Trauma
Orthopedics
Poisoning & Toxicology
Specialized Care
Stroke & Vascular
Toxicology
Women's Health
Wound Care
Airway & Breathing
Anesthesia & Sedation
Digestive Care
Eye Care
Heart Care
Orthopedic Procedures
Supportive Care
389 services · 379 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
182 | More often than most peers in Emergency Medicine |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
136 | More often than most peers in Emergency Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
42 | As often as other peers in Emergency Medicine |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
29 | More often than most peers in Emergency Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Hwang is an emergency physician in O Fallon, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Dr. Hwang is listed at 320 E Highway 50, O Fallon, IL 62269. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (618) 624-3368. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Hwang's National Provider Identifier is 1205332194. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Hwang attended University of California, San Francisco School of Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
Dr. Hwang has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Hwang the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hwang. If this is you, claiming it is free.
Guide.md
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