Physician Profile
Unclaimed ProfileAbout BYUN
Eugene Byun, MD is a healthcare provider in Fullerton, CA specializing in cardiovascular disease (cardiology). Eugene trained at Indiana University School of Medicine, graduating in 1992. Eugene is also listed as specializing in interventional cardiology, cardiovascular disease, and internal medicine. Medicare claims data shows Eugene provided 3,143 services to 2,223 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (714) 446-5050
- Email not available
Practice Locations
100 E VALENCIA MESA DR SUITE 206
Fullerton, CA 92835
Procedures Most Often Billed to Medicare
3,143 services · 2,223 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
21 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
27 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
850 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
263 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
230 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
161 |
| Programming of dual lead pacemaker system | Treatment | 93280 |
38 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
35 |
| Heart rhythm recording of continous external ekg over 8-15 days | Treatment | 93246 |
35 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
21 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 27 related providers in 4 groups
Other cardiovascular diseases in Fullerton 3
Same specialty, same city.
Trained at Indiana University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Indiana University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of aortic valve through the skin and femoral artery 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Byun's specialty?
Dr. Byun is a cardiovascular disease (cardiology) in Fullerton, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where can I find Dr. Byun?
Dr. Byun is listed at 100 E VALENCIA MESA DR SUITE 206, Fullerton, CA 92835. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Byun?
The number on file is (714) 446-5050. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Byun?
Dr. Byun's National Provider Identifier is 1104812643. 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
What is Dr. Byun's medical education?
Dr. Byun attended Indiana University School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Byun have?
Dr. Byun has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Byun known for?
According to Medicare billing data, Dr. Byun performs procedures including replacement of aortic valve through the skin and femoral artery; reads or performs imaging such as nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Byun's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Byun. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.