EUGENE BYUN (MD) – Interventional Cardiology Physician, NPI 1104812643
Interventional Cardiology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
3,010 CARDIOVASCULAR DISEASE (CARDIOLOGY) in CA
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Provider Addresses for EUGENE BYUN (MD)
100, East Valencia Mesa Drive, Fullerton, Orange County, California, 92835, United States
SUITE 206
FULLERTON, CA 928353813
Phone: (714) 446-5050
Fax: (714) 446-5150
Type: Location
100 E VALENCIA MESA DR STE 206
FULLERTON, CA 928353817
Phone: (714) 446-5050
Fax: (714) 446-5150
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 107 Open Payments records for all available years, with a total value of $2,090.
Total Amount is formed as General ($2,090) + Research ($0) + Ownership ($0) = $2,090.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($431).
Total Amount
$2,090
General + Research + Ownership
Payments
107
Total payment records
General Amount
$2,090
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $431 |
| PFIZER INC. | $208 |
| Edwards Lifesciences Corporation | $178 |
| Shockwave Medical, Inc | $177 |
| Abbott Laboratories | $124 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-06-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100622000646 | I | Cardiovascular Disease (Cardiology) | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 831 | 704 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 474 | 299 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 388 | 271 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 375 | 370 | $0 |
| 85610 | Blood test, clotting time | 330 | 52 | $0 |
Insurance plans in this area (ZIP 92835)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| - | CA | |
| - | CA | |
| - | WA | |
| - | ME | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA |
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