Physician Profile
Unclaimed ProfileAbout WON
Eugene John Won, MD practises cardiac surgery in Orange, CA. Eugene is also listed as specialising in student in an organized health care education program and thoracic surgery (cardiothoracic).
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
Common questions
What kind of doctor is Dr. Won?
Dr. Won is a cardiac surgeon in Orange, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIAC SURGERY”.
NPI registry
What is Dr. Won's address?
Dr. Won is listed at 1310 W STEWART DR STE 503, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Won?
The number on file is (714) 997-2224. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Won's NPI number?
Dr. Won's National Provider Identifier is 1659799658. 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
Where did Dr. Won train?
Dr. Won attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Won been practising?
Dr. Won has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Won perform?
According to Medicare billing data, Dr. Won performs procedures including coronary artery bypass using artery graft, 1 graft, harvest of vein using an endoscope and exclusion of appendage of left upper chamber of heart performed during other procedure on chest, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Won confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Won. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (714) 997-2224
- Email not available
Practice Locations
1310 W STEWART DR STE 503
Orange, CA 92868
Procedures Most Often Billed to Medicare
121 services · 121 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
26 |
| Harvest of vein using an endoscope | Procedure | 33508 |
25 |
| Exclusion of appendage of left upper chamber of heart performed during other procedure on chest | Procedure | 33268 |
23 |
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
19 |
| Coronary artery bypass using vein or artery graft, 2 grafts | Procedure | 33518 |
13 |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
15 |
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 cardiac surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
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.
Other cardiac surgeons in Orange 3
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Coronary artery bypass using artery graft, 1 graft 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.