Dr. Eugene Byun, MD

Dr. Byun practices at St. Jude Medical Center - Unit in Fullerton, California.

Dr. Byun's NPI, 1104812643, was assigned on September 20, 2005. Dr. Byun graduated from Indiana University School Of Medicine in 1992. Dr. Byun holds California license G82180.

Dr. Byun's primary practice is St. Jude Medical Center - Unit, at 101 E. Valencia Mesa Drive, Fullerton, CA 92835 in Orange County. The practice phone is (714) 578-8706.

Dr. Byun's primary practice is St. Jude Medical Center - Unit in Fullerton, California. Dr. Byun is also affiliated with Providence St. Jude Medical Center. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Byun to 1 more group practice or clinic, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Byun practices, 3 sites in all. Vendor and product names are available with a free account.

Cardiovascular disease is Dr. Byun's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Byun is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Byun's licenses on file in 2 states: California and Arizona.

Dmand AI lists aneurysm, angioplasty, aortic atherosclerois, atrial fibrillation and flutter, cardiac catheterization, cardiomyopathy, cerebrovascular disease and chronic embolism thrombosis among the conditions Dr. Byun treats.

CMS data shows 3,154 Medicare services from Dr. Byun across 25 procedure codes in 2024, for 1,303 Medicare patients. Medicare paid $162,093 for them.

CMS counts 1,303 Medicare patients who saw Dr. Byun in 2024. The largest group is 75 to 84, with 506 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Byun's median patient age at 72, with 54% women.

In 2024, Dr. Byun wrote 7,496 Medicare Part D claims for 904 patients. 86% of them were for generic drugs. CMS names the drug for 7,151 of them, across 70 drugs with 11 or more claims each, at $1,118,113 in total drug cost. In 2023, CMS named 7,430 claims across 74 drugs.

Dr. Byun accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Byun as offering telehealth.

Coronary angioplasty and stenting: 1 to 10 procedures (CMS shows small counts as a range)

Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

CMS Open Payments shows 355 general payments to Dr. Byun from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Boston Scientific Corporation paid the most, $980.

Dmand AI lists 1 award for Dr. Byun, most recently CMS Stage 1 EHR in 2012.

Dr. Byun graduated from Indiana University School Of Medicine in 1992. Dr. Byun is a member of ACC.

Dr. Byun is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.