Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Eugene Byun, MD

Individual provider Interventional Cardiology Physician · NPI 1104812643

Eugene Byun, MD is a Cardiovascular Disease (Cardiology) in Fullerton, California. Graduated from Indiana University School of Medicine in 1992, 34 years ago. Practices with Providence Medical Foundation, a 1,465-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
34
Trained at
Indiana University School of Medicine
Licensed in
CA
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 E Valencia Mesa Dr Ste 206
Fullerton, CA 92835-3813
Phone: (714) 446-5050
Fax: (714) 446-5150
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence G82180 (CA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence G82180 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G82180 (CA)

Record details

NPI number1104812643
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 2005
Last updated in NPPESMarch 6, 2026
Certification dateMarch 6, 2026
Mailing address100 E Valencia Mesa Dr Ste 206, Fullerton, CA 92835-3817

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERVENTIONAL CARDIOLOGY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Providence Medical Foundation — 1465 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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