See All Clinical Cardiac Electrophysiologists in Sacramento, CA
Dr. Padraig O'Neill, MD

Dr. Padraig O'Neill, MD

Age 68 Clinical Cardiac Electrophysiology M
(24) 24 reviews

Telehealth available

Accepting New Patients


Dr. Padraig O'Neill, MD is a clinical cardiac electrophysiologist in Sacramento, CA. Dr. O'Neill completed a residency at Our Ladys Hosp Sick Chldn. He currently practices at Mercy Medical Group and is affiliated with Mercy General Hospital. He accepts multiple insurance plans.


  1. Mercy Medical Group

    1. 1
      Mercy Medical Plaza Cardiology
      3941 J St Ste 368, Sacramento, CA 95819 Existing Patients: (916) 736-2323
    2. 2
      Mercy Medical Plaza - Cardiology
      3941 J St Ste 350, Sacramento, CA 95819 Existing Patients: (916) 736-2323




  • Our Ladys Hosp Sick Chldn, Residency Hospital
  • Baylor College of Medicine, Fellowship Hospital — 1989
  • Mater Misericordia Hosp, Residency Hospital — 1982
  • Reg Hosp, Residency Hospital — 1982
  • Reg Hosp, Internship Hospital — 1980

Insurance Accepted

  • Aetna
  • Anthem
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • CareFirst Blue Cross Blue Shield
  • ChoiceCare Network
  • Cigna
  • Coventry Health Care
  • First Health (Coventry Health Care)
  • Health Net
  • HealthSmart - Interplan Health Group
  • MultiPlan
  • Networks By Design
  • Pacific Foundation for Medical Care
  • Tricare
  • UnitedHealthCare
  • Western Health Advantage

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I was born with cardiomyopathy and have experienced dangerous arrhythmias as a result. My first defibrillator was installed in 1998. Dr. O'Neill has been my electrophysiologist since early 2016. Since then he has corrected atrial fibrillation by doing a successful heart ablation and prescribing appropriate medication. In March the doctor told me that it was time to change my defibrillator since the battery was low. He ordered an EKO to review my current condition and needs and found me to be at risk of developing heart failure since my ejection fraction was low. He scheduled me to get an upgraded devise that can help treat the cause of this which was installed two days ago. His office staff does an excellent job in every way and his team at Mercy hospital are amazing. I look forward to continued expert management of my continually developing condition by doctor O'neil and his team for many years to come.
Roger Foletta in CA — May 16, 2019
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Dr. Padraig O'Neill, MD
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Hospital Affiliations

  • Mercy General Hospital