Padraig G. O'neill
Experienced in Brugada Syndrome

Dr. Padraig G. O'neill

Cardiology
CommonSpirit Health
Mercy Medical Plaza - Sacramento, CA (North Lobby)
3941 J St, 
Sacramento, CA 
Accepting New Patients
Offers Telehealth
47 Years of Experience

Experienced in Brugada Syndrome
CommonSpirit Health
Mercy Medical Plaza - Sacramento, CA (North Lobby)
3941 J St, 
Sacramento, CA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

The right treatment at the right time.

Dr. O'neill is rated as an Experienced provider by MediFind in the treatment of Brugada Syndrome. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Sick Sinus Syndrome, Cardiac Ablation, and Pacemaker Implantation.

His clinical research consists of co-authoring 30 peer reviewed articles and participating in 2 clinical trials. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Univ College Galway-Ireland, 1979
Specialties
Cardiology
Licenses
Internal Medicine in CA
Board Certifications
Internal Medicine
Internal Medicine (Sub: Cardiovascular Disease)
Internal Medicine (Sub: Clin Cardiac Electrophysiolog
Fellowships
Baylor College of Medicine
Hospital Affiliations
Mercy General Hospital
Mercy San Juan Medical Center
Methodist Hospital Of Sacramento
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Alignment Health Plan
  • MEDICARE MAPD
  • MEDICARE SNP
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health Net

Accepted plan types not found. Please verify directly with the provider.

HMSA
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Western Health Advantage
  • HMO
  • INSURANCE PLAN
  • MEDICARE DISCOUNT CARD
  • MEDICARE MAPD
View 11 Less Insurance Carriers -

Locations

Mercy Medical Plaza - Sacramento, CA (North Lobby)
3941 J St, Sacramento, CA 95819
Call: 916-736-2323

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


2 Clinical Trials

Left Atrial Posterior Wall Isolation in Conjunction With Pulmonary Vein Isolation Using the Cryoballoon for Treatment of Persistent Atrial Fibrillation (PIVoTAL) - IDE Trial
Left Atrial Posterior Wall Isolation in Conjunction With Pulmonary Vein Isolation Using the Cryoballoon for Treatment of Persistent Atrial Fibrillation (PIVoTAL) - IDE Trial
Enrollment Status: Unknown
Publish Date: September 06, 2023
Intervention Type: Procedure, Device
Study Phase: Not Applicable
A Clinical Feasibility Study to Evaluate the Safety and Performance of Low-Energy Unpinning Termination Therapy in Patients With VT
A Clinical Feasibility Study to Evaluate the Safety and Performance of Low-Energy Unpinning Termination Therapy in Patients With VT
Enrollment Status: Terminated
Publish Date: October 10, 2022
Intervention Type: Device
Study Phase: Not Applicable
View 1 Less Clinical Trial

30 Total Publications

Concomitant Cryoballoon Pulmonary Vein and Posterior Wall Isolation In Persistent Atrial Fibrillation: Results from the Left Atrial Posterior Wall Isolation In Conjunction with Pulmonary Vein Isolation Using the Cryoballoon for Treatment of Persistent Atrial FibrilLation (PIVoTAL) IDE Trial.
Concomitant Cryoballoon Pulmonary Vein and Posterior Wall Isolation In Persistent Atrial Fibrillation: Results from the Left Atrial Posterior Wall Isolation In Conjunction with Pulmonary Vein Isolation Using the Cryoballoon for Treatment of Persistent Atrial FibrilLation (PIVoTAL) IDE Trial.
Journal: Heart rhythm
Published: June 28, 2025
View All 30 Publications
Similar Doctors
Distinguished in Brugada Syndrome
Dr. Donald Lai
Cardiology
Distinguished in Brugada Syndrome
Dr. Donald Lai
Cardiology

Sonia Santana DO A Professional Corporation

5565 W Las Positas Blvd Ste 200, 
Pleasanton, CA 
 (58.1 miles away)
925-685-7598
Experience:
44+ years
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Donald Lai is a Cardiologist in Pleasanton, California. Dr. Lai has been practicing medicine for over 44 years and is rated as a Distinguished provider by MediFind in the treatment of Brugada Syndrome. His top areas of expertise are Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Brugada Syndrome, and Postural Orthostatic Tachycardia Syndrome (POTS).

Distinguished in Brugada Syndrome
Dr. Morgan Lin
Cardiology
Distinguished in Brugada Syndrome
Dr. Morgan Lin
Cardiology

Vascular Care Clinic In Pleasanton

5565 W Las Positas Blvd Ste 150, 
Pleasanton,, CA 
 (58.1 miles away)
925-416-6895
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Morgan Lin is a Cardiologist in Pleasanton,, California. Dr. Lin is rated as a Distinguished provider by MediFind in the treatment of Brugada Syndrome. His top areas of expertise are Heart Attack, Apoplexy, Ectopic Heartbeat, and Glucocorticoid-Remediable Aldosteronism.

Advanced in Brugada Syndrome
Dr. Muhammad B. Munir
Cardiology | Cardiac Electrophysiology
Advanced in Brugada Syndrome
Dr. Muhammad B. Munir
Cardiology | Cardiac Electrophysiology

Regents Of The Univ Of Ca

4860 Y St, 
Sacramento, CA 
 (1.3 miles away)
916-734-3588
Experience:
18+ years
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Muhammad Munir is a Cardiologist and a Cardiac Electrophysiologist in Sacramento, California. Dr. Munir has been practicing medicine for over 18 years and is rated as a Distinguished provider by MediFind in the treatment of Brugada Syndrome. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Heart Attack, Pacemaker Implantation, and Cardiac Ablation.

VIEW MORE BRUGADA SYNDROME DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. O'neill's expertise for a condition
ConditionClose
    • Distinguished
    • Arrhythmias
      Dr. O'neill is
      Distinguished
      . Learn about Arrhythmias.
      See more Arrhythmias experts
    • Atrial Fibrillation
      Dr. O'neill is
      Distinguished
      . Learn about Atrial Fibrillation.
      See more Atrial Fibrillation experts
    • Atrial Tachycardia
      Dr. O'neill is
      Distinguished
      . Learn about Atrial Tachycardia.
      See more Atrial Tachycardia experts
    • Atrioventricular Nodal Reentrant Tachycardia (AVNRT)
      Dr. O'neill is
      Distinguished
      . Learn about Atrioventricular Nodal Reentrant Tachycardia (AVNRT).
      See more Atrioventricular Nodal Reentrant Tachycardia (AVNRT) experts
    • Cardiac Ablation
      Dr. O'neill is
      Distinguished
      . Learn about Cardiac Ablation.
      See more Cardiac Ablation experts
    • Familial Progressive Cardiac Conduction Defect
      Dr. O'neill is
      Distinguished
      . Learn about Familial Progressive Cardiac Conduction Defect.
      See more Familial Progressive Cardiac Conduction Defect experts
    View All 11 Distinguished Conditions
    • Advanced
    • Bidirectional Tachycardia
      Dr. O'neill is
      Advanced
      . Learn about Bidirectional Tachycardia.
      See more Bidirectional Tachycardia experts
    • Cardiac Tamponade
      Dr. O'neill is
      Advanced
      . Learn about Cardiac Tamponade.
      See more Cardiac Tamponade experts
    • Cardiomyopathy
      Dr. O'neill is
      Advanced
      . Learn about Cardiomyopathy.
      See more Cardiomyopathy experts
    • Catecholaminergic Polymorphic Ventricular Tachycardia
      Dr. O'neill is
      Advanced
      . Learn about Catecholaminergic Polymorphic Ventricular Tachycardia.
      See more Catecholaminergic Polymorphic Ventricular Tachycardia experts
    • Ectopic Heartbeat
      Dr. O'neill is
      Advanced
      . Learn about Ectopic Heartbeat.
      See more Ectopic Heartbeat experts
    • Fainting
      Dr. O'neill is
      Advanced
      . Learn about Fainting.
      See more Fainting experts
    View All 10 Advanced Conditions
    • Experienced
    • Angina
      Dr. O'neill is
      Experienced
      . Learn about Angina.
      See more Angina experts
    • Aortic Valve Stenosis
      Dr. O'neill is
      Experienced
      . Learn about Aortic Valve Stenosis.
      See more Aortic Valve Stenosis experts
    • Apoplexy
      Dr. O'neill is
      Experienced
      . Learn about Apoplexy.
      See more Apoplexy experts
    • Arterial Embolism
      Dr. O'neill is
      Experienced
      . Learn about Arterial Embolism.
      See more Arterial Embolism experts
    • Atherosclerosis
      Dr. O'neill is
      Experienced
      . Learn about Atherosclerosis.
      See more Atherosclerosis experts
    • Brugada Syndrome
      Dr. O'neill is
      Experienced
      . Learn about Brugada Syndrome.
      See more Brugada Syndrome experts
    View All 22 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile
    For Patients
    • Our Story
    • How MediFind Works
    • Conditions A-Z
    • Doctor Directory
    • Symptoms Directory
    • Procedures Directory
    • Treatment Directory
    • Drug Directory
    • Infusion Center Finder
    • FAQ
    • Contact Us
    For Providers and Practices
    • Claim Your Profile
    • Newsroom
    Business Solutions
    • Provider
    • Network Solutions
    Additional Resources
    • Consumer Health Data Privacy Policy
    • Privacy Policy
    • Terms of Use
    • Advertising Policy
    • Content Policy
    Subscribe to our newsletter

    Sign up to stay informed about MediFind and get wellness sent your way.

    Close

      By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

      Bullet PinMediFind
      Follow us on
      This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
      © 2026 All Rights Reserved

      Request an Appointment

      If you are experiencing a medical emergency, call 9-1-1.

      MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

      Patient Details

      This information is for the patient who will be seen at the appointment.

        Close

        Returning patient? Use your address on file with the provider.

        Insurance Details

        Please provide information of the primary insurance holder as the practice may require this information to schedule.

        Insurance Provider *
        Insurance ProviderClose

        Appointments Details

        Let’s get more information about your appointment.

                0 / 1000
                0 / 1000
                By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.