


Dr. David O'Neil, MD
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Dr. David O'Neil, MD
Cardiology
Dr. David O'Neil, MD is a cardiologist in Voorhees, NJ and has over 25 years of experience in the medical field. Dr. O'Neil has extensive experience in Adult Congenital Heart Conditions. He graduated from Georgetown University School of Medicine in 1997. He is affiliated with medical facilities such as Thomas Jefferson University Hospital and Jefferson Bucks Hospital. He is accepting new patients.
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Hospital Highlight
Dr. O'Neil is affiliated with Thomas Jefferson University Hospital Philadelphia, a highly rated and top awarded hospital for cardiology.
Dr. O'Neil is a Healthgrades Choice provider in Cardiology
The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
Read our methodology
- Above average experience
- Good hospital quality
- Good patient ratings
- No healthcare sanctions
- Area of Expertise • Dr. O'Neil specializes in the area of Cardiovascular Disease. See board certifications
- Explains Conditions Well • Patients said this doctor explains conditions well. See reviews
- Practices at Top Hospital • America's 250 Best Hospitals Award™ See hospitals
- Good Patient Care • Patients said they had exceptional care at this hospital. See hospitals
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Dr. O'Neil's Reviews
Likelihood to recommend Dr. O'Neil
4.9
5 Star | 90% | 90% |
4 Star | 8% | 8% |
3 Star | 2% | 2% |
2 Star | 0% | 0% |
1 Star | 1% | 1% |
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Likelihood of recommending Dr. O'Neil to family and friends is 4.8502674 out of 5
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About Me
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biography
Dr. David O'Neil, MD is a cardiologist in Voorhees, NJ and has over 25 years of experience in the medical field. Dr. O'Neil has extensive experience in Adult Congenital Heart Conditions. He graduated from Georgetown University School of Medicine...read moreCardiology
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*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Thomas Jefferson University Hospitals
Fellowship HospitalGeorgetown University Hospital
Residency HospitalGeorgetown University Hospital
Internship HospitalGeorgetown University School Of Medicine
Medical School, 1997
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
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Affiliated Hospitals
- Recipient of 1
hospital award - Recipient of 23
hospital awardsAmerica's 250 Best Hospitals Award™ (2025, 2024)
Top 5% in the nation for consistently delivering clinical quality
View all awardsCoronary Intervention Excellence Award™ (2023)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
87%Patients said they were given information about recovering at home3% higher than the national average
80%Patients said that nurses always listened to them and explained things well5% higher than the national average
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