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Dr. David O'Neil, MD

Dr. David O'Neil, MD

Cardiology*
25+ years of experience

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.

4.9 Star Rating
Based on 748 reviews 4.9 Star Rating (748 reviews)

Locations

Practice

Voorhees Specialty Care - Cardiology333 Laurel Oak Rd Voorhees, NJ 08043
1
New Patient?
(856) 254-2272
Regulus Specialty Care - Cardiology1 Regulus Dr # A Turnersville, NJ 08012
2
New Patient?
(856) 254-2272

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 ExpertiseDr. O'Neil specializes in the area of Cardiovascular Disease. See board certifications
  • Explains Conditions WellPatients said this doctor explains conditions well. See reviews
  • Practices at Top HospitalAmerica's 250 Best Hospitals Award™ See hospitals
  • Good Patient CarePatients said they had exceptional care at this hospital. See hospitals

Experience Check

Search for experience in a specific area

Dr. O'Neil's Reviews

Likelihood to recommend Dr. O'Neil

4.9

748 ratings, 5 with a written review
5 Star
90%
90%
4 Star
8%
8%
3 Star
2%
2%
2 Star
0%
0%
1 Star
1%
1%

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RecentHighestLowestMost Helpful
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Oct 29, 2024
Dr. O'Neil's Reply –
Thank you for sharing your positive experience!
×Post a ResponseAre you Dr. David O'Neil, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Feb 22, 2024
×Post a ResponseAre you Dr. David O'Neil, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Janice Tumelty – Feb 06, 2023
×Post a ResponseAre you Dr. David O'Neil, MD?
What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Staff wasn't friendly
  • Appointment was rushed
3 people found this helpful
Helpful
Nov 15, 2022
×Post a ResponseAre you Dr. David O'Neil, MD?
What went well
  • Listened & answered questions
  • Explained conditions well
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Frank Perry – Sep 18, 2022
×Post a ResponseAre you Dr. David O'Neil, MD?

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About Me

Watch Dr. O'Neil's Video

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 more
  • Cardiology

  • Body Imaging

*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 Hospital
  • Georgetown University Hospital

    Residency Hospital
  • Georgetown University Hospital

    Internship Hospital
  • Georgetown University School Of Medicine

    Medical School, 1997
American Board of Medical Specialties®
American Board of Internal Medicine®
Cardiovascular Disease
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.
  • English

  • Arabic

Dr. O'Neil is a Healthgrades Choice provider in Cardiology

    Read our methodology

    Affiliated Hospitals

    • Jefferson Cherry Hill Hospital

      2201 Chapel Ave W
      Cherry Hill, NJ 08002
      Recipient of 1
      hospital award
    • Thomas Jefferson University Hospital

      111 S 11th St
      Philadelphia, PA 19107
      Recipient of 23
      hospital awards

      America's 250 Best Hospitals Award™ (2025, 2024)

      Top 5% in the nation for consistently delivering clinical quality

      Coronary Intervention Excellence Award™ (2023)

      Top 5% in the nation for consistently delivering clinical quality

      View all awards

      How patients felt about the care they received at this hospital.

      87%
      Patients said they were given information about recovering at home

      3% higher than the national average

      80%
      Patients said that nurses always listened to them and explained things well

      5% higher than the national average

      View all patient feedback
    • Jefferson Bucks Hospital

      380 N Oxford Valley Rd
      Langhorne, PA 19047
    Learn more about how Healthgrades measures Hospital Quality