


Dr. Sean Halligan, MD
Dr. Sean Halligan, MD is a cardiologist in Sioux Falls, SD and has over 15 years of experience in the medical field. Dr. Halligan has extensive experience in Interventional Cardiac Procedures. He graduated from University of Nebraska Medical Center College of Medicine in 2005. He is affiliated with medical facilities such as Avera McKennan Hospital and University Health Center and Avera St. Mary's Hospital. He is accepting new patients.
Practice
4520 W 69th St Sioux Falls, SD 57108Hospital Highlight
Dr. Halligan is affiliated with Brookings Health System Brookings, a highly rated hospital.
At a Glance
- Areas of ExpertiseDr. Halligan specializes in the areas of Cardiovascular Disease, Cardiovascular Disease, Interventional Cardiology & Interventional Cardiology. • See board certifications
- Explains Conditions Well
- Practices at Top Hospital
- Hospital Satisfaction

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Dr. Halligan's Reviews
Likelihood to recommend Dr. Halligan
3.6
5 Star | 40% | 40% |
4 Star | 20% | 20% |
3 Star | 20% | 20% |
2 Star | 0% | 0% |
1 Star | 20% | 20% |
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How was your experience with Dr. Halligan?Overall Patient Satisfaction
Likelihood of recommending Dr. Halligan to family and friends is 3.6 out of 5
About Me
biography
Dr. Sean Halligan, MD is a cardiologist in Sioux Falls, SD and has over 15 years of experience in the medical field. Dr. Halligan has extensive experience in Interventional Cardiac Procedures. He graduated from University of Nebraska Medical Center...read moreCardiology
Interventional Cardiology
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
University Of Nebraska Medical Center College Of Medicine
Medical School, 2005
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.
Learn more about medical license public record checkLocations
Practice
Practice
Affiliated Hospitals
- View all patient feedback
How patients felt about the care they received at this hospital.
91%Patients said that doctors always listened to them and explained things well9% higher than the national average
87%Patients would recommend the hospital to friends and family14% higher than the national average
- Recipient of 1
hospital awardView all awardsOutstanding Patient Experience Award™ (2024)
Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions
View all patient feedbackHow patients felt about the care they received at this hospital.
91%Patients said they were given information about recovering at home4% higher than the national average
84%Patients said that doctors always listened to them and explained things well6% higher than the national average
- Recipient of 11
hospital awardsAmerica's 250 Best Hospitals Award™ (2025, 2024)
Top 5% in the nation for consistently delivering clinical quality
View all awardsOutstanding Patient Experience Award™ (2024, 2023, 2022)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
89%Patients said they were given information about recovering at home5% higher than the national average
78%Patients said that nurses always listened to them and explained things well3% higher than the national average
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