Dr. Leslie Mezei, MD
Dr. Leslie Mezei, MD is a cardiologist in Chesterfield, MO and has over 40 years of experience in the medical field. Dr. Mezei has extensive experience in Adult Congenital Heart Conditions. He graduated from University of Medicine of Budapest in 1982. He is affiliated with medical facilities such as St. Luke's Hospital and SSM Health St. Joseph Hospital-Lake Saint Louis. He is accepting new patients and telehealth appointments.
Practice
121 Saint Lukes Center Dr Ste 501 Chesterfield, MO 63017Compare with other Cardiologists
Compare Dr. Mezei with our nearby Cardiologists at Mayo.
Dr. Mezei 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
Experience Check
Search for experience in a specific area
Dr. Mezei's Reviews
Likelihood to recommend Dr. Mezei
4.8
| 5 Star | 94% | 94% |
| 4 Star | 0% | 0% |
| 3 Star | 0% | 0% |
| 2 Star | 0% | 0% |
| 1 Star | 6% | 6% |
Leave a review
How was your experience with Dr. Mezei?Overall Patient Satisfaction
Likelihood of recommending Dr. Mezei to family and friends is 4.7777777 out of 5
About Me
care philosophy
OUR GOAL IS TO PROVIDE YOU WITH THE BEST OF MODERN CARDIAC CARE IN THE SETTING OF "OLD FASHIONED" PERSONALIZED PATIENT CENTERED CARE.biography
Leslie E. Mezei, MD is the sole practitioner of Premier Heart Group, LLC, an independent private practice located in Chesterfield on the campus of St. Lukes Hospital. He has been providing cardiovascular services in the West County area of...read moreCardiology
Internal Medicine
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
St Louis University
Fellowship Hospital, 1988University Louisville School Of Med
Residency Hospital, 1985University Of Louisville
Internship Hospital, 1983University Of Medicine Of Budapest
Medical School, 1982University Of Pennsylvania
Undergraduate School, 1976
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 checkEnglish
Hungarian
Insurance Check
Search for your insurance carrier and choose your plan type
Locations
Practice
Affiliated Hospitals
- Recipient of 14
hospital awardsAmerica’s 50 Best Hospitals for Cardiac Surgery Award™ (2025, 2024, 2023)
Superior clinical outcomes in heart bypass surgery and heart valve surgery
View all awardsSurgical Care Excellence Award™ (2025, 2024)
Superior clinical outcomes in heart bypass surgery and heart valve surgery
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
83%Patients would recommend the hospital to friends and family18% higher than the national average
- Recipient of 38
hospital awardsAmerica’s 50 Best Hospitals for Surgical Excellence Award™ (2025, 2024, 2023)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all awardsPatient Safety Excellence Award™ (2023)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
82%Patients said they were given information about recovering at home2% lower than the national average
75%Patients would recommend the hospital to friends and family10% higher than the national average
- Recipient of 21
hospital awardsView all patient feedbackHow patients felt about the care they received at this hospital.
82%Patients said they were given information about recovering at home2% lower than the national average
76%Patients said that nurses always listened to them and explained things well1% higher than the national average
Compare with other Cardiologists
Compare Dr. Mezei with our nearby Cardiologists at Mayo.
Your trust is our top concern. Learn more.
We monitor all reviews to ensure they comply with our guidelines and don’t include personal information, profanity, libel, defamation, harassment, obscenity or fraud.
All reviews are confirmed and audited before publication, and community members have the ability to flag inappropriate content for further review by our team.
Doctors can not pay for good reviews, nor can they pay to have negative reviews removed.
Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.