


Dr. Michael Gavalas, MD
Dr. Michael Gavalas, MD is a cardiologist in Stony Brook, NY. He is affiliated with medical facilities such as Stony Brook University Hospital and Mather Hospital.
Practice
101 Nicolls Rd Stony Brook, NY 11794Hospital Highlight
Dr. Gavalas is affiliated with Mather Hospital Port Jefferson, a highly rated and top awarded hospital for cardiology.
At a Glance
- Areas of ExpertiseDr. Gavalas specializes in the areas of Cardiovascular Disease & Internal Medicine. • See board certifications
- Practices at Top Hospital
- Hospital Satisfaction

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Dr. Gavalas' Reviews
Overall Patient Satisfaction
About Me
biography
Dr. Michael Gavalas, MD is a cardiologist in Stony Brook, NY. He is affiliated with medical facilities such as Stony Brook University Hospital and Mather Hospital.Cardiology
Internal Medicine
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Learn more about medical license public record checkLocations
Practice
Practice
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- Hours
- Mon: 8:00am - 5:00pm
- Tue: 8:00am - 5:00pm
- Wed: 8:00am - 5:00pm
- Thu: 8:00am - 5:00pm
- Fri: 8:00am - 5:00pm
- Directions
Practice
Affiliated Hospitals
- Recipient of 22
hospital awardsAmerica’s 100 Best Hospitals for Coronary Intervention Award™ (2025)
Top 5% in the nation for consistently delivering clinical quality
View all awardsAmerica's 250 Best Hospitals Award™ (2025, 2024, 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.
90%Patients said they were given information about recovering at home6% higher than the national average
85%Patients said that nurses always listened to them and explained things well10% higher than the national average
- Recipient of 1
hospital awardView all patient feedbackHow patients felt about the care they received at this hospital.
86%Patients said they were given information about recovering at home2% higher than the national average
77%Patients said that nurses always listened to them and explained things well2% higher than the national average
- Recipient of 33
hospital awardsAmerica's 100 Best Hospitals Award™ (2025, 2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all awardsAmerica's 250 Best Hospitals Award™ (2025, 2024, 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.
86%Patients said they were given information about recovering at home2% higher than the national average
74%Patients said that doctors always listened to them and explained things well2% lower than the national average
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