background
background
Dr. Michael Gavalas, MD

Dr. Michael Gavalas, MD

Cardiology*

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 11794

Hospital Highlight

Dr. Gavalas is affiliated with Mather Hospital Port Jefferson, a highly rated and top awarded hospital for cardiology.

At a Glance

  • Areas of Expertise
    Dr. Gavalas specializes in the areas of Cardiovascular Disease & Internal Medicine. See board certifications
  • Practices at Top Hospital
    America’s 100 Best Hospitals for Coronary Intervention Award™ See hospitals
  • Hospital Satisfaction
    Patients said they were highly satisfied at this doctor's hospital. See hospitals
ADVERTISEMENT
healthgrades-rx

Save money with free prescription discounts

Optum Perks and Healthgrades are subsidiaries of RVO Health.

Experience Check

Search for experience in a specific area

Insurance Check

Search for your insurance carrier and choose your plan type

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

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

American Board of Medical Specialties®
American Board of Internal Medicine®
Cardiovascular Disease
Internal Medicine
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.

Locations

Practice

Stony Brook University Hospital101 Nicolls Rd Stony Brook, NY 11794
1

Practice

Stonybrook Dialysis Clinic26 Research Way East Setauket, NY 11733
2
  • Call
  • Fax
  • 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

Stony Brook Pulmonary Hypertension Center500 Commack Rd Ste 203 Commack, NY 11725
3

Affiliated Hospitals

  • Mather Hospital

    75 N Country Rd
    Port Jefferson, NY 11777
    Recipient of 22
    hospital awards

    America’s 100 Best Hospitals for Coronary Intervention Award™ (2025)

    Top 5% in the nation for consistently delivering clinical quality

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

    90%
    Patients said they were given information about recovering at home

    6% higher than the national average

    85%
    Patients said that nurses always listened to them and explained things well

    10% higher than the national average

    View all patient feedback
  • St Charles Hospital

    200 Belle Terre Rd
    Port Jefferson, NY 11777
    Recipient of 1
    hospital award

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

    86%
    Patients said they were given information about recovering at home

    2% higher than the national average

    77%
    Patients said that nurses always listened to them and explained things well

    2% higher than the national average

    View all patient feedback
  • Stony Brook University Hospital

    101 Nicolls Rd
    Stony Brook, NY 11794
    Recipient of 33
    hospital awards

    America's 100 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

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

    86%
    Patients said they were given information about recovering at home

    2% higher than the national average

    74%
    Patients said that doctors always listened to them and explained things well

    2% lower than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality