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Dr. John D. Granquist, MD Get a Free Background Report on Dr. John D. Granquist, MD. Malpractice, medical malpractice, sanctions, misconduct, credentials, and penalty or negligence information.

Specializes in Cardiology • Male • Age 43

85 Seymour St Ste 719
Hartford, CT 06106
OverviewExperienceHospital QualityPatient SatisfactionAppointments & Offices

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Dr. Granquist's Experience


  • Cardiology

Board Certifications

  • Advanced Heart Failure and Transplant Cardiology
  • Cardiovascular Disease
  • Internal Medicine
  • 24-Hour Ambulatory Electrocardiogram
  • Cardiac Imaging
  • Cardiac Myocardial Perfusion Imaging
  • Cardioversion, Elective
  • Echocardiography
  • EKG (Electrocardiogram, ECG)
  • Heart Biopsy
  • Heart Transplant
  • Stress Echocardiogram
  • Thoracentesis
  • Aneurysm and Dissection of Heart
  • Angina and Acute Coronary Syndrome
  • Aortic Aneurysm
  • Aortic Dissection
  • Aortic Ectasia
  • Aortic Valve Disease
  • Aortic Valve Regurgitation
  • Arrhythmias (incl. Atrial Fibrillation)
  • Atrial Fibrillation
  • Atrial Flutter
  • Cardiac Arrest
  • Cardiac Arrhythmia
  • Cardiomegaly
  • Cardiomyopathy
  • Carotid Artery Disease
  • Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
  • Congenital Aortic Valve Disorders
  • Congenital Heart Defects
  • Congenital Heart Disease
  • Congestive Heart Failure
  • Coronary Artery Disease (CAD)
  • Endocarditis
  • Heart Attack (Acute Myocardial Infarction)
  • Heart Disease
  • Heart Palpitations
  • Heart Problems
  • High-Risk Hypertension
  • Hyperlipidemia
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypertensive Heart and Chronic Kidney Disease
  • Hypertensive Heart Disease
  • Hypotension
  • Mitral Valve Disease
  • Mitral Valve Regurgitation
  • Pericardial Disease
  • Pulmonary Disease
  • Pulmonary Hypertension
  • Septal Defect
  • Syncope
  • Thrombosis
  • Tricuspid Valve Disease
  • Vascular Disease

Background Check for Dr. Granquist

Malpractice Claims not available

  • Healthgrades does not collect malpractice information for Connecticut.
  • No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

  • No board actions found for the years that Healthgrades collects data.

Awards & Recognitions


Education & Training

Medical School

Tufts University School Of Medicine
Graduated in 2000

Fellowship Hospital

Tufts New England Medical Center

Languages Spoken by Dr. Granquist & Staff

  • English

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