Dr. John Granquist, MD

Dr. John Granquist, MD

Cardiology  |  
Male  |  
Age 45
(15)
Insurances AcceptedSave
Dr. John Granquist, MD is a cardiology doctor who practices in Hartford, CT. He is 45 years old and has been practicing for 17 years. Dr. Granquist is affiliated with Hartford Hospital.

85 Seymour St Ste 719

Hartford, CT 06106

Contact Information

(860) 522-0604

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • EmblemHealth
  • First Health (Coventry Health Care)
  • Humana
  • Medicaid
  • MultiPlan
  • Oxford Health Plans
  • UnitedHealthCare

*Please verify this information when scheduling an appointment.

Learn about Dr. Granquist

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. Granquist performs your care needs compared to other doctors.

Thrombosis
very high
more than 99% of peers
Heart Palpitations
very high
more than 99% of peers
Heart Disease
very high
more than 97% of peers

Dr. Granquist's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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1

Specialties

  • Cardiology
3

Board Certifications

  • Advanced Heart Failure and Transplant Cardiology
    Accredited by: American Board of Internal Medicine*
  • Cardiovascular Disease
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
49

Conditions Treated

  • Aneurysm and Dissection of Heart
  • Angina and Acute Coronary Syndrome
  • Aortic Aneurysm
  • Aortic Dissection
  • Aortic Ectasia
  • Aortic Stenosis
  • Aortic Valve Disease
  • Aortic Valve Regurgitation
  • Arrhythmias
  • Atrial Fibrillation
  • Atrial Flutter
  • Benign Tumor
  • Cardiac Arrest
  • Cardiomegaly
  • Cardiomyopathy
  • Carotid Artery Disease
  • Chest Pain
  • Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
  • Congenital Aortic Valve Disorders
  • Congenital Heart Defects
  • Congenital Heart Disease
  • Congestive Heart Failure
  • Coronary Artery Disease (CAD)
  • Coronary Artery Dissection
  • Endocarditis
  • Heart Attack (Acute Myocardial Infarction)
  • Heart Disease
  • Heart Murmur
  • Heart Palpitations
  • High-Risk Hypertension
  • Hyperlipidemia
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypertensive Heart Disease
  • Hypertensive Heart and Chronic Kidney Disease
  • Hypotension
  • Limb Swelling Caused by Fluid Overload
  • Mitral Valve Disease
  • Mitral Valve Regurgitation
  • Mitral Valve Stenosis
  • Pericardial Disease
  • Pulmonary Disease
  • Pulmonary Edema
  • Pulmonary Hypertension
  • Septal Defect
  • Syncope
  • Thrombosis
  • Tricuspid Valve Disease
  • Vascular Disease

More

Read More
11

Procedures

  • 24-Hour Ambulatory Electrocardiogram
  • Cardiac Imaging
  • Cardiac MRI (Magnetic Resonance Imaging) of Heart or Chest
  • Cardiac Myocardial Perfusion Imaging
  • Cardiovascular Stress Test
  • Cardioversion, Elective
  • Echocardiography
  • Electrocardiogram (EKG)
  • Heart Biopsy
  • Removal or Revision of Pacemaker or Cardioverter and-or Defibrillator
  • Stress Echocardiogram

Background Check

0 Malpractice Claims

No malpractice history found for Connecticut.

0 Sanctions

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.

Education

  • Tufts University School Of Medicine
    Medical School | Graduated 2000
  • Tufts New England Medical Center
    Fellowship Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Granquist has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Granquist does not have any memberships or affiliations listed. If you are Dr. Granquist and would like to add memberships or affiliations, please update your profile.

Dr. Granquist's Reviews

Likelihood of recommending Dr. Granquist to family and friends
5.0
based on 15 total reviews (1 with a comment)
Dr. Granquist's Performance
  • Trustworthiness
    EXCELLENT
  • Explains condition(s) well
    EXCELLENT
  • Answers Questions
    EXCELLENT
  • Time well spent
    EXCELLENT
Office & Staff Performance
  • Scheduling
    EXCELLENT
  • Office environment
    EXCELLENT
  • Staff friendliness
    EXCELLENT
  • Average wait time
    Under 10 minutes
Patient Comments (1)
in Jacksonville, FL |
I have been a grateful patient of Dr. Granquist for 10 years. I and my family are grateful for his extraordinary levels of clinical competence and caring, and for his generosity in sharing himself with us in our times of need. John J Shaw, DMD
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Visit Dr. Granquist

Now Accepting New Patients
Dr. Granquist accepts 10 insurance carriers
  • Aetna
    Aetna HMO
    Choice PPO
  • Blue Cross Blue Shield
    Blue Card PPO
  • Cigna
    Cigna HMO
    Cigna PPO
    Great West Healthcare-Cigna PPO
    Open Access
  • EmblemHealth
    GHI PPO
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • Humana
    Choice Care PPO
  • Medicaid
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO
  • Oxford Health Plans
    Freedom Plan
  • UnitedHealthCare
    Choice Plus POS
    Options PPO
    Oxford Liberty
    United Healthcare

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Granquist has admitting privileges

Hartford Hospital
80 Seymour St
Hartford, CT 06102
View Hospital Profile

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