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Dr. John Granquist, MD

Cardiology*
5.0 (122)
Map Pin Small Glastonbury, CT
Accepting new patients
24 years of experience

Offers telehealth

Overview of Dr. John Granquist, MD

Dr. John Granquist, MD is a Cardiology Specialist in Glastonbury, CT. They specialize in Cardiology, has 24 years of experience, and is board certified in Advanced Heart Failure and Transplant Cardiology. They graduated from Tufts University School of Medicine and is affiliated with Hartford Hospital and Manchester Memorial Hospital. Patients rated Dr. Granquist an average 5.0 star rating.

Dr. Granquist works at Consulting Cardiologists in Glastonbury, CT with other offices in Hartford, CT, Windsor, CT and West Hartford, CT. They are accepting new patients and accept Aetna, Anthem and Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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These providers are on the medical staff of Hartford Healthcare.

Dr. Granquist's Office Locations

  1. 1
    Consulting Cardiologists
    305 Western Blvd Ste 100STE 100, Glastonbury, CT 06033 Icon Directions Right Arrow Directions Phone Icon (860) 522-0604
    Monday
    09:00 - 17:00
    Tuesday
    09:00 - 17:00
    Wednesday
    09:00 - 17:00
    Thursday
    09:00 - 17:00
    Friday
    09:00 - 17:00
    Saturday
    Closed
    Sunday
    Closed
  2. 2
    Consulting Cardiologists PC
    85 Seymour St Ste 719, Hartford, CT 06106 Icon Directions Right Arrow Directions Phone Icon (860) 522-0604
    Monday
    09:00 - 17:00
    Tuesday
    09:00 - 17:00
    Wednesday
    09:00 - 17:00
    Thursday
    09:00 - 17:00
    Friday
    09:00 - 17:00
    Saturday
    Closed
    Sunday
    Closed
  3. 3
    Consulting Cardiologists
    74 Mack St, Windsor, CT 06095 Icon Directions Right Arrow Directions Phone Icon (860) 522-0604
    Monday
    09:00 - 17:00
    Tuesday
    09:00 - 17:00
    Wednesday
    Closed
    Thursday
    Closed
    Friday
    Closed
    Saturday
    Closed
    Sunday
    Closed
  4. 4
    Consulting Cardiologists, PC
    433 S Main St Ste 109, West Hartford, CT 06110 Icon Directions Right Arrow Directions Phone Icon (860) 522-0604
    Monday
    09:00 - 17:00
    Tuesday
    09:00 - 17:00
    Wednesday
    09:00 - 17:00
    Thursday
    09:00 - 17:00
    Friday
    09:00 - 17:00
    Saturday
    Closed
    Sunday
    Closed
  5. 5
    Consulting Cardiologists
    1060 Day Hill Rd, Windsor, CT 06095 Icon Directions Right Arrow Directions Phone Icon (860) 522-0604
    Monday
    Closed
    Tuesday
    09:00 - 17:00
    Wednesday
    Closed
    Thursday
    Closed
    Friday
    Closed
    Saturday
    Closed
    Sunday
    Closed

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Hartford Hospital
  • Manchester Memorial Hospital

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Hypertension
Arrhythmias
Aortic Valve Disease

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Hypertension
Arrhythmias
Aortic Valve Disease
Abdominal Aortic Aneurysm (AAA)
Acute Coronary Syndrome
Aortic Aneurysm
Aortic Dissection
Aortic Valve Regurgitation
Atherosclerosis
Atrial Fibrillation
Atrial Septal Defect
Cardiomyopathy
Cardiomyopathy, Hypertrophic
Carotid Artery Disease
Chest Pain
Chronic Congestive Heart Failure
Congenital Heart Defects
Congestive Heart Failure
Coronary Artery Disease (CAD)
Heart Attack (Acute Myocardial Infarction)
Heart Disease
Heart Murmur
Heart Palpitations
Hyperlipidemia
Hypertensive Chronic Kidney Disease
Hypertensive Heart and Chronic Kidney Disease
Hypertensive Heart Disease
Hypertensive Heart with Failure
Lipid Disorders
Mitral Valve Disease
Mitral Valve Prolapse
Mitral Valve Regurgitation
Peripheral Edema
Peripheral Vascular Disease (PAD, PVD)
Septal Defect
Sinus Bradycardia
Supraventricular Tachycardia
Syncope
  • View other providers who treat Syncope
Cardiac Myocardial Perfusion Imaging
Cardiac Ultrasound
Cardioversion, Elective
Coronary Angioplasty, Atherectomy and Stent
Electrocardiogram (EKG)
Vascular Duplex Ultrasonography and Plethysmography
Acute Congestive Heart Failure
Aneurysm and Dissection of Heart
Angina
  • View other providers who treat Angina
Aortic Ectasia
Aortic Embolism and Thrombosis
Aortic Stenosis
Atherosclerosis of Aorta
Atrial Flutter
Cardiac Arrest
Cardiac Sarcoidosis
Cardiac Tamponade
Cardiomegaly
Cardiomyopathy, Dilated
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Congenital Aortic Valve Disorders
Congenital Heart Disease
Coronary Artery Dissection
Endocarditis
First Degree Heart Block
High-Risk Hypertension
Hyperkalemia
Hypertensive Encephalopathy
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Limb Swelling Caused by Fluid Overload
Long QT Syndrome
Marfan Syndrome
Mitral and Aortic Valve Disorder
Mitral Valve Stenosis
Noninfective Endocarditis
Orthostatic Hypotension
Paroxysmal Atrial Fibrillation
Patent Foramen Ovale (PFO)
Pericardial Disease
Pericarditis
Primary Pulmonary Hypertension
Pulmonary Disease
Pulmonary Hypertension
Pulmonary Venous Return Anomaly
Reflex Sympathetic Dystrophy
Rheumatic Aortic Valve Disorders
Rheumatic Mitral Stenosis
Rheumatic Tricuspid Disease
Second Degree Heart Block
Sick Sinus Syndrome
Sinus Tachycardia
Takayasu's Arteritis
Third Degree Heart Block
Thrombosis
Tricuspid Valve Disease
Type 2 Heart Block - Mobitz
Typical Atrial Flutter
Unstable Angina
Vascular Disease
Ventricular Fibrillation
Ventricular Septal Defect
Ventricular Tachycardia (VT)
Vitamin D Deficiency
Wolff-Parkinson-White Pattern
24-Hour Ambulatory Electrocardiogram
Cardiac Catheterization with Robotic Assist
Cardiac Imaging
Cardiac MRI (Magnetic Resonance Imaging) of Heart or Chest
Cardiovascular Stress Test
Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
Heart Biopsy
Nuclear Stress Testing
Stress Echocardiogram
Structural Heart Disease Evaluations and Treatment
Check your insurance
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    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Anthem
    • Blue Cross Blue Shield
    • Buckeye Community Health Plan
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • Coventry Health Care
    • EmblemHealth
    • First Health
    • Harvard Pilgrim Health Care
    • Humana
    • Medicaid
    • Medicare
    • Midwest Health Plan
    • MultiPlan
    • Oxford Health Plans
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    5.0
    Average provider rating
    Based on 122 ratings
    Patient Ratings (122)
    5 Star
    (122)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (0)
    Leave a review

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    Photo: Dr. John Granquist, MD
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    • Likelihood of recommending Dr. Granquist to family and friends

    Dr. Granquist's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Granquist

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. John Granquist, MD

    Specialties*
    • Cardiology

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 24 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1699821892
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • Tufts New England Medical Center
    Fellowship
    Medical Education
    • Tufts University School of Medicine
    Medical Education
    Board Certifications
    • Advanced Heart Failure and Transplant Cardiology, Cardiovascular Disease and Internal Medicine
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. John Granquist, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Granquist is offering online scheduling or call the provider’s office for more information.

    Dr. Granquist has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    122 patients have reviewed Dr. Granquist. The overall rating for this provider is 5.0. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Granquist.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Granquist, there are benefits to both methods. A person calling to schedule an with Dr. Granquist appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Granquist, or would you like to choose another provider and have an online appointment right now?
    Find provider online now
    Call now to make an appointment
    (860) 522-0604

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