4.4
5 Ratings with 3 written Reviews
Summary
Dr. John Granquist is a cardiovascular disease specialist with expertise in internal medicine. He earned his medical degree from Tufts University School of Medicine and has practiced for 26 years. Dr. Granquist speaks Spanish and Russian, allowing him to connect with a diverse patient population.
Dr. Granquist is affiliated with Hartford Hospital, Saint Francis Hospital and Medical Center, New Britain General Campus, and Midstate Medical Center, with practice locations in Glastonbury, Avon, West Hartford, Hartford, and Manchester, Connecticut. He specializes in treating heart rhythm disorders, including irregular heartbeats and arrhythmias in children. His expertise includes performing electrocardiograms and guiding patients through cardiac rehabilitation programs. Patients rate Dr. Granquist 4.4 out of 5 stars on Vitals.
Dr. Granquist is affiliated with Hartford Hospital, Saint Francis Hospital and Medical Center, New Britain General Campus, and Midstate Medical Center, with practice locations in Glastonbury, Avon, West Hartford, Hartford, and Manchester, Connecticut. He specializes in treating heart rhythm disorders, including irregular heartbeats and arrhythmias in children. His expertise includes performing electrocardiograms and guiding patients through cardiac rehabilitation programs. Patients rate Dr. Granquist 4.4 out of 5 stars on Vitals.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 26 years of experience
- speaks Spanish, Russian
- Tufts University School Of Medicine
- 3 written reviews
- 2 specialties
- 19 areas of expertise
- 2 board certifications
- 5 hospital affiliations
- 8 office locations
- Male
Office Locations
Dr. John Dickson Granquist has 8 locationsConsulting Cardiologists Pc
305 Western Blvd Ste 100Glastonbury, CT 06033 Tel: (860) 522-0604
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Avon Wellness Center
100 Simsbury RdAvon, CT 06001 Tel: (860) 522-0604
Mon6:30 am - 8:00 pm
Tue6:30 am - 8:00 pm
Wed6:30 am - 8:00 pm
Thu6:30 am - 8:00 pm
Fri6:30 am - 8:00 pm
SatClosed
SunClosed
Consulting Cardiologists Pc
433 S MAIN ST STE 109WEST HARTFORD, CT 06110Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Consulting Cardiologists Pc
305 Western BlvdGlastonbury, CT 06033Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Cardiology Pc Of Hartford
376 TOLLAND TPKE STE 101MANCHESTER, CT 06042 Tel: (860) 522-5712
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed
Center For Advanced Heart Failure And Pulmonary Vascular Disease
85 Seymour StHartford, CT 06106Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  | |
| Dr. John Dickson Granquist, MD | Dr. Craig Alan Walden, MD | Dr. James Taylor Reed, MD | Dr. Robert Bennett Clark, MD |
| Cardiovascular Disease | Diagnostic Radiology | Anesthesiology | Allergy & Immunology |
| Accepts New Patients | |||
| 26 Years of Experience | 44 Years of Experience | 23 Years of Experience | 51 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Spanish, Russian | Speaks Spanish, German | Speaks French, Spanish, English | Speaks English |
| Glastonbury , CT | Middletown , CT | Hartford , CT | Farmington , CT |
| Med School: Tufts University School Of Medicine | Med School: University Of Minnesota Medical School | Med School: University Of Mississippi School Of Medicine | Med School: Stanford University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Dickson Granquist
Medical Specialties
Dr. John Dickson Granquist has the following 2 specialties
Specialty Expertise
Dr. John Dickson Granquist has the following 19 areas of expertise
Certifications, License, & Education
26 Years Experience
MEDICAL LICENSE
Medical Doctor, Connecticut, 2026, Active
EDUCATION & TRAINING
Medical School
Tufts University School Of MedicineGraduated in 2000
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Frequently Asked Questions
- Does Dr. John Granquist accept virtual/telehealth appointments?
- Dr. John Granquist has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- What languages does Dr. John Granquist speak?
- Dr. John Granquist speaks Spanish and Russian.
- Which hospitals is Dr. John Granquist affiliated with?
- Dr. John Granquist is affiliated with Hartford Hospital, Saint Francis Hospital And Medical Center, New Britain General Campus, Midstate Medical Center, and Hartford Hospital.
- Does Dr. John Granquist accept my insurance?
- You can see the insurance plans that Dr. John Granquist accepts on their Vitals profile.
- Where is Dr. John Granquist's office located?
- Dr. John Granquist's office is located at 305 Western Blvd Ste 100, Glastonbury, CT, 06033.
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