Dr. John D. Granquist
- Gender: Male
- Experience: 21 years
- Graduated from: Tufts University School Of Medicine
- Graduation year: 2000
- Sole propriator: No
- NPI: 1699821892
Dr. John D. Granquist M.D.
Internist
He is located at Consulting Cardiologists, P.c. 85 Seymour Street Suite 719 in Hartford, CT 06106. Can help patients with the following: Cystitis, Edema, Heart Disease, Hot Flashes, Migraine, Urethritis. His National Provider Identifier (NPI) number is 1699821892. Appointment can be made via the phone number (860) 522-1761. He is affiliated with 2 practices and 2 hospitals.
Conditions treated
Dr. John Granquist, being an internist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John D. Granquist.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. John D. Granquist
Insurances Accepted by Dr. John D. Granquist
- Medicare
Medicare Enrollment
Dr. John D. Granquist is enrolled to bill Medicare as a Practitioner - Cardiovascular Disease (cardiology) .
Bills through: Hartford Hospital
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| Boston Scientific | $115 |
| Janssen | $72 |
| Amgen | $24 |
Other
| Food and Beverage | $266 |
Studies
TUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2000
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Questions & Answers
What conditions does Dr. John Granquist treat?
Dr. John Granquist provides treatment for Cystitis, Edema, Heart Disease, Hot Flashes, Migraine, Urethritis. For the full list see this list.
Has Dr. John Granquist affiliation with hospitals?
Dr. John Granquist is affiliated with HARTFORD HOSPITAL. For the full list of hospitals see this list.
Where can you meet with Dr. John Granquist?
Dr. John Granquist's office is located at Consulting Cardiologists, P.c. 85 Seymour Street Suite 719 in Hartford, CT 06106.
Does Dr. John Granquist accept patients with Medicare?
Yes, Dr. John Granquist accepts patients with Medicare.
Does Dr. John Granquist have affiliation with practices?
Dr. John Granquist is affiliated with Connecticut Heart Physicians. For the full list of practices see this list.