Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John Granquist, MD

Individual provider Cardiovascular Disease Physician · NPI 1699821892

Dr. John Granquist, MD is a Cardiovascular Disease (Cardiology) in Hartford, Connecticut. Graduated from Tufts University School of Medicine in 2000, 26 years ago. Practices with Consulting Cardiologists PC, a 24-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
26
Trained at
Tufts University School of Medicine
Licensed in
CT
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Consulting Cardiologists P.c 85 Seymour St Ste 719
Hartford, CT 06106
Phone: (860) 522-1761
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 045097 (CT)

Record details

NPI number1699821892
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 28, 2007
Last updated in NPPESApril 25, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Consulting Cardiologists Pc — 24 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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