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Edit this profileAt a glance
- Consulting Cardiologists, P.c., 85 Seymour Street Suite 719, Hartford, CT 06106
About Dr. Granquist
Based in Hartford, CT, John Granquist, M.D. is listed in the NPI registry under cardiovascular disease (cardiology). John graduated from Tufts University School of Medicine in 2000. John is also listed as specializing in cardiovascular disease. According to Medicare claims data, John cared for 5,563 Medicare patients across 7,898 services. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1699821892 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (860) 522-1761
- Email not available
Practice Locations
CONSULTING CARDIOLOGISTS, P.C. 85 SEYMOUR STREET SUITE 719
Hartford, CT 06106
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
7,898 services · 5,563 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
38 | Less often than most peers in Cardiovascular Disease… |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
4,511 | More than most peers in Cardiovascular Disease… |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
771 | More often than most peers in Cardiovascular Disease… |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
492 | More often than most peers in Cardiovascular Disease… |
| Heart muscle strain imaging | Treatment | 93356 |
360 | More than most peers in Cardiovascular Disease… |
| Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | Treatment | 93296 |
175 | More often than most peers in Cardiovascular Disease… |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
174 | More often than most peers in Cardiovascular Disease… |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
59 | More often than most peers in Cardiovascular Disease… |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
46 | As often as other peers in Cardiovascular Disease… |
| Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring and review and report by health care professional | Treatment | 93268 |
34 | More often than most peers in Cardiovascular Disease… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases in Hartford 8
Same specialty, same city.
Trained at Tufts University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Tufts University School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Nuclear medicine studies of heart muscle at rest and with stress and spect 8
Providers in CT who bill this service to Medicare most often.
Common questions
What does John Granquist specialize in?
John Granquist is a cardiovascular disease (cardiology) in Hartford, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is John Granquist located?
John Granquist is listed at Consulting Cardiologists, P.c. 85 Seymour Street Suite 719, Hartford, CT 06106. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John Granquist's phone number?
The number on file is (860) 522-1761. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John Granquist's NPI number?
John Granquist's National Provider Identifier is 1699821892. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did John Granquist train?
John Granquist attended Tufts University School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has John Granquist been practicing?
John Granquist has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does John Granquist do most often?
According to Medicare billing data, John Granquist performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John Granquist confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John Granquist. If this is you, claiming it is free.
Guide.md
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