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About

Hartford HealthCare Medical Group is a nonprofit, multi-specialty medical practice based in Hartford, CT, forming part of Hartford HealthCare’s expansive healthcare network. It operates numerous hospitals, medical centers, rehabilitation and senior care services across Connecticut, including heart and vascular services, cancer, neuroscience, orthopedics, and urology, through an integrated system of hospitals, home care, behavioral health, and an accountable care organization. The group emphasizes its institute-driven approach to high standards of care and breadth of services, with locations throughout the state, including Guilford and other CT communities. Contact and location specifics for a Heart & Vascular location in Guilford are not detailed on the provided page.

Clinic Type

Heart & Vascular Care

Address

One State Street, Hartford, CT 06106, US

Phone

860.406.6865

Email

Elizabeth.Begley@hhchealth.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Heart & Vascular care
  • Cardiology
  • Vascular surgery
  • Robotic surgery
  • Heart disease treatment

Insurance & Payment

Languages Spoken

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Facebook (Hartford HealthCare Heart & Vascular Institute): 74% recommend (5 reviews)
  • External review aggregator: Mixed reviews (specific numerical aggregate not provided) (9 reviews)
  • Hartford HealthCare Medical Group website: 5 out of 5 stars (specific to Dr. John Chandler) (multiple reviews)
  • WebMD Care: 5 out of 5 stars (specific to Dr. Jonathan Siegfried) (1 rating)

Patients praise

  • specialized care and expertise
  • friendly and professional staff (in some experiences)
  • efficient same-day appointments (in some experiences)

Common complaints

  • long wait times
  • poor communication
  • lack of professionalism in staff scheduling

"NEVER GO HERE! Staff has complete disregard for your time. As a new patient I was left sitting for over 45 minutes... Got my refund and would not recommend this place to anyone."

Patient review on aggregator site

"Dr. Chandler is the best@! A great person, great MD. I have had the good fortune of being a patient of Dr. John Chandler for over 30 years... He thinks of the whole person without judgment! I'll sum it up with he is simply awesome!!"

Verified patient review on Hartford HealthCare Medical Group website

"The best doctors around they always fit me in the same day and the wait is never long! Very Friendly and professional I would recommend this place a thousand times!!!!"

Patient review on aggregator site

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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