

Dr. Mark Fisherkeller, MD
Dr. Mark Fisherkeller, MD is a cardiologist in Willimantic, CT and has over 45 years of experience in the medical field. He graduated from Drexel University College of Medicine in 1975. He is affiliated with medical facilities Hartford Hospital and Windham Hospital. He is not accepting new patients.
Hartford HealthCare Medical Group
5 Founders St Ste 102 Willimantic, CT 06226Hospital Highlight
Dr. Fisherkeller is affiliated with Hartford Hospital Hartford, a highly rated and top awarded hospital for cardiology.
At a Glance
- Areas of ExpertiseDr. Fisherkeller specializes in the areas of Cardiovascular Disease & Internal Medicine. • See board certifications
- Explains Conditions Well
- Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
- Practices at Top Hospital

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Dr. Fisherkeller's Reviews
Likelihood to recommend Dr. Fisherkeller
3.7
5 Star | 57% | 57% |
4 Star | 14% | 14% |
3 Star | 0% | 0% |
2 Star | 0% | 0% |
1 Star | 29% | 29% |
Overall Patient Satisfaction
Likelihood of recommending Dr. Fisherkeller to family and friends is 3.7142856 out of 5
About Me
care philosophy
Mark Fisherkeller, MD is currently not accepting new patientsbiography
Mark Fisherkeller, MD is currently not accepting new patientsCardiology
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
St Vincents/brown University
Fellowship Hospital, 1983St Francis General Hospital
Residency Hospital, 1978St Francis General Hospital
Internship Hospital, 1976Drexel University College Of Medicine
Medical School, 1975
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Locations
Hartford HealthCare Medical Group
Affiliated Hospitals
- Recipient of 29
hospital awardsAmerica’s 50 Best Hospitals for Cardiac Surgery Award™ (2025, 2024, 2023)
Superior clinical outcomes in heart bypass surgery, coronary interventional procedures, heart attack treatment, heart failure treatment, and heart valve surgery
View all awardsAmerica’s 100 Best Hospitals for Cardiac Care Award™ (2025, 2024, 2023)
Superior clinical outcomes in heart bypass surgery, coronary interventional procedures, heart attack treatment, heart failure treatment, and heart valve surgery
View all patient feedbackHow patients felt about the care they received at this hospital.
89%Patients said they were given information about recovering at home5% higher than the national average
76%Patients said that doctors always listened to them and explained things well - Recipient of 3
hospital awardsView all awardsPatient Safety Excellence Award™ (2023)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
90%Patients said they were given information about recovering at home3% higher than the national average
80%Patients said that nurses always listened to them and explained things well2% higher than the national average
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