Three of the area's most experienced cardiologists to serve you.
Gwinnett Medical Center (GMC) announces the opening of Gwinnett Heart Specialists of Gwinnett Medical Group. This new medical practice is staffed by Sreeni Gangasani, M.D., Michael Lipsitt, M.D. and Marc Unterman, M.D., three of the area’s most experienced cardiologists who have served the community for 30 years. Gwinnett Heart Specialists provides services for both the prevention and treatment of cardiovascular disease. Services include:
- Stress testing
- Echocardiography
- Vascular services
- Coronary interventions, including cardiac catheterization and angioplasty
- Peripheral interventions, including percutaneous stenting
- Pacemaker implantation
While Gwinnett Heart Specialists is based in Lawrenceville, the practice also has locations in Dacula, Duluth, Loganville, Monroe and Sugar Hill.


