The Ambulatory Cardiovascular Center of Mississippi, or ACC of MS, is a Cardiac Ambulatory Surgical Facility, and the first of its kind in the state. The ACC of MS is also the only Cardiac Ambulatory Surgery Center within the Certificate of Need states. 

The ACC of MS is a partnership of Forrest General Hospital and Hattiesburg Clinic, PA. The joint venture combines the expertise of Hattiesburg Clinic cardiologists with the support of the largest health system in South Mississippi, offering a comprehensive range of heart and vascular services, including cardiac catheterization, percutaneous coronary interview (PCI) and cardiovascular surgery. 

The Ambulatory Cardiovascular Center of Mississippi is located on the third floor of the main Hattiesburg Clinic at 415 South 28th Avenue in Hattiesburg, Mississippi, across from Forrest General Hospital.