Our Leadership
Apex leadership prioritizes one thing - to improve our patient’s quality of life. We look at everything through this lens, and draw on decades of interdisciplinary experience to get to where we need to be.

Dr. Evans is an experienced medical director with knowledge of hospital systems, business development, and strategic planning. He is board-certified in general surgery and surgical critical care. Dr. Evans is focused on embracing and directing the future of medicine by studying how the use of Artificial Intelligence and technology can improve healthcare with specific focus on quality, equity, and equal access. He is knowledgeable in laboratory processes, pharmaceuticals, clinical research and is highly skilled in the surgical treatment of traumatic injury and critical care.

Sara Dunne is a highly experienced and skilled Physician Assistant with over a decade of experience providing pre- and post-operative care and facilitating safe hospital discharges. She is based in Riverview; FL. Ms. Dunne is adept at ordering and interpreting laboratory and imaging tests and can provide efficient physician support. She can also attend physician on-call or house physician on-call and is proficient in using multiple EHR platforms, including Epic, MEDITECH, and Oracle Cerner. In addition, Ms. Dunne is an advocate for her patients during procedures and is highly effective in delivering current health education. Furthermore, she can perform clinical research related to specific operations. Ms. Dunne holds a BS/MS in Physician Assistant Studies from D’Youville College, where she graduated with a GPA of 3.91. She holds active State Licenses in Florida and New York and is NCCPA Board Certified (PA-C). She also has current Acute Cardiac Life Support and Cardiopulmonary Resuscitation certifications.

Dr. Hamann is a residency trained board-certified emergency physician that has been practicing medicine for over 20 years. His experience has been in every level of hospital emergency departments and trauma centers. He also has a decade of working in advanced urgent care centers and 4 years working in urgent/emergent telemedicine.
He has been involved in leadership, molding how telemedicine and urgent care services are supplied with high quality and significant cost effectiveness with the goal of preventing unneeded hospital emergency department use and hospital admissions.
Dr Hamann is originally from the Midwest and has been living and working in Florida since 1998. He has many interests outside of medicine which include almost any outdoor activity, architecture, gardening, and cars. He enjoys travel and pursuing new activities whenever he can with his family and friends.