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Francisco Contreras, MD

Dr. Francisco Contreras is a board-certified interventional radiologist at Orlando Health Medical Group Radiology. He uses medical imaging such as X-rays, ultrasound and computed tomography (CT) to guide minimally invasive procedures to diagnose and treat an array of conditions that once required open surgery.

Frans van Dijk, MD

Dr. Frans van Dijk is a board-certified diagnostic radiologist and fellowship-trained nuclear radiologist with Orlando Health Medical Group Radiology. He has been in practice for more than 20 years.

Aji Valayil Achuthan, APRN

Ajita Kundaikar, MD

Shannon Scott Schellhammer, MD

Shazia Nasir, MD

Shahrzad Tarafdar Haghighat, MD

Shahid Qamar, MD

Shahid Qamar, MD, FACC, is a cardiologist with Orlando Health Heart & Vascular Institute. He specializes in advanced heart failure, mechanical circulatory support and heart transplantation. He has extensive training in cardiovascular disease with special interests in cardiac oncology, pulmonary hypertension and infiltrative heart disease, providing patients the latest diagnostic and therapeutic treatments. Dr. Qamar’s board certifications include internal medicine, general cardiology, echocardiography, and advanced heart failure and transplant cardiology.

Stacey Wheeler, PA-C

Stacey Wheeler is a certified physician assistant (PA-C) with the Orlando Health Heart and Vascular Institute. She provides direct care, as well as primary and secondary prevention, to cardiovascular patients in a clinical setting. Her expertise includes:

Steven Walczak, MD

Dr. Steven Walczak is a board-certified radiologist and a fellowship-trained musculoskeletal radiologist with Orlando Health Medical Group Radiology. He cares for patients who need interpretation of their diagnostic imaging, including: