Our Doctors
Sand Lake Imaging is comprised of highly trained, experienced and caring radiologists. Our radiologists are actively involved in the ongoing growth of radiology within Central Florida, and are helping to set the standard of radiological expertise and care for the region. In order to provide the best subspecialty expertise within our practice, our radiologists work in an interactive consultative manner using PACS-RIS to ensure the most expert opinion is delivered in a timely fashion.
Stephen M. Bravo, MD
Dr. Bravo serves as the Medical Director of Sand Lake Imaging. He is former attending radiologist at Brigham and Women’s Hospital and former faculty member at Harvard Medical School. Dr. Bravo is an expert in neuroradiology, musculoskeletal radiology, and interventional radiology; and has authored numerous publications and abstracts in these areas of subspecialization. Dr. Bravo is board certified by the American Board of Radiology.
Robert A. Posniak, MD
Dr. Posniak brings over 20 years of experience to Sand Lake Imaging. He has practiced in all areas of diagnostic radiology, with special emphasis on mammography and interventional radiology. Dr. Posniak is a former faculty member at the University of Miami School of Medicine and is currently Chairman of Radiology at Osceola Regional Medical Center. He is board certified by the American Board of Radiology.
Sydney S. Yoon, MD
Dr. Yoon is trained in diagnostic radiology at UCLA and internal medicine at the Johns Hopkins School of Medicine. He completed fellowships in neuroradiology at Columbia University and vascular and interventional radiology at UCLA. He received his MD at the University of Chicago, BA at Johns Hopkins, and is cited in Castle Connolly’s “America’s Top Doctors”, New York Magazine’s “best doctors” listing 2000-2004, and Who’s Who in America. He is board certified in diagnostic radiology by the American Board of Radiology, with certificates of added qualifications in Neuroradiology and Vascular and Interventional Radiology and board certified in medicine by the American Board of Internal Medicine with advanced level 2 training in cardiac CT angiography.
Charlotte D. Elenberger, MD
Dr.Elenberger specializes in Breast imaging and Intervention. She
completed fellowship training in breast imaging and body imaging at Duke University Medical Center. Dr. Elenberger has recently been
named one of Orlando’s BEST Doctors in America and Consumer’s Guide to TOP Doctors. Dr. Elenberger is board certified in radiology and is a member of the American College of Radiology’s Society of Breast Imaging.
