Our Radiologists

Dr. Jose Pizarro is Board Certified in Diagnostic Radiology and Fellowship Trained and Board Certified in Neuroradiology.  He has been actively practicing since 2001.

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Dr. Pizarro completed a Neuroradiology fellowship at the University of Miami-Jackson Memorial Hospital.

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He previously worked as a partner radiologist, Chief of Neuroradiology, and Chairman of Radiology at Orlando Health from 2001-2009.  During that time, he was also Chief of Neuroradiology at the MD Anderson Cancer Center at Orlando Health where he gained experience in Cancer Imaging.  

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In 2010, Dr. Pizarro became the nation’s youngest academic Chairman of Radiology at the Mount Sinai Medical Center where he was also Chief of Neuroradiology.  

​Sean Mahan, MD, is a diagnostic radiologist who is currently President of EliteRad Radiology Services, a national radiology practice. Dr. Mahan received his bachelor’s degree from the University of Virginia, and a medical degree from the Medical College of Virginia. He later finished his internship and residency at the Medical College of Virginia, and then completed a fellowship at Georgetown University Medical Center. His board certifications include the National Board of Medical Examiners Board Certification and subspecialty Board Certification from the American Board of Radiology in 1996.

Jay Park DO, is a board-certified radiologist. He completed his residency training at McLaren Macomb Medical center affiliated with Michigan State University in East Lansing, MI.  He subsequently completed an emergency and trauma radiology fellowship at Emory University Hospitals and Grady Memorial Hospital.  With the high level and variety of trauma, Dr. Park is well equipped to handle the wide variety of traumatic cases seen day to day in diagnostic imaging.

After completion of training, Dr. Park worked as an emergency radiologist reading a high volume of emergent and post traumatic imaging studies for both level I and level II trauma centers in Ohio and FL.

Dr. Korangy is a board certified, fellowship trained expert Neuroradiologist. With 20 years of experience in radiology and several distinguished positions, Dr. Korangy offers our patients excellence in evaluation and reporting of neurologic and body imaging.

 After graduating from George Washington University, he completed his education as chief resident and subsequent neuroradiology fellow at Georgetown University Medical Center. During his fellowship, he had the opportunity to train at facilities that performed cutting edge, specialized neurological medicine including the National Institute of Health and Children’s National Medical Center. Dr. Korangy’s vast experience with advanced radiology techniques and pediatric imaging make him an indispensable part our practice.

is a musculoskeletal radiologist and founder of Orthopedic Radiology Specialists, a teleradiology company subspecializing in spine, musculoskeletal, and neurological imaging.

Dr. Feinberg received his undergraduate education at Johns Hopkins University and his medical degree from Sackler School of Medicine. After completing his internship at Carney Hospital in Boston, he moved to New York, New York, where he completed a Diagnostic Radiology residency at Saint Vincent’s Hospital. His musculoskeletal radiology training culminated in a fellowship at the Hospital for Special Surgery, rated by US News as the Best Orthopedic Hospital. During his training, Dr. Feinberg was known for practicing the highest level of expertise and care, and contributed to research including MRI imaging of Total Joint Replacements and high-resolution MRI imaging of the Cartilage in joints.

Thomas Chu, M.D. is a graduate of Tufts University School of Medicine and is a board certified diagnostic radiologist with subspecialty expertise in musculoskeletal MRI. After completing a diagnostic radiology residency at Mount Sinai Medical Center in Miami, Dr. Chu completed a musculoskeletal MRI fellowship at the Stoller fellowship program in San Francisco where he trained under the direct supervision of Dr. David Stoller, a renowned author of multiple musculoskeletal MRI textbooks and the director of a premier MRI training course taught around the world annually.

Dr. Chu has read a high volume of musculoskeletal MRI cases, including those involving some of the most cutting edge treatment techniques in sports medicine. Dr. Chu has also read high-profile cases on a regular basis including MRI exams for professional baseball players, professional ballet dancers, and Division I collegiate athletes.

Dr. Thorpe graduated from Logan College of Chiropractic in St. Louis, Missouri in 1995 where he received his Bachelor of Science (B.S.) in Human Biology and Doctor of Chiropractic (D.C.).  He has been board-certified in radiology since 1998.

He completed a full-time, three-year residency in diagnostic imaging at the National College of Chiropractic (now the National University of Health Sciences), which encompassed all aspects of imaging with a focus on musculoskeletal radiology. During the residency, Dr. Thorpe was responsible for film interpretation from outpatient clinics, National College’s Radiology Consultation Service, and The National MRI Center.  He was also an instructor for Radiology Learning Labs and Radiation Physics, Normal Anatomy, and Bone Pathology for the chiropractic curriculum.  He has also been an instructor for the radiology portion of the National Chiropractic Board Examination. His post-graduate training has continued with yearly educational symposiums and conferences across the country.

Dr. Heiser is a board-certified chiropractic radiologist, educator and author who received his Doctor of Chiropractic from National University of Health Sciences in Lombard, Illinois where he graduated Cum Laude and Salutatorian in 2004. He then practiced at a multi-disciplinary clinic in Charlotte, North Carolina for three years before going back to obtain his Master of Science degree in Diagnostic Imaging, graduating Summa Cum Laude in August 2010. 

For three years, Dr. Heiser held a residency in the Department of Diagnostic Imaging at his alma mater. He moved to Tampa Bay in 2010 to take a position as assistant professor teaching radiology and clinical practice at the National University of Health Sciences in St. Petersburg, Florida, and is also an adjunct faculty member at St. Petersburg College teaching anatomy to pre-professional students.

Christopher L. Smoley graduated Summa Cum Laude from Palmer Chiropractic College, Davenport Campus, earning his Doctor of Chiropractic in 2012. He was awarded the Salutatorian of his graduating class. In fall of 2012, Dr. Smoley moved to Dallas, Texas, to complete a residency in diagnostic imaging at Parker University. He successfully completed his residency in 2015 and successfully passed his board examinations, earning the Diplomat status with the American Chiropractic Board of Radiology (ACBR). Since this time Dr. Smoley has been a faculty member at Parker University, D’Youville College, Palmer College, and Northwestern Health Sciences University as well as the Executive Director of the Chiropractic Program at D’Youville College. Dr. Smoley was nominated and accepted appointment to the American Chiropractic Board of Radiology (ACBR), now on his second term and currently the Vice-President of the ACBR