Search Results
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Mark Arthur Vollenweider, MD
Mark Vollenweider, MD is a board-certified interventional pulmonologist with the Rod Taylor Thoracic Care Center at Orlando Health Cancer Institute, where he also is part of the lung cancer and lung nodule screening program. As a leader in interventional pulmonology, Dr. Vollenweider is skilled at treating patients with conditions ranging from cancer to lung nodules and at using a variety of minimally invasive procedures and diagnostic techniques. He is expertly trained on both the Ion and robotic bronchoscopy platforms that help diagnose and treat lung issues for optimal results. These advanced robotic systems support earlier detection of lung cancer by more easily accessing the disease location and more accurately determining lesion size.
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Mary Romain, APRN
Mary Romain is a board-certified family nurse practitioner (FNP-BC) with Orlando Health Medical Group Urology. She has been a nurse practitioner since 2010 and with Orlando Health Medical Group Urology PUR Clinic since 2015.
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Marc Johannsen, DO
Dr. Marc Johannsen is a diagnostic radiologist with Orlando Health Medical Group Radiology. He spent a decade providing radiology services for the U.S. Navy, and his skills include obtaining and interpreting:
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Marshall Chandler Cress, MD
Neurological Surgery
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Matthew W. Lube, MD
Matthew Lube, MD, FACS, is a general surgeon with Orlando Health Medical Group Surgery. He is board certified in general surgery with added qualifications in surgical critical care. His clinical interests include emergency general surgery and caring for the critically injured in the intensive care setting.
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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:
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Stephen Gregory Hersperger, MD
Stephen G. Hersperger, MD, is a surgeon with Orlando Health who is board certified in general surgery and surgical critical care.
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Jonathan Rodriguez-Ortiz, MD
Jonathan Rodriguez-Ortiz, MD, is board-certified in cardiovascular disease with Orlando Health Heart & Vascular Institute. He also has Level III training in multimodality cardiovascular imaging (MRI) and computed tomography (CT). He works with referring physicians to identify the most beneficial diagnostic imaging for his patients.
Dr. Rodriguez-Ortiz earned his medical degree from the University of Puerto Rico School of Medicine in San Juan and a bachelor’s of science degree in biology from the University of Puerto Rico in Mayaguez. He completed his residency in internal medicine and fellowship in adult cardiovascular disease at the University of Puerto Rico School of Medicine. He then completed a fellowship in advanced cardiovascular multimodality imaging at the University of California San Francisco.
He also is a diplomate of the American Board of Internal Medicine and the United States Licensing Exam and is a registered physician in vascular interpretation.
Dr. Rodriguez-Ortiz is a member of the American College of Cardiology, American Society of Echocardiography, American Society of Nuclear Medicine, Society of Cardiovascular Magnetic Resonance, Society of Cardiovascular Computed Tomography, and Alpha Omega Alpha Medical Honor Society. He has published in peer-reviewed journals and is fluent in both English and Spanish. -
Joseph Abdellatif Ibrahim, MD
Dr. Joseph Ibrahim is the director of surgery with Orlando Health Medical Group Surgery and a surgeon with the Orlando Health Complex Hernia Center. He is board certified in general surgery and surgical critical care, and his expertise includes:
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Joseph Foss, MD
Dr. Joseph Foss is a board-certified radiologist with Orlando Health Medical Group Radiology serving Central Florida patients for more than 20 years. His specialties are nuclear medicine and pediatric radiology. Dr. Foss provides diagnostic imaging including:
