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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:

  • 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:

  • 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.

  • John Cappleman, MD, FACP

    Dr. John Cappleman is a board-certified internal medicine physician with Orlando Health Physician Associates. He has cared for patients in Orange County since opening a private practice in his hometown of Winter Garden in 1987.

  • Milagros Fernandez, MD

    Dr. Milagros Fernandez is a board-certified surgeon with Orlando Health Medical Group Surgery with expertise in:

  • Michael G. Hill, MD

    Dr. Michael Hill is a board-certified neurosurgeon with the Orlando Health Spine Center, a multidisciplinary collaboration between Orlando Health Jewett Orthopedic Institute and Orlando Health Neuroscience Institute. He specializes in complex spinal procedures of the cervical, thoracic and lumbar spine. Dr. Hill offers a full range of neurosurgical procedures, including:

  • Michael Gurian, MD

    Dr. Michael Gurian is a board-certified diagnostic radiologist with Orlando Health Medical Group Radiology. He uses medical imaging to look inside the body to diagnose illnesses and conditions and recommend treatment for his adult and pediatric patients.

  • M. Firas Sioufi, MD

    Dr. Firas Sioufi is a neurologist with the Orlando Health Neuroscience Institute with an emphasis on clinical neurophysiology. His specialties include:

  • Meenor Sagar, MD

    Dr. Meenor Sagar is a board-certified and fellowship-trained diagnostic radiologist with Orlando Health Medical Group Radiology. He has been providing radiology services to patients in Florida since 2001, and his skills include obtaining and interpreting:

  • Holly Saunders, MD

    Dr. Holly Saunders is a board-certified diagnostic radiologist with Orlando Health Medical Group Radiology. She has served patients in Central Florida for 25 years with expertise covering breast imaging and intervention and general radiology.