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  • Luis Isaac Garcia, MD

    Dr. Luis Garcia is a clinical cardiac electrophysiologist with the Orlando Health Heart and Vascular Institute. He specializes in the evaluation and treatment of heart rhythm disorders, cardiac ablation, and cardiac device implantation and management. His expertise includes:

  • 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:

  • 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.

  • 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.

  • Milagros Fernandez, MD

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

  • 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:

  • Mellisa Powell, APRN

    Mellisa Powell is a certified family nurse practitioner (FNP-C) with Orlando Health Medical Group Urology. She has been a nurse at several Orlando Health hospitals since 2008. She joined Orlando Health Medical Group Urology PUR Clinic in 2018 when she earned her family nurse practitioner certification.

  • 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:

  • Harmanjit Sidhu, MD

    Dr. Harmanjit Sidhu is a board-certified radiologist with Orlando Health Medical Group Radiology, specializing in diagnostic radiology and neuroradiology. He has cared for patients in Central Florida since 2007 and believes every patient deserves the best he can possibly offer.