Search Results

• 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:

• 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.

• Naren Ramakrishna, MD, PhD

  Dr. Naren Ramakrishna is a board-certified radiation oncologist with the pediatric brain tumor program at Orlando Health Arnold Palmer Hospital for Children and director of the pediatric and adult proton therapy programs at the Orlando Health Cancer Institute. He cares for children as well as adults, and his specialties include:

• Terrence Gross, MD

  Dr. Terrence Gross is a board-certified radiologist with Orlando Health Medical Group Radiology. He has cared for patients in Central Florida since 1993 and has been cited in Orlando Top Doctors from 2017 through 2023.

• Wei-Shen Chin, MD

  Dr. Wei-Shen Chin is a board-certified diagnostic radiologist with Orlando Health Medical Group Radiology. He has been treating patients in Central Florida for 31 years and during that time has served as chairman of the radiology department and chief of oncologic imaging at Orlando Health UF Health Cancer Center. His specialties include:

• Kathleen R. Schuemann, MD

  Kathleen R. Schuemann, MD, is a board-certified general surgeon with Orlando Health Medical Group Surgery. She performs minimally invasive, traditional surgical procedures and emergency general surgery, providing expert care to patients through all stages of the surgical process.

• Lauren M. Baldwin, PA-C

  Lauren Baldwin is a certified physician assistant (PA-C) with the Orlando Health Heart and Vascular Institute, where she helps care for cardiology and electrophysiology patients.  Her experience includes:

• 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:

• 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.

• Jennifer K. Logan, MD

  Dr. Jennifer Logan is a board-certified radiation oncologist with the Center for Advanced Radiation Therapy at the Orlando Health Cancer Institute. She specializes in radiation therapy to treat patients at all stages of cancer, with advanced training in treatments including proton therapy, MRI-guided adaptive radiation, HDR and LDR gynecologic brachytherapy, stereotactic body radiation therapy and radioembolization.