Michael Stiefel, MD

Aaron Mammoser, MD, MS, is a Neuro-Oncologist specializing in the comprehensive care of people with primary tumors of the brain and spine, CNS lymphoma, brain and spine metastases, leptomeningeal dissemination of cancer (LMD). He also manages patients with neurologic complications of cancer, including headaches, seizures, neuropathy, and other complications from both the diagnosis itself and the subsequent treatment. Dr. Mammoser is a board-certified Neurologist, having completed his internship and residency at the University of Michigan. Following residency, he completed a fellowship in Neuro-Oncology at MD Anderson Cancer Center in Houston, TX. During fellowship, he had the privilege of training under multiple faculty that are currently leading some of the most prestigious Neuro-Oncology programs in the country. This invaluable experience afforded the opportunity during training to experience different perspectives of multiple thought leaders in the Neuro-Oncology field and their different approaches to addressing similar challenges in these complicated patients. After fellowship, he returned to the University of Michigan and practiced out of the University of Michigan Comprehensive Cancer Center for 5 ½ years. During his time on faculty, he received a MS in Clinical Research Design and Statistical Analysis through the University of Michigan School of Public Health. During his time at Michigan, he was involved in numerous clinical trials and other clinical research projects. He served as the PI or Co-I on many industry-sponsored, cooperative group, and investigator initiated Neuro-Oncology clinical trials. In 2016 he joined the LSU Neurosurgery Department of LSU Healthcare in New Orleans as an associate professor and held the prestigious Kelsey Bradly Favrot endowed chair in Neuro-Oncology. Tasked with developing a Brain Tumor Program, LSU was the first, and at times only, brain tumor program in the state of Louisiana to offer a robust portfolio of clinical trials for people with primary brain tumors and brain metastases, providing patients in Louisiana and the Gulf South region cutting edge Neuro-Oncology care. Dr. Mammoser joined the Piedmont Brain Tumor Center in April 2023. He brings with him a wealth of clinical experience, having been in clinic practice for 19+ years, over 15 years of which has been dedicated to brain tumor patients. He is a member of the American Society of Clinical Oncology and the Society for Neuro-Oncology and has served on numerous national committees for both ASCO and SNO. He has extensive experience in clinical research, having been the PI of over 16 clinical studies for people with brain tumors of all types, and maintains a special interest in clinical trials for treatment of primary and metastatic brain tumor and spine tumors. Instilled in him during training, and refined through years of practice, Dr. Mammoser prides himself on helping people maintain their quality of life and mitigate short and long-term effects of their diagnosis and its subsequent treatment while continuing to provide state of the art care.

Doug Farquhar, MD, MPH, is a board certified surgeon in otorhinolaryngology, head and neck surgery at Piedmont Atlanta Hospital. He has expertise in ear, nose, and throat diseases and conditions, with particular specialty in nose and sinus conditions, as well as and skull base tumors and cancers. Dr. Farquhar earned his medical degree at the University of Pennsylvania, while simultaneously obtaining a masters in public health. He completed his surgical internship and residency at the University of North Carolina, while also completing an NIH-funded research fellowship investigating head and neck cancers and sinus disease. During his residency, Dr. Farquhar honed particular expertise in sinus surgery and skull base surgery in an enfolded fellowship at the Savannah Sinus Institute. Dr. Farquhar also received advanced fellowship training in sinus surgery and skull base surgery Thomas Jefferson University Hospital. While at Thomas Jefferson, he helped to lead research into treatments for COVID-related smell loss. Dr. Farquhar has published over 50 peer-reviewed medical journal articles, as well as numerous other abstracts, textbook chapters, and has presented at numerous national conferences. Dr. Farquhar is a member of the North American Skull Base Society, the American Rhinologic Society, American Academy of Otolaryngology-Head and Neck Surgery, and the American Medical Association. In his spare time, Dr. Farquhar enjoys spending time with his wife and newborn son, hiking, and gardening. Dr. Farquhar welcomes new patients and accepts most insurance plans. He is committed to respectful and cutting-edge medical and surgical care.

Mena G. Kerolus, M.D. is a neurosurgeon with dual fellowship training in both neurological and orthopedic spine surgery. Dr. Kerolus is excited to join Atlanta Brain and Spine Care and Piedmont Hospital in providing specialized care for adults and children with scoliosis and spinal deformities. Dr. Kerolus' passion is to help all patients with spinal conditions return to enjoying life as safely as possible. Dr. Kerolus completed his neurosurgical training at Rush University Medical Center in Chicago where he focused on the treatment of cranial pathologies such as trigeminal neuralgia, brain and spinal cord tumors and minimally invasive spine surgery. He then completed the prestigious Adult and Pediatric Comprehensive Orthopedic Spine Fellowship at Columbia University/New York-Presbyterian with a focus on spinal deformity surgery. Having been trained in both neurosurgery and orthopedic spine surgery, Dr. Kerolus is able to individualize surgical treatment options for his patients. Dr. Kerolus' clinical focus includes the surgical treatment of patients with lumbar stenosis and spondylolisthesis, adolescent idiopathic scoliosis (AIS), cervical and thoracolumbar spinal deformities including adult idiopathic scoliosis, kyphosis, flat-back syndrome, chin-on-chest deformity, and patients who have a spinal deformity following prior spinal surgery. He also treats patients with cervical spine disease including cervical stenosis, disc herniation's, ossified posterior longitudinal ligament and myelopathy. Dr. Kerolus has additional expertise in cervical motion preservation surgery including cervical disc arthroplasty. Dr. Kerolus is committed to research and improving patient care. His research interests include minimally invasive spine techniques, robotic spine surgery and optimizing the postoperative recovery for spine patients in order to provide the best outcomes. He has published more than 30 peer-reviewed articles in national and international journals including the Journal of Neurosurgery: Spine and Neurosurgery. He regularly presents at national conferences and has been authored in numerous textbooks. He is a member of many neurosurgical organizations including the American Association of Neurologic Surgeons, Congress of Neurologic Surgeons, and the Joint Section on Disorders of the Spine and Peripheral Nerves. Dr. Kerolus' personal interests include swimming, tennis, hiking and traveling. He enjoys spending time with his wife and daughter. Dr. Kerolus is accepting new patients and welcomes most major insurance plans.