Leonel Kahn, MD is a board-certified radiation oncologist with Peachtree Radiation Oncology Services. He joined the group in 2018 and practices at Piedmont Kennesaw, Piedmont Atlanta Hospital, and Piedmont West. He practices general radiation oncology and has extensive experience with modern radiation oncology techniques (intensity modulated radiation therapy, image guided radiation therapy, and stereotactic body radiotherapy). He has a special interest in gastrointestinal, breast, and central nervous system malignancies. He has additional training in stereotactic radiosurgery (Gamma Knife and linear accelerator-based radiosurgery) for malignant and benign conditions.Dr. Kahn is an enthusiastic and committed physician. His skill sets are particularly suited to bridge the gap between the systematic processes of treatment planning and delivery versus the warmhearted nature of caring for cancer patients. He is a critical thinker and enjoys the process of assimilating scientific evidence with patient-specific factors to determine the best treatment decision. His experience has refined his ability to make decisive choices in the face of complex cancer care. He also establishes deep bonds with his patients, grounded in compassion and empathy. He thrives on the demanding nature of the profession in terms of learning and updating his knowledge base as the field constantly evolves. Importantly, radiation oncology is a field in which he feels endlessly honored and humbled to work.In addition to his clinical responsibilities, he is a voting member of the Piedmont Healthcare Institutional Review Board. He also has comprehensive training in clinical trial enrollment to national cooperative group protocols. He enjoys discussing potential clinical trials with patients, if it is in line with their wishes.He attended Tulane University in New Orleans, Louisiana, where he received a Bachelor of Science in Neuroscience (Summa Cum Laude). He then earned his medical degree from Oregon Health and Science University in Portland, Oregon. For his graduate medical education, he performed an internship at Legacy Health System in Portland, Oregon and completed a radiation oncology residency at the University of California, Davis Comprehensive Cancer Center in Sacramento, California. He served as chief radiation oncology resident during his final year. Dr. Kahn was born in Louisiana, but raised in Eugene, Oregon. Walking his corgi dog and cooking are the two ways he spends most of his weekends. He is also very happily married. Dr. Kahn is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Anal Cancer, Posterior Fossa Tumor, Primitive Neuroectodermal Tumor (PNET), and Pleuropulmonary Blastoma.

John Barrett is a Radiation Oncologist in Kennesaw, Georgia. Dr. Barrett is rated as a Distinguished provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Radiation Induced Meningioma, Meningioma, Trigeminal Neuralgia, and Familial Prostate Cancer. Dr. Barrett is currently accepting new patients.

Jui-en Hsu is a Neurosurgery provider in Marietta, Georgia. Dr. Hsu is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Subdural Hematoma, Chronic Subdural Hematoma, Delirium, Awake Craniotomy, and Gastrostomy. Dr. Hsu is currently accepting new patients.

Phillip Parry is a Neurosurgery provider in Marietta, Georgia. Dr. Parry is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Spinal Stenosis, Cervical Myelopathy, Subarachnoid Hemorrhage, Subdural Hematoma, and Laminectomy. Dr. Parry is currently accepting new patients.

William Benedict is a Neurosurgery provider in Marietta, Georgia. Dr. Benedict is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Pituitary Tumor, Meningioma, Astrocytoma, Awake Craniotomy, and Laminectomy.

Philip Louden is a Radiologist in Marietta, Georgia. Dr. Louden is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are CAPOS Syndrome, Subarachnoid Hemorrhage, Vertigo, and Meningioma. Dr. Louden is currently accepting new patients.

Ahmad Khaldi is a Radiologist in Marietta, Georgia. Dr. Khaldi is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Brain Aneurysm, Stroke, Posterior Fossa Tumor, Stent Placement, and Thrombectomy.

Ribhu Jha is a Neurosurgery provider in Atlanta, Georgia. Dr. Jha is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Meningioma, Subdural Hematoma, Subarachnoid Hemorrhage, Laminectomy, and Awake Craniotomy. Dr. Jha is currently accepting new patients.

Christopher Deibert is a Neurosurgery provider in Atlanta, Georgia. Dr. Deibert is rated as an Advanced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Meningioma, Hydrocephalus, Schwannoma, Gamma Knife Radiosurgery, and Awake Craniotomy.

John Henson is a Hematologist Oncology specialist and a Hematologist in Kennesaw, Georgia. Dr. Henson is rated as an Advanced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Brain Tumor, Astrocytoma, Glioma, and Neurofibromatosis.

Lawrence Seiden is a Neurologist in Atlanta, Georgia. Dr. Seiden is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Photosensitive Epilepsy, Memory Loss, Autosomal Dominant Partial Epilepsy with Auditory Features, and Seizures. Dr. Seiden is currently accepting new patients.

Paige Estep is a Radiation Oncologist in Atlanta, Georgia. Dr. Estep is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. Her top areas of expertise are Acoustic Neuroma, Prostate Cancer, Familial Prostate Cancer, and Schwannoma.

Roger Frankel is a Neurosurgery provider in Atlanta, Georgia. Dr. Frankel is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Cervical Myelopathy, Cervical Spondylosis, Spinal Stenosis, Microdiscectomy, and Cervical Disc Surgery. Dr. Frankel is currently accepting new patients.

Aaron Mammoser is a Neurologist and a Neurosurgery provider in Atlanta, Georgia. Dr. Mammoser is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Glioma, Astrocytoma, Glioblastoma, and Brain Tumor. Dr. Mammoser is currently accepting new patients.

Dr. Stiefel is a fellowship trained, board certified Neurosurgeon specializing in Cerebrovascular and Endovascular Neurosurgery and Neurosurgical Oncology. Dr. Stiefel completed his Neurosurgery training at the University of Pennsylvania where he gained extensive experience in cerebrovascular diseases and the treatment of brain tumors at the University of Pennsylvania's Abramson Cancer Center. Following residency, Dr. Stiefel completed a fellowship in Endovascular Neurosurgery at the Barrow Neurological Institute in Phoenix, Arizona. Dr. Stiefel received additional specialty training in stereotactic radiosurgery utilizing both Cyberknife and Gamma Knife techniques for the treatment of brain tumors and vascular diseases. Dr. Stiefel's training enables him to treat vascular disorders and brain tumors with cranial and microsurgery, endovascular neurosurgery, as well as stereotactic radiosurgery.Dr. Stiefel specializes in the treatment of disorders of the blood vessels of the brain, neck and spine such as brain aneurysms, arteriovenous malformations, arteriovenous fistulas, carotid stenosis, as well as primary brain tumors, metastatic brain tumors, and meningiomas. He performs traditional cranial neurosurgery for brain tumors, aneurysms, AVMs and cavernous malformations as well as endovascular techniques such as aneurysm coiling, stenting and flow diversion, acute stroke treatment, carotid artery stenting, transverse sinus stenting, as well as embolization of arteriovenous malformations, arteriovenous fistulas, brain tumors, head and neck tumors and subdural hematomas.Dr. Stiefel is a senior member of the Society of NeuroInterventional Surgery and was awarded Subspecialty Certification in NeuroEndovascular Surgery by The Society of Neurological Surgeons Committee on Advanced Subspecialty Training.Dr. Stiefel is accepting new patients and welcomes most major insurance plans. Dr. Stiefel is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Brain Aneurysm, Subarachnoid Hemorrhage, Stroke, Craniectomy, and Thrombectomy.

Samuel Macomson is a Neurosurgery provider in Kennesaw, Georgia. Dr. Macomson is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Subdural Hematoma, Hydrocephalus, Chronic Subdural Hematoma, and Hydrocephalus Autosomal Recessive. Dr. Macomson is currently accepting new patients.

Gerald Wallace is a Neurologist in Kennesaw, Georgia. Dr. Wallace has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Brain Tumor, Glioblastoma, Astrocytoma, and Glioma. Dr. Wallace is currently accepting new patients.

Ramon Figueroa is a Radiologist in Kennesaw, Georgia. Dr. Figueroa is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Brain Herniation, Meningioma, Subarachnoid Hemorrhage, and Cerebral Arteriovenous Malformation. Dr. Figueroa is currently accepting new patients.

Olusola Obayomi-Davies is a Radiation Oncologist in Kennesaw, Georgia. Dr. Obayomi-Davies is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Posterior Fossa Tumor, Lung Cancer, Astrocytoma, and Pleuropulmonary Blastoma. Dr. Obayomi-Davies is currently accepting new patients.

David Villasana is a Neurologist and a Neuroradiologist in Kennesaw, Georgia. Dr. Villasana is rated as an Experienced provider by MediFind in the treatment of Radiation Induced Meningioma. His top areas of expertise are Cerebellar Degeneration, Stroke, Migraine, and Alzheimer's Disease. Dr. Villasana is currently accepting new patients.