Ahmad Khaldi is a Neurosurgery specialist and a Radiologist in Marietta, Georgia. Dr. Khaldi is rated as an Experienced provider by MediFind in the treatment of Brain Stem Cancer. His top areas of expertise are Brain Aneurysm, Stroke, Posterior Fossa Tumor, Stent Placement, and Thrombectomy. Dr. Khaldi is currently accepting new patients.

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 Brain Stem Cancer. His top areas of expertise are Anal Cancer, Posterior Fossa Tumor, Primitive Neuroectodermal Tumor (PNET), and Pleuropulmonary Blastoma.

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

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

Theodore Johnson is a Pediatric Hematologist Oncology provider in Kennesaw, Georgia. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Brain Stem Cancer. His top areas of expertise are Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Medulloblastoma, and Brain Stem Cancer.

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

John Barrett is a Radiation Oncologist in Kennesaw, Georgia. Dr. Barrett is rated as an Experienced provider by MediFind in the treatment of Brain Stem Cancer. His top areas of expertise are Radiation Induced Meningioma, Meningioma, Trigeminal Neuralgia, and Familial Prostate Cancer. Dr. Barrett 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 Brain Stem Cancer. His top areas of expertise are Pituitary Tumor, Meningioma, Astrocytoma, Awake Craniotomy, and Laminectomy.

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

Gena Volas is a Hematologist and an Oncologist in Marietta, Georgia. Dr. Volas is rated as an Experienced provider by MediFind in the treatment of Brain Stem Cancer. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Astrocytoma, and Gliosarcoma. Dr. Volas is currently accepting new patients.

Marcus Gates is a Neurosurgery provider in Austell, Georgia. Dr. Gates is rated as an Experienced provider by MediFind in the treatment of Brain Stem Cancer. His top areas of expertise are Subdural Hematoma, Spinal Stenosis, Tarlov Cysts, Fractured Spine, and Laminectomy. Dr. Gates is currently accepting new patients.

Preethi Natarajan is a Neurologist in Hiram, Georgia. Dr. Natarajan is rated as an Experienced provider by MediFind in the treatment of Brain Stem Cancer. Her top areas of expertise are Dravet Syndrome, Cerebellar Degeneration, Memory Loss, and Essential Tremor. Dr. Natarajan is currently accepting new patients.

Andrew Middleton is a Neurosurgery provider in Hiram, Georgia. Dr. Middleton is rated as an Experienced provider by MediFind in the treatment of Brain Stem Cancer. His top areas of expertise are Pituitary Tumor, Subarachnoid Hemorrhage, Glioma, Primitive Neuroectodermal Tumor (PNET), and Awake Craniotomy. Dr. Middleton is currently accepting new patients.

William Tung is a Neurologist in Atlanta, Georgia. Dr. Tung is rated as an Experienced provider by MediFind in the treatment of Brain Stem Cancer. His top areas of expertise are Progressive Myoclonic Epilepsy, Lafora Disease, Unverricht-Lundborg Syndrome, and Dravet Syndrome. Dr. Tung is currently accepting new patients.

Matthew Morton is a Neurologist in Hiram, Georgia. Dr. Morton is rated as an Experienced provider by MediFind in the treatment of Brain Stem Cancer. His top areas of expertise are Seizures, Generalized Tonic-Clonic Seizure, Transient Ischemic Attack (TIA), and Stroke.