Dr. George J. Counelis

Cormac Maher is a Neurosurgery provider practicing medicine in Walnut Creek, California. Dr. Maher is highly rated in 65 conditions, according to our data. His clinical expertise encompasses Arachnoid Cysts, Chiari Malformation, Chiari Malformation Type 2, Posterior Fossa Decompression, and Laminectomy.

Dr. Manish Aghi is a neurosurgeon specializing in brain tumors at UCSF Medical Center. He cares for adult patients with a wide range of conditions, including astrocytomas and anaplastic astrocytomas, oligodendrogliomas, glioblastomas, meningiomas and pituitary adenomas. As principal investigator at the UCSF Brain Tumor Research Center, his interests include glioblastoma angiogenesis, mechanisms of glioblastoma resistance to anti-angiogenic therapy and experimental glioblastoma therapies such as cancer-killing viruses. Aghi earned his medical degree and a doctoral degree in neurosciences from Harvard Medical School. He completed a residency in neurosurgery at Massachusetts General Hospital. He is a member of the Society for Neuro-Oncology, American Association of Neurological Surgeons, Congress of Neurological Surgeons and Pituitary Network Association. Among his honors are the Preuss and Mahaley awards from the American Association of Neurological Surgeons, and the Ronald L. Bittner Award, Synthes Skull Base Award and Integra Foundation Award from the Congress of Neurological Surgeons. Dr. Aghi is highly rated in 41 conditions, according to our data. His clinical expertise encompasses Pituitary Tumor, Hypothalamic Tumor, Prolactinoma, Balloon Sinuplasty, and Awake Craniotomy. Dr. Aghi is board certified in American Board Of Neurological Surgery, Neurological Surgery. Dr. Aghi is currently accepting new patients.

Dr. Mitchel S. Berger is a nationally recognized expert in treating brain and spinal cord tumors as well as tumor-related epilepsy in adults and children. He also is a specialist in brain mapping techniques – used to identify and preserve areas of motor, sensory and language function during surgery – and an expert in using the Gamma Knife, a precise, noninvasive tool that applies radiation beams for tumor treatment. He is director of the Brain Tumor Center, director of the Center for Neurological Injury and Repair and co-director of the Adult Brain Tumor Surgery Program. Berger earned his bachelor's degree from Harvard College in 1975 and his medical degree from the University of Miami Miller School of Medicine in 1979. He completed an internship and a residency at UCSF, and was awarded a clinical fellowship in neuro-oncology by the American Cancer Society and a research fellowship by the Brain Tumor Research Center. He completed further fellowship training in neuro-oncology at UCSF and in pediatric neurosurgery at the Hospital for Sick Children, an affiliate of the University of Toronto. Berger was elected to the American Association of Neurological Surgeons' board of directors and appointed to the American Board of Neurological Surgery. Dr. Berger is highly rated in 23 conditions, according to our data. His clinical expertise encompasses Astrocytoma, Glioblastoma, Glioma, Awake Craniotomy, and Endovascular Embolization. Dr. Berger is board certified in Neurological Surgery and American Board Of Neurological Surgery, Neurological Surgery. Dr. Berger is currently accepting new patients.