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Hachmann, M.S. Jacksonville, FL Area of Focus: Epilepsy surgery, Brain tumor surgery, Awake brain surgery, Craniotomy, Brain stereotactic radiosurgery, Pituitary tumor surgery, Minimally invasive surgery, Stereotactic radiosurgery, Endoscopic procedure, Minimally invasive neurosurgery, Transsphenoidal surgery, Gamma knife surgery, Radiation therapy, Spine tumor surgery, Keyhole craniotomy, Endoscopic skull base surgery, Laser ablation, Skull base surgery, Laser interstitial thermotherapy, Brain tumor, Spinal cord tumor, Brain metastasis, Meningioma, Epilepsy, Glioblastoma, Pituitary tumor, Acoustic neuroma, Glioma, Chondrosarcoma, Ependymoma, Craniopharyngioma, CSF leak, Astrocytoma, Chordoma, Oligodendroglioma, Brain cancer, Oligoastrocytoma, Skull base tumor, Schwannoma, Glioma-associated epilepsy, Brain tumor-associated epilepsy Rashmi B. Halker Singh, M.D. Phoenix, AZ Area of Focus: Concussion, Cluster headache, Migraine, Migraine with aura, Medication overuse headache, Chronic daily headache Julie E. Hammack, M.D. Jacksonville, FL Rochester, MN Area of Focus: Brain tumor, Spinal cord tumor Mike M. Harper, Jr., M.D. Rochester, MN Area of Focus: Electromyography, Peripheral neuropathy, Myasthenia gravis, Congenital myasthenic syndrome, Lambert-Eaton myasthenic syndrome Max A. Hawkes, M.D. Rochester, MN Matthew T. Hoerth, M.D. Phoenix, AZ Area of Focus: Epilepsy surgery, Epilepsy, Seizure , Autoimmune epilepsy Matt Hoffman, D.O., Ph.D. Rochester, MN Area of Focus: Electromyography, Evoked potential test, Primary lateral sclerosis, Amyotrophic lateral sclerosis, Myasthenia gravis Courtney M. Hrdlicka, M.D. Phoenix, AZ Area of Focus: Transcranial Doppler test, Telestroke, Carotid ultrasound, Stroke, Transient ischemic attack, Cerebrovascular disease, Carotid artery disease, Brain hemorrhage, Cerebral amyloid angiopathy, Ischemic stroke Josephine F. Huang, M.D. Jacksonville, FL Area of Focus: Stroke prevention, Telestroke, Stroke, Arteriovenous malformation, Brain aneurysm, Transient ischemic attack, Subarachnoid hemorrhage, Venous malformation, Carotid artery disease, Dural arteriovenous fistula, Brain AVM, Intracranial hematoma, Subdural hemorrhage, Spinal arteriovenous malformation, Cavernous malformations, Moyamoya disease, Hereditary hemorrhagic telangiectasia, Central nervous system vascular malformations, Intracranial venous malformation, Intracranial hemorrhage, Giant cell arteritis, Takayasu's arteritis, Brain hemorrhage, CADASIL, Cerebral microbleeds, Subdural hematoma, Antiphospholipid syndrome, Small vessel white matter disease, Vascular dementia, Binswanger's disease, Central nervous system arteritis, Arteritis, Cerebral amyloid angiopathy, Venous angioma, Basilar artery stenosis, Venous thrombosis, Basilar dissection, Vertebral artery blockage, Vertebral artery dissection, Vertebral artery stenosis, Vertebrobasilar insufficiency, Carotid bruit, Intracerebral hemorrhage, Amaurosis fugax, Vascular malformation, Ischemic stroke, Carotid dissection Thien Huynh, M.D. Jacksonville, FL Area of Focus: Nerve block, Spine procedure, Carotid angioplasty and stenting, Vertebroplasty, Endovascular treatment, Petrosal sinus sampling, Kyphoplasty, Cerebral angiogram, Intracranial stenting, Epidural steroid injection, Epidural blood patch, Spinal angiogram, Stroke, Arteriovenous malformation, Brain aneurysm, Compression fracture, Carotid artery disease, Dural arteriovenous fistula, Brain AVM, CSF leak, Spinal arteriovenous malformation, Vertebral artery stenosis, Arteriovenous fistula Medical Professionals Neurology & Neurosurgery Physicians