Dr. Little specializes in treating brain tumors (e.g., meningioma, glioma, etc) and pituitary tumors (e.g. acromegaly, Cushings disease, pituitary adenoma), trigeminal neuralgia, and Chiari malformation. He is the Surgical Director of the Barrow Pituitary Center and the Director of the Barrow Skull Base Program. He works with an experienced team of doctors and nurses to provide you with a treatment plan tailored for your concerns. He is dedicated to providing exceptional customer service. When selecting a neurosurgeon, experience matters; Dr. Little performs more pituitary surgery than any surgeon in the Southwest. Dr. Little believes in patient education and empowering his patients to be partners in directing their treatment. Dr. Little emphasizes minimally invasive surgical techniques whenever possible.Dr. Little also directs an impactful clinical research program that is laser-focused on helping patients and developing new treatments for brain tumors. He has received numerous awards for his research.At BBS, we put our patients first.  We are committed to treating our patients with compassion and to providing innovative and sound medical options for the treatment of our patient's neurological conditions.  As a patient of BBS, your health and well-being are important to us.  The neurosurgeons, physiatrists, hospital staff, neurological institute, and other members of our multidisciplinary team work together with one goal in mind - helping you get well. Dr. Little is rated as an Elite provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Pituitary Tumor, Hypothalamic Tumor, Brain Tumor, Endoscopic Transnasal Transsphenoidal Surgery, and Balloon Sinuplasty.

Monica C. Rodriguez, MD, FACE, is a Faculty Physician with Dignity Health Medical Group in the department of Internal Medicine at St. Joseph’s Hospital and Medical Center.Dr. Rodriquez earned her bachelor of medicine, bachelor of surgery, and doctor of medicine degrees from Universidad Catolica de Santiago de Guayaquil in Guayaquil, Ecuador, where she was recognized as a First Place Medical Student. She completed a residency in internal medicine at the University of Illinois at Chicago Christ Medical Center in Oak Lawn, Illinois. She went on to complete a fellowship in endocrinology and metabolism at the University of Arkansas for Medical Sciences in Little Rock, Arkansas.My mission, along with the Dignity Health Medical Group, is to focus on innovative clinical care and the pursuit of excellence through scholarly activities. This allows me to provide patients with state-of-the-art patient services and exceptional patient experiences. Dr. Rodriguez is rated as a Distinguished provider by MediFind in the treatment of Pituitary Tumor. Her top areas of expertise are Prolactinoma, Pituitary Tumor, Addison's Disease, and Secondary Adrenal Insufficiency.

Kevin C. J. Yuen, MD, is a neuroendocrinologist and Medical Director of the Pituitary Program at Barrow Neurological Institute, specializing in the management of hypothalamic-pituitary disorders. He is double board-certified in Endocrinology and Internal Medicine by the American Board of Internal Medicine, and General Medical Council in the UK.Dr. Yuen's expertise includes clinical and research interest in the management of pituitary and adrenal disorders, particularly adults with growth hormone deficiency, acromegaly, hypogonadism, Cushing's disease and adrenal insufficiency.  He also has a particular interest in neuroendocrine disorders in young adult cancer survivors and adults with traumatic brain injury.  His research is devoted to new diagnostics and treatments of pituitary disorders.Dr. Yuen completed his medical degree from the University of Sheffield. He completed his residency in internal medicine at the University of Southampton, UK, clinical and research fellowship in Endocrinology at the University of Cambridge, UK, and clinical and research instructor at Oregon Health and Science University, Portland OR. Dr. Yuen is active in international collaborative studies and has published numerous peer-reviewed medical articles.My mission, along with the Dignity Health Medical Group, is to focus on innovative clinical care and the pursuit of excellence through scholarly activities. This allows me to provide patients with state-of-the-art patient services and exceptional patient experiences. Dr. Yuen is rated as a Distinguished provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Pituitary Tumor, Prolactinoma, Cushing's disease, and Exogenous Cushing's syndrome.

Christopher Graffeo is a Neurologist and a Neurosurgery provider in Phoenix, Arizona. Dr. Graffeo is rated as a Distinguished provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Schwannoma, Subarachnoid Hemorrhage, Acoustic Neuroma, Microvascular Decompression, and Awake Craniotomy.

My mission, along with the Dignity Health Medical Group, is to focus on innovative clinical care and the pursuit of excellence through scholarly activities. This allows me to provide patients with state-of-the-art patient services and exceptional patient experiences. Dr. Buddhdev is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. Her top areas of expertise are Low Blood Sugar, Triple A Syndrome, Addison's Disease, and Secondary Adrenal Insufficiency.

My mission, along with the Dignity Health Medical Group, is to focus on innovative clinical care and the pursuit of excellence through scholarly activities. This allows me to provide patients with state-of-the-art patient services and exceptional patient experiences. Dr. Barani is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Meningioma, Glioblastoma, Astrocytoma, Brain Tumor, and Gamma Knife Radiosurgery.

Griffin Santarelli is an Otolaryngologist in Phoenix, Arizona. Dr. Santarelli is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Ozena, Nonallergic Rhinopathy, Palatal Myoclonus, Endoscopic Transnasal Transsphenoidal Surgery, and Laryngectomy. Dr. Santarelli is currently accepting new patients.

John Milligan is an Otolaryngologist in Phoenix, Arizona. Dr. Milligan is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Nasal Polyps, Pituitary Tumor, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Endoscopic Transnasal Transsphenoidal Surgery, and Endoscopy. Dr. Milligan is currently accepting new patients.

My mission, along with the Dignity Health Medical Group, is to focus on innovative clinical care and the pursuit of excellence through scholarly activities. This allows me to provide patients with state-of-the-art patient services and exceptional patient. Dr. Diaz is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Posterior Fossa Tumor, Primitive Neuroectodermal Tumor (PNET), Metastatic Brain Tumor, Dysembryoplastic Neuroepithelial Tumors (DNET), and Rhizotomy.

Brian Rizzo is a Plastic Surgeon and an Otolaryngologist in Phoenix, Arizona. Dr. Rizzo is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Sinusitis, Grass Allergy, Empyema, and Sialadenitis. Dr. Rizzo is currently accepting new patients.

David Stidd is a General Surgeon and a Neurosurgery provider in Phoenix, Arizona. Dr. Stidd is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Apoplexy, Subdural Hematoma, Brain Aneurysm, Stent Placement, and Transmyocardial Revascularization. Dr. Stidd is currently accepting new patients.

Ryan Rehl is an Otolaryngologist in Phoenix, Arizona. Dr. Rehl is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Nasal Polyps, Sinusitis, Ethmoiditis, and Endoscopic Transnasal Transsphenoidal Surgery. Dr. Rehl is currently accepting new patients.

Timothy Haegen is an Otolaryngologist in Phoenix, Arizona. Dr. Haegen is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, Empyema, Endoscopic Transnasal Transsphenoidal Surgery, and Myringotomy. Dr. Haegen is currently accepting new patients.

Sathya Jyothinagaram is an Endocrinologist in Phoenix, Arizona. Dr. Jyothinagaram is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Type 1 Diabetes (T1D), Diabetic Neuropathy, Acute Adrenal Crisis, and Addison's Disease.

Laura Knecht is an Endocrinologist in Phoenix, Arizona. Dr. Knecht is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. Her top areas of expertise are Pituitary Tumor, Hypothalamic Tumor, Sheehan Syndrome, Hypopituitarism, and Endoscopic Transnasal Transsphenoidal Surgery.

Joan Bailey is an Endocrinologist in Phoenix, Arizona. Dr. Bailey is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. Her top areas of expertise are Type 1 Diabetes (T1D), Hashimoto Thyroiditis, Thyroid Cancer, and Follicular Thyroid Cancer. Dr. Bailey is currently accepting new patients.

William Kennedy is a Radiologist and a Radiation Oncologist in Phoenix, Arizona. Dr. Kennedy has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Glioblastoma, Astrocytoma, Glioma, and Brain Tumor. Dr. Kennedy is currently accepting new patients.

Frank Barranco is a Neurosurgery provider in Phoenix, Arizona. Dr. Barranco is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Congenital Cardiovascular Shunt, Normal Pressure Hydrocephalus, Hydrocephalus, Laminectomy, and Awake Craniotomy.

Michael Lawton is a Neurologist and a Neurosurgery provider in Phoenix, Arizona. Dr. Lawton is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Arteriovenous Malformation, Cerebral Arteriovenous Malformation, Brain Aneurysm, Extracranial-Intracranial Bypass Surgery, and Cerebral Artery Bypass Surgery. Dr. Lawton is currently accepting new patients.

Garineh Ovanessoff is an Endocrinologist in Phoenix, Arizona. Dr. Ovanessoff is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. Her top areas of expertise are Prolactinoma, Pituitary Tumor, Hypothyroidism, and Triple A Syndrome.