Amir Hamrahian, M.D. is an endocrinologist with specialized experience in the treatment of adrenal and pituitary disorders. Dr. Hamrahian is located in Baltimore, Maryland. He received his medical degree from Hacettepe University in Ankara, Turkey, did his internal medicine residency at the University of North Dakota and completed his endocrinology fellowship at the Case Western Reserve University. Dr. Hamrahian is an Associate Professor of Medicine and has published more than 80 peer-reviewed articles, and has served as a co-author in developing guidelines for adrenal and pituitary disorders. He has presented at national and international conferences and has served as the principal investigator for a number of clinical research studies. Accolades received include Teacher of The Year award and Human Subject Research Annual Professional Excellence award in 2003 and 2011, respectively. Dr. Hamrahian has held roles including the chief of endocrinology in Abu Dhabi. Dr. Hamrahian is a co-director of the Adrenal Center. Dr. Hamrahian is rated as an Elite provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Cushing's disease, Pituitary Tumor, Cushing's syndrome, Ectopic Cushing's syndrome, and Gamma Knife Radiosurgery.

Dr. Gary Gallia's specialty is endoscopic endonasal surgical approaches to skull base pathologies with a focus on neurosurgical oncology. He utilizes the latest techniques in preoperative imaging, computer-guided surgical navigation, intraoperative monitoring, and minimally invasive and Neuroendoscopy approaches in the management of patients with benign and malignant brain tumors, metastatic tumors to the brain, skull base neoplasms, and pituitary tumors. He is the director of the Neurosurgery Skull Base Center and surgical director of the Johns Hopkins Pituitary Center. Dr. Gary Gallia graduated summa cum laude from the Gibbons Scholar MD/PhD program at Jefferson Medical College and Thomas Jefferson University. He completed his general surgery internship at The Johns Hopkins Hospital where he was awarded surgical intern of the year. He then completed his neurological surgery residency and a postdoctoral fellowship in neuro-oncology at The Johns Hopkins Hospital. Following residency, he completed a minimally invasive and endoscopic neurosurgery fellowship with Dr. Charles Teo at the Prince of Wales Private Hospital and Sydney Children's Hospital in Sydney, Australia. Dr. Gallia is rated as an Elite provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Olfactory Neuroblastoma, Chordoma, Pituitary Tumor, Endoscopic Transnasal Transsphenoidal Surgery, and Awake Craniotomy.

Nicholas Rowan is a sinus and skull base surgeon who helps patients with conditions such as deviated septum, nasal congestion, nasal obstruction, sinus pressure and chronic sinusitis, as well as complex issues like loss of smell, sinus cancers, cerebrospinal fluid (CSF) leaks and tumors that grow near the brain. He frequently performs nasal polyp surgery and endoscopic sinus procedures, using minimally invasive approaches to help patients recover quickly and breathe more easily. For tumors of the skull base or brain, he works closely with neurosurgeons and cancer specialists to deliver coordinated, comprehensive care. Dr. Rowan’s research is focused on improving patients’ quality of life and long-term outcomes after sinus and skull base surgery. A major part of his work involves studying the sense of smell — not just how to restore it, but how it reflects overall health. He explores how smell loss may be an early warning sign of unhealthy aging, frailty or cognitive decline. Through this work, he aims to better understand the biological link between the nose and brain, and what it can reveal about a person’s health trajectory. He works closely with biomedical engineers to develop novel diagnostic and therapeutic technologies, and he is the principal investigator of multiple ongoing clinical trials that are testing new treatments for chronic sinusitis and nasal polyps. A frequent speaker at national and international conferences, Dr. Rowan shares insights from his innovative research and surgical experience. He leads courses and delivers lectures on advanced sinus and skull base techniques, smell loss and the evolving science behind how nasal health connects to overall well-being. Dr. Rowan is rated as a Distinguished provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Sinusitis, Anosmia, Pituitary Tumor, Endoscopy, and Septoplasty.

Dr. Masaru Ishii graduated from University of Pennsylvania Perelman School of Medicine. His clinical specialties include surgical management of nasal airway obstruction, chronic sinusitis and sinonasal tumors, as well as endoscopic surgery for skull base tumors. Dr. Ishii is rated as a Distinguished provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Cerebrospinal Fluid Leak, Prolactinoma, Olfactory Neuroblastoma, Septoplasty, and Endoscopic Transnasal Transsphenoidal Surgery.

Roberto Salvatori is an Endocrinologist in Baltimore, Maryland. Dr. Salvatori is rated as an Elite provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Growth Hormone Deficiency (GHD), Hypopituitarism, Pituitary Tumor, Cushing's syndrome, and Hormone Replacement Therapy (HRT).

Chetan Bettegowda is the director of the Johns Hopkins Department of Neurosurgery. He offers comprehensive treatments for adult patients with benign and malignant brain tumors, specializing in the treatment of patients with primary brain tumors such as gliomas, meningiomas and pituitary tumors. He performs both open surgery and stereotactic radiosurgery for patients with metastatic tumors to the brain, and also provides stereotactic radiosurgery for other neurological disorders, including spinal tumors, trigeminal neuralgia and skull-base tumors. Dr. Bettegowda is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Trigeminal Neuralgia, Astrocytoma, Glioblastoma, Rhizotomy, and Microvascular Decompression.

Dr. Daisy Duan is an Assistant Professor of Medicine. She practices as an endocrinologist with a focus on diabetes and obesity. Dr. Duan sees patients at Johns Hopkins Bayview Endocrinology Clinic and The Johns Hopkins Healthful Eating, Activity & Weight Program at Greenspring Station. She enjoys partnering with her patients to individually tailor effective treatment regimens to improve metabolic health. In addition, Dr. Duan is actively engaged in NIH-funded clinical and translational research related to obesity and diabetes. Her current research interests include the impact of meal timing on substrate metabolism and leveraging the tools of circadian biology to combat obesity and diabetes. Dr. Duan is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. Her top areas of expertise are Obesity, Cushing's syndrome due to Adrenal Tumor, Type 2 Diabetes (T2D), and Craniopharyngioma.

Roberto Rey Dios is a Neurosurgery provider in Baltimore, Maryland. Dr. Rey Dios is rated as a Distinguished provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Pituitary Tumor, Subdural Hematoma, Primitive Neuroectodermal Tumor (PNET), Balloon Sinuplasty, and Awake Craniotomy.

Mark Corriere is an Endocrinologist in Towson, Maryland. Dr. Corriere is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Thyroid Nodule, and Hypothyroidism.

Dr. Aniket Sidhaye is an assistant professor of medicine and pediatrics at the Johns Hopkins University School of Medicine. His specific clinical interests are cystic fibrosis related endocrine disorders, type 1 diabetes mellitus particularly emerging adults with diabetes, thyroid disorders, metabolic bone disease, and management of hospitalized persons with diabetes. Dr. Sidhaye earned his M.D. from Northwestern University’s Feinberg School of Medicine. He completed his residency at Northwestern University. He performed a research fellowship in endocrinology and metabolism at Northwestern University and also performed fellowships in endocrinology and metabolism at Johns Hopkins. His research interests include CF related diabetes, bone health of CF patients after lung transplant, and the care of emerging adults with type 1 diabetes. In addition, he is a committed educator serving as an advisor in the medical school, co-director for the endocrine course for pre-clinical medical students, and program director for our endocrine fellowship. Dr. Sidhaye is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Type B Insulin Resistance Syndrome, Type 1 Diabetes (T1D), Type 2 Diabetes (T2D), and Paget's Disease of Bone.

Dr. Gary Wand is a professor of medicine at the Johns Hopkins University School of Medicine. He holds a joint appointment in psychiatry and behavioral sciences. His areas of clinical expertise include endocrinology, neuroendocrine disorders and pituitary disorders. Dr. Wand serves as the director of the fellowship program and the director of the endocrine training program at the Johns Hopkins School of Medicine. Dr. Wand earned his M.D. and completed his residency at the George Washington University School of Medicine. He performed a fellowship in endocrinology and metabolism at Johns Hopkins. His research interests include the neurobiology of substance abuse and the physiogenetics of the stress response. Dr. Wand has been recognized in “Best Doctors in America” and is a recipient of the National Institutes of Health Merit Award. Dr. Wand is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Pituitary Tumor, Prolactinoma, Cushing's syndrome, and Hypogonadotropic Hypogonadism.

Henry Brem is a Neurosurgery provider in Baltimore, Maryland. Dr. Brem is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Gliosarcoma, Glioma, Brain Tumor, Endoscopic Transnasal Transsphenoidal Surgery, and Osteotomy.

Kashif Munir is an Endocrinologist in Baltimore, Maryland. Dr. Munir is rated as a Distinguished provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Type 2 Diabetes (T2D), Thyroid Cancer, Thyroid Storm, Pituitary Tumor, and Thyroidectomy.

Dr. Debraj “Raj” Mukherjee’s clinical focus is the treatment of patients with primary and metastatic brain lesions. His clinical work and research emphasize the development of individual treatment plans that optimize survival and quality of life in all patients. After receiving his medical degree from Dartmouth Medical School, Dr. Mukherjee was recruited to Johns Hopkins, where he studied epidemiology, biostatistics and clinical design at the Johns Hopkins Bloomberg School of Public Health and served as Director of the Neuro-Oncology Surgical Outcomes Laboratory in the Department of Neurosurgery. Dr. Mukherjee completed neurosurgery residency at Cedars-Sinai Medical Center, where he was named a Robert Wood Johnson Foundation Health & Society Scholar. He completed an open and endoscopic skull base fellowship with the Center for Skull Base Surgery at University of Pittsburgh Medical Center, where he was a Copeland Scholar. Throughout his career, Dr. Mukherjee has led patient-centered research pursuits in neuro-oncology including development of a national registry for patients with brain tumors, creation of disease-specific quality of life instruments for patients with skull base tumors, and development of innovative clinical trials in neuro-oncology. He leads the Meningioma, Brain Metastasis, and Neurosurgical Oncology centers at Johns Hopkins Medicine, and he serves as Assistant Residency Program Director for one of the largest neurosurgical training programs in the country. His work has been supported by the American Medical Association, Glioblastoma Foundation, National Institute on Aging, and National Cancer Institute. Dr. Mukherjee can be contacted at drraj@jhmi.edu. Dr. Mukherjee is rated as a Distinguished provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Meningioma, Pituitary Tumor, Brain Tumor, Awake Craniotomy, and Laminectomy.

Marisha Newton is an Endocrinologist in Baltimore, Maryland. Dr. Newton is rated as an Advanced provider by MediFind in the treatment of Pituitary Tumor. Her top areas of expertise are Idiopathic Hypercalciuria, Hypercalcemia, Familial Hypocalciuric Hypercalcemia Type 1, and Milk-Alkali Syndrome.

William Simonds is an Endocrinologist in Baltimore, Maryland. Dr. Simonds is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Multiple Endocrine Neoplasia Type 1, Multiple Endocrine Neoplasia, Parathyroid Adenoma, Parathyroidectomy, and Thymectomy.

Dr. Jon Weingart focuses on the surgical treatment of brain tumors including benign and malignant tumors. Dr. Weingart also specializes in spinal disorders, such as cervical and lumbar disc disease, as well as other congenital and developmental abnormalities such as tethered spinal cord, spina bifida and chiari malformation. Dr. Weingart is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Glioblastoma, Astrocytoma, Glioma, Awake Craniotomy, and Osteotomy.

Dr. Kristin Redmond specializes in the treatment of brain tumors and leads the spinal radiosurgery program. She received her undergraduate degree from Princeton University where she graduated magna cum laude with a focus in neuro-psychology. She attended medical school and obtained a Masters in Public Health in health systems management at Tulane University where she was elected to the Alpha Omega Alpha Honor Medical Society as well as the Gold Humanism in Medicine Honor Society. Dr. Redmonds research interest focuses on the development of novel radiation techniques and therapeutic agents to treat brain and spine tumors in order to increase tumor control and overall survival. In addition, she is working to develop innovative approaches to try to limit long term toxicities and minimize neuro-cognitive dysfunction following treatment for tumors of the central nervous system. Dr. Redmond believes in a holistic approach to medicine and feels that the social and psychological components of patient care are equally important to traditional therapies. She works closely with a team of specialists to support patients and families during their cancer journey. Make A Gift. Dr. Redmond is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. Her top areas of expertise are Chordoma, Brain Tumor, Astrocytoma, and Metastatic Brain Tumor.

Dr. Kleinberg specializes in the radiation treatments, including stereotactic radiosurgery, of brain and spinal tumors. Areas of research include both tumors arising in the central nervous system and tumors metastasizing from other locations. He also specializes in the treatment of esophageal tumors and has led national clinical trials in both therapy of brain tumors as well as esophageal cancer. Dr. Kleinberg has been recently named in the US News and World Report list of top 1% of doctors in his specialty. He is the co-chair of the Eastern Cooperative Oncology Group Brain Tumor Working Group, Vice-Chair of the NCI Cooperative Group Steering Committee for Esophageal and Gastric Tumors, and is a member of the NCI Cooperative Group Steering Committee for Gastrointestinal Tumors. He is also on the American College of Radiation Oncology Neurologic Cancer Practice Accreditation Team. Make A Gift. Dr. Kleinberg is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Glioblastoma, Astrocytoma, Brain Tumor, Hepato-Pancreato-Biliary Surgery, and Gamma Knife Radiosurgery.

Dr. Mathioudakis, an endocrinologist and researcher, has a strong focus on diabetes management and patient care, recognized through awards like the Baltimore Top Doc. He has contributed significantly to diabetes research, authoring over 150 publications and participating in the development of consensus guidelines in the field. His studies have offered valuable insights into using health informatics for diabetes prevention and management. After graduating from the Johns Hopkins University School of Medicine and completing his training in Internal Medicine and a fellowship in Endocrinology, Diabetes, & Metabolism, Dr. Mathioudakis joined the faculty in the Division of Endocrinology, Diabetes & Metabolism in 2012. He earned a Master of Health Science in clinical investigation in 2015 and was the Clinical Director of the Division of Endocrinology from 2016 to 2021. Currently, he co-directs the Baltimore Metropolitan Diabetes Regional Partnership, focusing on improving access to diabetes prevention and management programs. As a physician-scientist, Dr. Mathioudakis leads multiple research studies funded by the NIH, private philanthropic organizations (Helmsley Charitable Trust), non-profit organizations (Breakthrough T1D), and industry. His research focuses on the effectiveness of automated diabetes prevention programs and strategies to reduce racial disparities in diabetes technology access. He also collaborates nationally to enhance care for people with type 1 diabetes. Holding a joint appointment in the Division of Biomedical Informatics and Data Science, Dr. Mathioudakis integrates machine learning and AI in diabetes research. He has served on the national Epic Endocrinology Specialty Steering Board and chaired the Type 2 Diabetes Prognostics Working Group for the Precision Medicine Diabetes Initiative. Committed to education, he frequently lectures on endocrinology, epidemiology, and health informatics. Dr. Mathioudakis is rated as an Experienced provider by MediFind in the treatment of Pituitary Tumor. His top areas of expertise are Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Low Blood Sugar, Maturity Onset Diabetes of the Young, and Pancreaticoduodenectomy.