Lee Buono, MD, FACS
Director, Center for Spinal Disorders and Spinal Oncology
Dr. Buono received his medical degree from Jefferson Medical College in Philadelphia, PA. He completed his internship in general surgery and his residency in neurosurgery at Thomas Jefferson University Hospital. Dr. Buono is board certified in neurological surgery. Dr. Buono specializes in minimally invasive spine surgery.
Click here to read more about Dr. Buono.
Vernard S. Fennell, MD, MSc
Cerebrovascular and Endovascular Neurosurgery
Skull Base Surgery
Dr. Fennell is a dual fellowship trained neurosurgeon specializing in cerebrovascular and endovascular neurosurgery, with additional expertise in microsurgery, skull base surgery, brain and spine tumors, spine trauma and reconstruction as well as epilepsy surgery.
Dr. Fennell received his medical degree from Georgetown University School of Medicine in Washington, DC. He earned his Master of Science in Biomedical Sciences with a focus on flow dynamics and bone mechanics and completed his residency at the University of Arizona in Tucson, Arizona. Dr. Fennell completed a clinical spine fellowship, also at the University of Arizona. He completed his cerebrovascular and skull base surgery fellowship at the Barrow Neurological Institute, an internationally renowned neurological disease treatment and research institution located in Phoenix, Arizona. Dr. Fennell completed additional fellowship training in neuroendovascular surgery at the University at Buffalo Neurosurgery/Gates Vascular Institute. He has also worked with the National Football League (NFL) as a neurological trauma and concussion consultant.
Click here to read more about Dr. Fennell.
Navid Redjal, MD, FAANS
Director, Neurosurgical Oncology
Dr. Navid Redjal, director of Neurosurgical Oncology, is a board certified, Harvard trained neurosurgeon with extensive research and clinical background in neuro-oncology. He has been involved in significant translational brain cancer research and neuro-oncology clinical trials with research fellowships at the Dana-Farber Cancer Institute and Massachusetts General Hospital/Harvard Medical School.
Dr. Redjal graduated from medical school at Harvard with honors, specifically completing the Harvard-MIT Health Sciences and Technology Society curriculum with research thesis focusing on targeted therapeutics for brain cancer. After completion of medical school, he completed his residency at the Massachusetts General Hospital/Harvard neurosurgery program where he also completed a stereotactic proton radiosurgery fellowship. He is board certified in neurological surgery and a diplomate of the American Board of Neurological Surgery.
Click here to read more about Dr. Redjal.
Michael F. Stiefel, MD PhD FAANS
Cerebrovascular and Endovascular Neurosurgery
Skull Base Surgery
Dr. Stiefel is a fellowship trained, board certified neurosurgeon specializing in cerebrovascular and endovascular neurosurgery, as well as skull base surgery and surgery for brain tumors.
As a cerebrovascular neurosurgeon, Dr. Stiefel offers surgical treatments using microsurgical and endovascular techniques to treat cerebral aneurysms, acute stroke, subarachnoid hemorrhage, arteriovenous malformations (AVMs), arteriovenous fistulas (AVFs), carotid stenosis, intracranial stenosis, and cavernous malformations.
Dr. Stiefel received his MD and PhD from the Medical College of Virginia. He completed his neurosurgery training at the University of Pennsylvania. While at the University of Pennsylvania, he completed training in diagnostic neuroradiology and was the Groff Cerebrovascular Research Fellow as well as an NIH research fellow. He then went on to complete a fellowship in endovascular neurosurgery at the Barrow Neurological Institute in Phoenix, Arizona.
Click here to learn more about Dr. Stiefel.
Luke W. Amann, Psy.D
Dr. Luke Amann is a fellowship trained clinical neuropsychologist. He earned his doctoral degree in clinical psychology at Chestnut Hill College in Philadelphia, PA, where he also received his Master of Science degree in counseling psychology. He completed post-doctoral studies in neuropsychology at Clinical Neuropsychology Associates in Philadelphia, PA.
Dr. Amann is trained to conduct neuropsychological evaluations, which include clinical interviews, standardized testing administration, scoring, interpretation and reporting. Dr. Amann also provides cognitive rehabilitation services and psychotherapy to improve a patient’s overall functioning and to assist them in restoring and maintaining their everyday activities following traumatic brain injuries or other acquired neurological injuries.
Click here to learn more about Dr. Amann.
Jennifer Dave, PhD
Dr. Dave is a fellowship trained clinical neuropsychologist, specializing in the function of the brain and its relationship to patient behaviors. She received her doctorate and master’s degrees in clinical psychology from the University of Southern California, and completed her fellowship training in clinical neuropsychology at the Comprehensive Epilepsy Center at Columbia University Medical Center in New York City.
Dr. Dave completed her neuropsychology internship at the University of California – Los Angeles Semel Institute for Neuroscience and Human Behavior. Prior to joining Capital Health, she served as a clinical neuropsychologist and director of Neuropsychology Services for the Center for Neurosciences at Riddle Memorial Hospital in Media, PA.
Click here to learn more about Dr. Dave.
Mitra Assadi, MD
Director, Headache Medicine and Pediatric Neurology
Dr. Assadi received her medical degree from Phalavi Medical School in Shiraz, Iran. She completed a residency in internal medicine at Prince George's Hospital in Cheverly, Maryland, followed by a residency in neurology at Drexel University in Philadelphia. Dr. Assadi received her fellowship training in pediatric neurology at St. Christopher Hospital for Children in Philadelphia. She is board certified in neurology, clinical neurophysiology and headache medicine. Dr. Assadi specializes in headache medicine and pediatric neurology.
Click here to read more about Dr. Assadi.
Callum Dupre, DO
Dr. Dupre is board certified in neurology and sleep medicine. He joined Capital Health after completing his fellowship training in sleep medicine at the nationally renowned Mayo Clinic in Rochester, Minnesota. He earned his medical degree from the New York College of Osteopathic Medicine in Westbury, NY.
Alexandra Landen, DO, MPT
Dr. Landen is board certified in neurology and joined the Capital Institute for Neurosciences from Jefferson University Hospitals in Philadelphia, PA. She received her Doctor of Osteopathy degree from the University of Medicine and Dentistry of New Jersey (UMDNJ) after completion of her Master of Physical Therapy degree, which she received from UMDNJ as well. Following the completion of her degrees, Dr. Landen completed a neurology residency, followed by a fellowship in movement disorders at Georgetown University Hospital in Washington, DC.
Dr. Landen treats patients with movement disorders, Parkinson’s, essential tremor, atypical Parkinson’s (multisystem atrophy, progressive supranuclear palsy, and corticobasilar degeneration), dystonia, ataxia, Huntington’s disease, tic disorders and spasticity.
Click here to learn more about Dr. Landen.
Emil Matarese, MD
Director, Concussion Program
Dr. Matarese is a board certified neurologist who serves as director of the Institute's Concussion Program. He received his medical degree from the College of Medicine and Dentistry of NJ. Dr. Matarese completed an internal medicine residency at University Hospital in Newark, after which, he did his residency in neurology at Mt. Sinai Hospital in New York City.
Click here to learn more about Dr. Matarese.
Chirag S. Shukla, MD, FAAN
Outpatient Stroke Director
Dr. Shukla received his medical degree from Shri M.P. Shah Medical College in Jamnagar, India. He completed his residency in neurology at the University of Pittsburgh Medical Center in Pittsburgh, PA. Dr. Shukla received fellowship training in neurophysiology also at the University of Pittsburgh. Dr. Shukla is board certified in neurology, vascular neurology, clinical neurophysiology, and electrodiagnostic medicine.
Arnold S. Witte, MD
Dr. Witte is board certified in neurology, internal medicine, and electrodiagnostic medicine. After receiving his medical degree from Tufts University in Boston, MA, Dr. Witte completed his internship/residency in internal medicine at University Hospitals of Cleveland. He later was a neurology resident at the University of Pennsylvania, where he also completed his fellowship training in neuromuscular disease. Dr. Witte went on to join the faculty of Thomas Jefferson University and was director of the Neuromuscular Electrodiagnostic Laboratory there for several years.
Click here to learn more about Dr. Witte.
Daniel B. Landau, MD
Dr. Landau received his medical degree from New York University School of Medicine in New York, NY. He completed his residency in neurology at Montefiore Medical Center in Bronx, NY, where he also received his fellowship training in vascular neurology. Dr. Landau is a member of the American Academy of Neurology.
Varun Naragum, MD
Dr. Varun Naragum is an interventional neurologist and neurohospitalist at Capital Health.
Dr. Naragum is board certified in neurology and vascular neurology. He completed his residency in internal medicine at MacNeal Hospital in Berwyn, IL. He was fellowship trained in neurology at Drexel University College of Medicine in Philadelphia, PA; vascular neurology and endovascular surgical neuroradiology at Boston University in Boston, MA; and endovascular surgical neuroradiology at University of Maryland (Baltimore, MD). He received his Bachelor of Medicine/Bachelor of Surgery degree (MBBS) from Gandhi Medical College in Hyderabad, India.
Click here to learn more about Dr. Naragum.
H. Christian Schumacher, MD
Dr. Schumacher is board certified in neurology, vascular neurology, and neurocritical care. He completed his cerebrovascular research fellowship training at Columbia University’s Neurological Institute and was trained in neurology at New York-Presbyterian Hospital.
Click here to learn more about Dr. Schumacher.
Neuro Critical Care
Dustin Rochestie, DO
Dr. Rochestie is board certified in neurology and neurocritical care and received his medical degree from Nova Southeastern College of Osteopathic Medicine in Davie, FL. After his neurology residency at Drexel University College of Medicine in Philadelphia, PA, Dr. Rochestie completed his fellowship training in neurocritical care at Emory University School of Medicine in Atlanta, GA.
Click here to learn more about Dr. Rochestie.
Orthopaedic Spine Surgery
John D. Tydings, MD
Dr. Tydings is a board certified, fellowship trained orthopaedic surgeon specializing in spinal surgery. He treats patients who are experiencing any of the full range of spine conditions, including spinal injuries, tumors, infections, sacroiliac disorders, and degenerative conditions of the cervical, thoracic, and lumbar spine.
Beginning his career as the first fellowship trained spine surgeon in Mercer County, Dr. Tydings has nearly three decades of experience in the diagnosis, nonsurgical management, and surgical treatment of all conditions affecting the spine. He comes to Capital Health from private practice in Lawrenceville and Freehold, New Jersey.
Dr. Tydings received his medical degree from Albany Medical College in Albany, New York. He completed his internship and residency in Orthopaedic Surgery at the Albany Medical Center and was fellowship trained in spine surgery at the K.D. Leatherman Spine Center in Louisville, Kentucky.
Click here to read more about Dr. Tydings.
Jorge E. Alvarez, MD
Director, Interventional Pain Management
Dr. Jorge Alvarez is board certified in the specialties of anesthesiology and pain medicine with additional certification in interventional pain management.
Dr. Alvarez completed his internship and residency training at Cleveland Clinic in Cleveland, OH and then his pain management fellowship at the State University of New York at Buffalo. He earned his medical degree from Universidad J. N. Corpas Medical School in Bogota, Colombia.
Click here to learn more about Dr. Alvarez.
Héctor F. Casiano, MD
Dr. Héctor Casiano is a board certified anesthesiologist with a focus on interventional pain medicine.
He completed his anesthesiology residency at the University of Puerto Rico where he received the Academic Excellence Award for his outstanding academic and clinical performance. After his residency, Dr. Casiano completed a regional anesthesia and acute pain medicine fellowship at the University of Pittsburgh Medical Center in Pittsburgh, PA and a pain medicine fellowship at John H. Stroger, Jr. Hospital of Cook County in Chicago, IL.
Click here to learn more about Dr. Casiano.
Ronald H. Gonzalez, MD
Dr. Gonzalez is board certified in physical medicine and rehabilitation and joined the Capital Institute for Neurosciences after years of private practice in the greater Mercer County area. He completed a physical medicine and rehabilitation residency at New York Presbyterian-Columbia University Medical Center in New York City, where he served a term as chief resident. He also completed an internship in general surgery at South Baltimore General Hospital in Maryland and earned his medical degree from the Universidad Central del Caribe Escuela de Medicina in Puerto Rico. He is a member of the Hispanic American Medical Association of New Jersey.
Dr. Gonzalez’s extensive clinical experience includes electrodiagnostic testing to help determine the function of muscles and nerves and the cause of pain, numbness and loss of strength.
Click here to learn more about Dr. Gonzalez.
Jeffrey Bessey, PhD
Dr. Bessey received his Masters from the University of Michigan in guidance and counseling. He then completed his Ph.D. in psychology at the University of Missouri-Columbia.
Jerrold Friedman, MD
Dr. Friedman is a board certified in physical medicine and rehabilitation and acupuncture. He completed his medical degree at State University of New York Health Science Center at Syracuse. He then completed an internship in internal medicine at State Island University Hospital and a residency in physical medicine and rehabilitation at Thomas Jefferson University Hospital in Philadelphia, PA.
Johanna Demirjian, APN, C
Johanna Demirjian is an advanced practice nurse, a certified neuroscience registered nurse, and a board certified family nurse practitioner with more than 15 years of experience providing care for patients with acute and chronic neurological conditions. She received her Bachelor of Science in Nursing degree from Holy Family University in Philadelphia, PA and her Master of Science in Nursing degree from Thomas Jefferson University in Philadelphia, PA. In addition to managing patients as part of the inpatient neurology team, Johanna coordinates the neuroscience nurse practitioner fellowship program.
Before joining Capital Health, Johanna served as stroke program coordinator at St. Mary Medical Center in Langhorne, PA and RWJ Hamilton in Hamilton, NJ, where she also oversaw The Joint Commission’s stroke certification process. Johanna has published articles in professional journals, developed continuing education courses for nurses, and presented research to the New England Cerebrovascular Consortium. She is a member of the New Jersey Department of Health Stroke Advisory Panel and the Neuroscience Nurses Association. She is fluent in Spanish and English.
Staci J. Priano, DNP, CRNP, FNP-C
Staci Priano is an advanced practice nurse practitioner and board certified nurse practitioner who provides outpatient pain management care. She received her Bachelor of Science in Nursing degree at Immaculata University in Immaculata, PA, where she also received her Administrative Master of Science in Nursing degree. After earning her Family Nurse Practitioner and Doctor of Nursing Practice degrees at Widener University in Chester, PA, Staci completed a post-doctoral nurse practitioner neurology fellowship at Capital Health. She is a member of the American Association of Nurse Practitioners and the American Nurses Association.
Rosemary Silva, MSN, AGACNP-BC, SCRN, CMC, CCRN
Rosemary Silva is a board certified advanced practice nurse and registered nurse with credentials for a range of care settings, including stroke, critical care, advanced trauma life support, emergency neurological life support, fundamental critical care support, and cardiac medical certification.
Rosemary earned her Bachelor of Science, Registered Nurse degree at Rutgers, The State University of New Jersey, College of Nursing in Newark, NJ, where she also completed the Master of Science, Adult Gerontological Acute Care Nurse Practitioner program. In addition, she served as a teaching assistant in the university’s Undergraduate Nursing Clinical Simulation program and as a lecturer for its RN Re-Entry Into Practice course.
Prior to Capital Health, Rosemary was a nurse practitioner in acute care surgery/trauma and a clinical nurse educator in the neurosurgical trauma intensive care unit at Jersey Shore University Medical Center in Neptune, NJ. She has co-authored stroke research that has appeared in scholarly neurosurgical journals, is a member of the American Association of Critical Care Nurses, the Neurocritical Care Society, and is a past member of the American Association of Neuroscience Nurses.
Ajay Choudhri, MD
Medical Director and Chairman, Department of Radiology
Dr. Choudhri received his medical degree from the New Jersey Medical School, UMDNJ, Newark. His residency in radiology at Albert Einstein College of Medicine, Montefiore Medical Center, was followed by a fellowship in interventional radiology at the Miami Cardiac and Vascular Institute. He previously served as chief of Interventional Radiology at Jackson South Hospital in Miami. He is board certified in radiology.
Yaakov N. Applbaum, MD
Chief, Neuroradiology Section
Dr. Applbaum was chairman and medical director of the Department of Radiology at Capital Health from 2002-2017. Prior to that, he was chief of Vascular and Interventional Radiology at Staten Island University Hospital. A graduate of Albert Einstein College of Medicine in New York, he completed his residency in radiology at Maimonides Medical Center in New York, followed by a fellowship in vascular and interventional radiology at University California Irvine. Dr. Applbaum is a diplomate of the American Board of Radiology, with certifications in neuroradiology, interventional radiology and diagnostic radiology. With more than thirty years of experience in interventional radiology and neuroradiology, including spine pain management procedures, Dr. Applbaum has been featured as an Inside Jersey Top Doctor, and Castle Connolly Top Doctor for the New York Metro Area.
Bradd R. Millian, MD
Dr. Millian received his medical degree from the University of Medicine and Dentistry of New Jersey-New Jersey Medical School in Newark, NJ. He completed his residency in diagnostic radiology at Boston University Medical Center and received his fellowship training in neuroradiology from the Hospital of the University of Pennsylvania in Philadelphia, PA. He is board certified in radiology and neuroradiology.
James L. Montuori, DO
Dr. Montuori graduated with high honors from the New York College of Osteopathic Medicine in Old Westbury, NJ. He completed his radiology residency and served as chief resident at Cooper University Health Care in Camden, NJ. He completed an MRI/body imaging fellowship at Yale New Haven Hospital. He is board certified in radiology. Dr. Montuori was previously at Lourdes Health System where he served on the medical executive committee as a member, secretary, and treasurer as well as on the quality assurance committee. Dr. Montuori also served as the MRI division chief before joining Capital Health in August 2018. He specializes in musculoskeletal (MSK) and body imaging including ultrasound, CT, MRI and nuclear medicine/PET.
Matthew A. Neimark, MD
Dr. Neimark received his bachelor’s and master’s degrees from MIT as well as his medical and PhD degrees from Columbia University School of Physicians & Surgeons, New York, NY. His residency in diagnostic radiology at SUNY Downstate Medical Center-Brooklyn, NY was followed by a neuroradiology/interventional/vascular radiology fellowship at Montefiore Medical Center-Albert Einstein College of Medicine, Bronx, NY. He is board certified in diagnostic radiology.
Ramdas M. Prabhu, DO
Dr. Prabhu received his medical degree from UMDNJ - School of Osteopathic Medicine in Stratford, NJ. He completed his residency in diagnostic radiology from Newark Beth Israel Medical Center and received his fellowship training in neuroradiology at Yale University School of Medical. Dr. Prabhu is board certified in radiology.
Natalya Soloveychik, DO
Dr. Soloveychik is a graduate of Lake Erie College of Osteopathic Medicine in Erie, PA. She completed her residency in diagnostic radiology at University of Pittsburgh Medical Center/UPMC Mercy. She received her fellowship training in neuroradiology from the University of Maryland Medical Center, Department of Radiology in Baltimore, MD. She is board certified in radiology and speaks fluent Ukranian and Russian.
Diana Antunes, PA-C
Diana performs a variety of diagnostic, therapeutic, preventive and health management services for patients and referring physicians as part of a multi-disciplinary team.
She earned her Master of Science in physician assistant studies from MCPHS University in Worcester, MA and her Bachelor of Arts in cell biology and neuroscience from Rutgers University in New Brunswick, NJ. She completed her clinical rotation in neurosurgery at UMass Memorial Medical Center in Worcester, MA where she received training in operating room and inpatient care including Neuro ICU, biweekly outpatient clinic, conducting daily rounds and attending weekly conferences including radiology, vascular and tumor board.
In addition to providing medical and surgical care, under the direction and supervision of our physicians, Diana also helps manage new patients before, during and after their surgery. She participates in our multi-disciplinary tumor board and our neuro-oncology research program.