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Daniel Bandari, MD, is the medical director and founder of the Multiple Sclerosis Center of California in Laguna Hills, California. Dr. Bandari has a passion for multiple sclerosis (MS), providing comprehensive care utilizing holistic and western medicine, restoring experiences and mobility to improve the quality of life for his patients.

Dr. Bandari completed his residency in neurology at Kaiser Permanente Medical Center in Los Angeles, California, where he served as chief resident and was the recipient of the Leo Munoz Outstanding Neurology Resident Award. 

He did his fellowship training in neuroimmunology and MS at the University of Southern California (USC) in Los Angeles through a fellowship award from Harvard University Medical School and Brigham & Women’s Hospital. Dr. Bandari then joined the faculty at USC in 2004.

During his tenure at USC, Dr. Bandari served as associate director and then director of the MS clinic before opening the Multiple Sclerosis Center of California in 2008. 

He’s a clinical assistant professor of neurology and neuroimmunology and the previous director of the MS center at the USC, Keck School of Medicine. He’s also a lecturer and educator at the local, national, and international levels. 

Dr. Bandari has over 18 years of experience as a clinician and researcher in MS and has numerous scientific publications. He’s also the recipient of the “Patient’s Choice Award” and “Most Compassionate Doctor Award.” He’s recognized as one of the top neurologists in the country. 

Dr. Bandari’s skills and experience with MS have made him a highly sought-after MS doctor, and he regularly treats celebrities at his Laguna Beach office. All patients can expect outstanding services and individualized care and attention from Dr. Bandari at the Multiple Sclerosis Center of California.

Talia D. Tomasin, PA-C, is a nationally board-certified Physician Assistant with advanced training across diverse medical specialties and a dedicated passion for neurologic care. She works alongside Dr. Mindy Bixby as a trusted extension of the clinic’s osteopathic vision—focusing on treating the whole person through education, empowerment, and individualized care. Talia earned her Master of Medical Science in Physician Assistant Studies from Chapman University and graduated Magna Cum Laude from San Diego State University with a Bachelor of Science in Biology and a minor in Cognitive and Behavioral Psychology. Inspired by her uncle, an orthopedic trauma surgeon, and shaped by her own experience managing chronic migraine, Talia brings both deep empathy and clinical insight to every patient interaction. Her professional background includes experience in urgent care, behavioral health, and volunteer medical work in Kenya, giving her a well-rounded and compassionate approach to care.

Dr. Mindy Bixby is a neurologist who specializes in movement disorders, brain injury medicine and headache. She has been practicing medicine since 2012 and takes an individual approach to each patient’s care that includes understanding their unique needs and goals. Dr. Bixby believes in educating, empowering and supporting patients and their families, and encouraging them to be involved in all aspects of healing. As a movement disorder specialist, Dr. Bixby cares for patients with essential tremor, Parkinson’s disease, ataxia and rare movement disorders. She also treats a comprehensive range of headache syndromes such as migraine, cluster, tension and atypical headaches. An advocate for the Parkinson's population, she is an active public speaker to help educate and empower all patients to live their best life.

Board-certified neurosurgeon Ali H. Mesiwala, MD, FAANS, takes a solution-based approach to determine anatomic and functional abnormalities and then treats them with leading-edge technologies and integrative medicine.

At his four offices in Newport Beach, Marina del Rey, and Rancho Cucamonga, California, he focuses on helping all of their patients return to their normal lives, getting back into motion as quickly as possible.

The team treats a vast array of neurological conditions. After intensive neurological exams and diagnostic testing, they recommend the best nonsurgical treatments for each person's unique health care needs. They recommend surgery when symptoms are severe or persist despite conservative care.

Patients seek Dr. Mesiwala for his expertise in brain and spine surgery, as well as peripheral nerve surgery and artificial disc replacement surgery. 

He's an expert in complex brain and skull base surgeries, and he has the most experience in artificial disc replacements on the West Coast, including multi-level operations and all types of spinal decompressions.

Dr. Mesiwala is a leader in the field of minimally invasive sacroiliac (SI) joint surgery and has performed endoscopic cranial and spinal surgery since 2004. No matter where pain originates, patients get relief after he performs neuromodulation surgery.

After earning a Bachelor of Science in biomedical engineering and electrical engineering from Johns Hopkins University in Baltimore, Maryland, Dr. Mesiwala received his Doctor of Medicine from the University of California, San Francisco. 

Then he finished his neurological surgery residency at the University of Washington in Seattle, Washington.

He completed his skull base and cerebrovascular fellowships at the University of Washington, International Neuroscience Institute in Hannover, Germany, and the University of Pittsburgh in Pittsburgh, Pennsylvania.

As a respected researcher specializing in the development of novel technologies and minimally invasive techniques for brain and spine surgery, Dr. Mesiwala holds multiple patents for medical devices used in spinal surgery. 

In addition to his private practice, Dr. Mesiwala is the faculty surgeon for various artificial disc operations and spinal fusion operations with innovative techniques. He's a fellow of the American Association of Neurological Surgeons (FAANS).

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Alireza Bozorgi, MD, is a board-certified neurologist and interventional pain management physician who also specializes in epilepsy and pain management. He sees patients at Minimally Invasive Medical Group, which has offices in Lake Forest, Mission Viejo, and Irvine, California. 

He received his medical degree from Tehran, Iran. He completed a neurology residency at Tehran University. He then completed another neurology residency at Case Western Reserve University in Cleveland, Ohio. He obtained a subspecialty in Epilepsy in Cleveland. He worked for two years at Mercy Hospital in Youngstown, Ohio. Then, he completed a year of fellowship in pain management in Cleveland. Then, he moved to Detroit, Michigan, where he practiced for a year. He then moved to California and started to practice at Minimally Invasive Medical Group. 

Dr. Bozorgi has a wealth of research experience and has published extensively. He is a member of several professional associations, including the American Board of Neurology and Psychiatry.

Dedicated to providing quality, compassionate patient care, Dr. Bozorgi is currently accepting new patients.

He offers medical, interventional, and invasive management of chronic pain including pain arising from spine, joints, limbs, and headache. His approach to ailments is holistic one, incorporating several frontiers of treatment.

He spends all other time not practicing medicine with his family and traveling.

Throughout his extensive career, board-certified neurologist William Shankle, MS, MD, FACP, has been regarded as a leading expert in the management and treatment of Alzheimer’s disease and other age-related neurological degenerative conditions. As the founder of Shankle Clinic in Newport Beach, California, Dr. Shankle uses his extensive experience to provide exceptional care for patients from near and far. 

Dr. Shankle attended undergrad at Stanford University in Palo Alto, California, where he completed a bachelor’s degree in biology. He continued to Brown University in Providence, Rhode Island, where he completed medical school. 

He pursued an internship in internal medicine at Cook County Hospital in Chicago, Illinois, and then completed his residency in neurology at Los Angeles County + USC Medical Center. Dr. Shankle also trained as a statistician at the University of Southern California in Los Angeles and completed further postgraduate studies at Harvard University in Cambridge, Massachusetts.

After co-founding the Alzheimer’s Research Center at the University of California, Irvine, Dr. Shankle served as Clinical Director for ten years. He also served as Director of the Memory and Cognitive Disorders Program at Hoag Neurosciences Institute.

Dr. Shankle has taken part in many research endeavors and has received numerous awards, including the Zenith Fellows Award from the Alzheimer’s Association. The New York Times has also recognized Dr. Shankle’s investigations on human brain development, reporting on his research as among the most important scientific discoveries of the 1990s.

Dr. Nita Chen is a neurologist who specializes in movement disorders. Dr. Chen received her medical degree from Albany Medical College in 2017. She then completed a neurology residency at UC Irvine (2021) and a movement disorders fellowship at the University of Florida (2023). Throughout her training, she has developed a special interest in Parkinson’s Disease, Dystonia, and Deep Brain Stimulation. What she loves most about these areas is how treatment and technology meet to provide an individualized plan. Dr. Chen uses her love of art to connect science with humanism and is known to use illustrations to demonstrate concepts of disease and treatment. Outside of the role of neurologist, she enjoys gardening, making ceramics, and exploring local crafting festivities. In another life without being plagued by sea sickness, she would be a marine biologist. For now, she’ll settle for her cat (Glia) who is reportedly known to act like a shark at times, or a puffer fish.

Charles E. Niesen, MD, is a pediatric neurologist leading a team of experienced providers at AMS Neurology in Pasadena, California, and throughout the Los Angeles area. 

 

Dr. Niesen was born in Poughkeepsie, New York. He received his undergraduate degree from Cornell University in Ithaca, New York, and his medical degree from the Sackler School of Medicine, Tel Aviv University in Israel. 

 

He completed his pediatric training at Rainbow Babies and Children's Hospital, affiliated with Case Western Reserve University School of Medicine in Cleveland, Ohio. He also completed his child neurology fellowship at the Hospital for Sick Children in Toronto, Canada. Dr. Niesen spent two years doing post-graduate research in neurophysiology at the University of Toronto.

 

His first faculty position was with the Children's Hospital Los Angeles. As an assistant professorship of pediatrics and neurology, he set up an NIH-sponsored electrophysiology lab to study epilepsy in the developing brain. After five years, he moved to Cedars-Sinai Medical Center in Los Angeles, where he was an associate professor of pediatrics and director of the Division of Child Neurology. 

 

Dr. Niesen is board-certified in child neurology by the American Board of Psychiatry and Neurology and the Medical Research Council of Canada.

 

He is a specialist in childhood epilepsy and neurodevelopmental disorders of the brain and has published over twenty peer-reviewed articles on epilepsy and drug effects on the developing brain. 

 

Dr. Niesen is a member of the American Epilepsy Society, the Child Neurology Society, the American Academy of Neurology, and the Society for Neuroscience. He is also the co-founder of the Pasadena Neurodevelopment Group. 

 

Dr. Niesen resides in Pasadena, California, with his wife and two daughters.