Michelle Sierant is a skilled, board-certified physician assistant with a strong background in neurology, sleep and pain medicine. She is dedicated to fostering a compassionate and empathetic environment to ensure strong clinician-patient relationships. Prior to joining MIND, she practiced at Michigan Neurology Associates & Pain Consultants, where she provided comprehensive care to patients in outpatient and inpatient settings. Michelle has extensive experience performing assessments, managing neurological conditions, ordering diagnostic testing and implementing pain management interventions.

Dr. Vieder completed his fellowship in vascular neurology at Spectrum Health System after his neurology residency at Beaumont Health. He is IHI-certified in patient safety, inpatient centered care, healthcare leadership and healthcare improvement, as well as in neurocritical care (ENLS certified). He has contributed in research of CT turn-around times for acute stroke care and has spent time as an author and editor for neurology board preparation question banks. Dr. Vieder’s practice has a focus on treatment and prevention of stroke and other vascular neurologic disorders.

Dr. Katzman is board-certified in neurology and has significant experience managing diverse neurological conditions in inpatient and outpatient settings. He completed his residency at Corewell Health East-Farmington Hills and Corewell Health William Beaumont University Hospital-Royal Oak. Interests include clinical research and medical education. He has been recognized for his work, including earning second place in Alvin Yarrows Research Day for an original case report.

Dr. Ross is board-certified in neurology, having completed her residency at Corewell Health East-Farmington Hills, where she was co-chief resident. She brings extensive experience as a neurohospitalist, specializing in diagnosing and managing complex neurological conditions in hospital settings. Dr. Ross is known for her compassionate approach to patient care and commitment to advancing clinical and leadership skills.

Sheppard is a board-certified family nurse practitioner. She obtained a Master of Science in Nursing from the University of Detroit Mercy and a Bachelor of Science in Nursing from the University of Michigan. Her clinical interests include epilepsy in women, migraine, neurocognitive disorders, stroke, multiple sclerosis, and neuropathies. She is an active member of the American Association of Nurse Practitioners. Sheppard is a “huge” Michigan football fan and does not miss a game-day Saturday, whether it’s watching at home or live at The Big House.

Abbo is a board-certified family nurse practitioner, proficient in three languages, with a bachelor’s degree from Oakland University and a Master of Science in nursing from Chamberlain University. Her two decades of nurse practitioner practicum experience include work in obstetrics and gynecology care, pediatrics, internal medicine and family practice primary care. She has garnered two Daisy Award nominations and has been honored with four "Saluting Your Stars."

Kantzler is a board-certified family nurse practitioner. She received a doctorate in nursing from the University of Michigan-Flint and has more than two decades of experience in patient care ranging from trauma/burn and cardiovascular, as well as postoperative care of pediatric patients within a congenital heart disease program. Additionally, Kantzler also specialized in treating chronic head and neck pain as a member of an advanced practice team. She has contributed to research toward investigating the impact of house call providers on reducing emergency room visits among seniors residing in a senior housing community.

Johnson is a board-certified family nurse practitioner with certification as a multiple sclerosis certified nurse. Johnson earned a bachelor’s degree from Bradley University and a Master of Science degree from the University of North Carolina.

Board-certified physician assistant, Epstein, PA-C, joined MIND in 2018 and is dedicated to providing compassionate, patient-focused care at the practice’s location in Farmington Hills. Epstein earned a Bachelor of Health Science degree with a focus in pre-physical therapy and exercise science from Oakland University. She obtained her Master of Science degree in Physician Assistant Studies from the University of Detroit Mercy. She is a member of the Michigan Academy of Physician Assistants and has always had a strong interest in neurology. Epstein now specializes in headache and face pain medicine. She works closely with Dr. Lauren Aymen and Dr. Mina Essak in MIND’s Headache Center. In her free time, Epstein enjoys traveling and exploring new places.

Brennan is a board-certified acute care nurse practitioner. She earned a bachelor’s degree from Eastern Michigan University and received her Master of Science degree from the University of Michigan.

Bhatia is a board-certified family nurse practitioner with a bachelor’s degree from the University of Windsor School of Nursing in Windsor, Ontario, and a Master's degree in nursing from the University of Detroit Mercy. She is NIHSS, BLS and ACLS certified. She is also a Daisy Award Winner. Bhatia has experience providing care to patients with neurological conditions in Detroit Receiving Hospital's stroke and neurology unit and has worked in Henry Ford Hospital's cardiac care unit with critically ill patients facing complex heart conditions. She currently functions as the APP lead at MIND and continues to strive to improve patient outcomes. In her free time, Bhatia loves to spend time with her family and dogs, going for long walks, and trying foods from around the world.

Sonda Rossman was diagnosed with multiple sclerosis in her twenties. After getting past the shock of this diagnosis, she decided to help all others afflicted with this disease. She started this mission by joining the Michigan Institute for Neurological Disorders (MIND) and has stayed there for over 20 years.

Using her bachelor’s degree from Hillsdale College in psychology and her master’s in counseling from Oakland University, she took the lead in creating the MS Center at MIND, while also creating support groups. Despite no experience, she started a clinical research program for MS. At the time, this was unheard of for a private institution and as a result, MIND has one of the largest private MS clinical and research centers in the country.

When a life-changing medication, Tysabri, was pulled from the market soon after approval in 2005, Sonda testified in front of the FDA advisory panel as both a patient and health care professional. Her efforts helped bring this groundbreaking treatment back to market in 2006. Her accomplishments were just getting started.

When the first treatment for a devastating neuromuscular disorder, Spinal Muscular Atrophy was approved, Sonda was able to get the first commercial patient injected with this treatment in the US. She then arranged a meeting with the team from Michigan Medicaid and helped to change policy that allows private facilities to administer this treatment.

In 2020, she was asked to give testimony in front of both the state house and senate that helped to pass Senate Bill 809 which has alleviated the financial burden on patients who receive infusion therapies for any medical condition.

Last, with the emergence of Covid-19, Sonda helped to create a plan that allowed patients to maintain their essential MS infusion therapies safely. She made sure the clinical research program at MIND was able to continue to conduct study visits, in an effort to not delay the study of emerging treatments for this chronic and often progressive disease.

Dr. Feldman is an anesthesiologist and interventional pain physician, specializing in headaches and neck pain. He attended medical school at the Wayne State University School of Medicine and graduated as an inducted member of the prestigious Alpha Omega Alpha honor medical society. He then completed residency training in anesthesiology followed by fellowship training in interventional pain management at the University of Michigan Health System. He is board-certified in both anesthesiology and interventional pain management. His targeted approach to pain management focuses on identifying and treating a pain source through both fluoroscopic and ultrasound-guided procedures. Additionally, he has been at the pioneering forefront of IV infusion therapies for chronic pain. He has been recognized several times as one of the area’s most respected interventional pain management physicians in Hour Detroit’s Top Doc issues.

Dr. Zaituna is board-certified in neurology and earned her Doctor of Osteopathic Medicine from Michigan State University College of Osteopathic Medicine and bachelor of science in brain, behavior and cognitive sciences from the University of Michigan–Ann Arbor. She is a hospitalist with MIND, working with patients admitted to the hospital.

Dr. Frankowicz is board-certified in neurology and treats a myriad of conditions in her general neurology practice at MIND and Corewell East Dearborn. She focuses primarily on in-patient conditions, such as stroke and seizure management. Frankowicz is a member of ACN.

Dr. Seidman is board-certified in diagnostic radiology and is fellowship-trained in neuroradiology at DMC-Harper University Hospital. He has been with MIND for 33 years; he analyzes MRIs and performs spine-related injections, such as epidurals and spinal taps. Seidman has served on several FAOCR committees, teaching residents.

Dr. Biondo-Savin is fellowship-trained in neuroradiology at Beaumont Hospital and is board-certified in both diagnostic radiology and in physical therapy. He is the former neurological chief of radiology at DMC Huron Valley-Sinai Hospital and the former neuroradiology section chief and fellowship program director at Michigan State University. His clinical focus at MIND is on adult neuroradiology, with interests in demyelination, concussion/TBI and degenerative disorders.

Dr. Nasta is a neurologist who has contributed published research on insulin therapy for pre-hyperglycemic beta-cell endoplasmic reticulum crowding and has done research on the effect of insulin therapy on beta-cell function in the early stages of Type-2 diabetes. He earned his medical degree from the Michigan State Osteopathic School of Medicine and completed his residency program at Corewell Health (formerly Beaumont).

Dr. Essak was fellowship-trained in headache and facial pain at Duke University Hospital and completed his residency in neurology at Ascension Macomb-Oakland Hospital. Essak has contributed research toward improving the knowledge base of acute stroke guidelines and management and on the role of expansion in Drosophila tracheal diameter regulation. His current research efforts are on the relationship between encephalocele and idiopathic intracranial hypertension. Essak is board-certified in adult neurology, and a member of the American Headache Society.

Board-certified in neurology, Dr. Singer has practiced general neurology at MIND since 2001. He has been named an Hour Magazine Top Doc consecutively from 2005 to present. He previously served as Medical Director of the Primary Stroke Center at Corewell East Detroit. 

Dr. Pierce has been with MIND since 2001 and has been the Residency, Program Director of Corewell Health Department of Neurology since 2012. Pierce is board-certified and practices general neurology. He actively serves as sub-investigator in multiple sclerosis clinical trials.

He has been recognized with the 2025 Faculty Leadership Award by the Association of University Professors of Neurology (AUPN), an honor that acknowledges exceptional leadership within academic neurology departments. This award highlights his commitment to excellence and innovation in the field.​

Dr. Kodrik is a board-certified neurologist and lifestyle medicine physician at the Michigan Institute for Neurological Disorders (MIND), specializing in headache, seizure, and neuropathic disorders. She also serves as Chairwoman of the MIND Board of Directors, guiding the organization’s clinical and strategic direction.

Her clinical approach combines neurological expertise with a focus on whole-person care—addressing both symptoms and the underlying factors that influence long-term health. She works closely with patients to develop individualized care plans that support symptom control and overall well-being.

Dr. Kodrik also integrates lifestyle medicine into neurological care, using evidence-based interventions such as nutrition, physical activity, sleep, and stress management to help prevent and manage chronic conditions and improve quality of life.

Dr. Kodrik has been with MIND since 2005 and is an active member of the American Osteopathic Association, the American Academy of Neurology, and the American College of Lifestyle Medicine.

Age Groups Seen: Adults

Languages Spoken: English

Accepting New Patients

Dr. Kassa is board-certified in neurology and his clinical interest lies in multiple sclerosis, headache, stroke, Parkinson’s disease, and other neurological conditions. He is affiliated with Corewell Health, Ascension Macomb-Oakland Hospital and McLaren Macomb. Kassa is a member of AOA and AAN.

Dr. Jonathan Fellows is a leading authority on Alzheimer’s disease and memory disorders, bringing over 25 years of neurology experience to his work with patients and their families. As Director of the MIND Alzheimer’s Disease & Memory Disorder Center, he oversees a dedicated program focused on early identification, comprehensive diagnostic evaluation, and ongoing management of Alzheimer’s disease and related cognitive conditions. He is widely recognized for his expertise in dementia care and is frequently invited to speak on advances in diagnosis, treatment, research, and patient support.

Dr. Fellows is board-certified in both neurology and electrodiagnostic medicine and serves as the Associate Program Director of Corewell Health’s Neurology Residency Program, where he helps guide clinical standards and strengthen specialty training. His dedication to patient-centered neurological care has earned him significant respect within the medical community.

Specialties

While his primary clinical focus is Alzheimer’s disease and memory disorders, Dr. Fellows also evaluates and treats conditions such as epilepsy, neuropathy, radiculopathy, Parkinson’s disease, multiple sclerosis, migraine, and stroke. His approach emphasizes thorough diagnostic assessment, clear communication, and a commitment to helping patients and families navigate complex neurological challenges.

He has been honored as an HOUR Detroit Magazine “Top Doc” every year since 2008—recognition of his long-standing excellence and leadership in neurology.

Dr. Ellenbogen is a movement disorders neurologist at MIND and has researched and published on Parkinson’s disease, restless legs syndrome, essential tremor, and other conditions. He is a core faculty member at Ascension St. John Hospital’s neurology residency and is an assistant professor of medicine at Oakland University William Beaumont School of Medicine. Additionally, he serves as the President of the Board of Directors and Chairman of the Professional Advisory Board (PAB) at the Michigan Parkinson Foundation. He is also an active member of the Parkinson’s Study Group, Restless Legs Study Group, International Neurotoxin Association, and the Movement Disorders Society, among other groups.

Dr. Boudouris is chairman of the Department of Neurology at Corewell Health, Farmington Hills campus. Board certified in neurology, he has tremendous experience with multiple sclerosis, headache, epilepsy, and neurodegenerative disorders. He graduated from Michigan State University College of Osteopathic Medicine (MSU COM) and is a clinical Professor of Neurology at MSU COM. He has been recognized as one of the area’s most respected neurologists in Hour Detroit’s Top Docs issues.

Dr. Belkin is a board-certified neurologist with fellowship training in clinical neurophysiology at the Michigan Institute for Neurological Disorders (MIND), where he serves as Medical Director of the MIND Multiple Sclerosis (MS) Center—one of the largest private MS centers in the country.

He specializes in the diagnosis, treatment, and long-term management of complex neuroimmunological conditions, including multiple sclerosis (MS) and neuromyelitis optica spectrum disorder (NMOSD). Since joining MIND in 2001, his approach has emphasized individualized, research-informed care and close collaboration across a multidisciplinary care team.

Dr. Belkin’s clinical expertise spans complex neuroimmunological conditions, with a focus on personalized treatment strategies and comprehensive, long-term care. He is actively involved in clinical research, serving as principal and sub-investigator on numerous clinical trials focused on MS and related neurological diseases. A nationally recognized speaker, Dr. Belkin lectures widely on advancements in MS and emerging therapies.

Dr. Belkin has played a key role in advancing neurology education and physician training. He served as Residency Director of the Ascension Macomb-Oakland neurology residency program for nearly 20 years. He currently leads the MIND Multiple Sclerosis Fellowship Program and serves as a Clinical Assistant Professor at the Michigan State University College of Osteopathic Medicine and the Oakland University William Beaumont School of Medicine.

Dr. Belkin earned his Doctor of Osteopathic Medicine degree with honors from the Michigan State University College of Osteopathic Medicine, completed his neurology residency at Corewell Health, and completed a fellowship in Clinical Neurophysiology at Henry Ford Hospital.

Age Groups Seen: Adults, Adolescents (based on age and diagnosis)

Languages Spoken: English

Accepting New Patients

Dr. Bradley Aymen is a board-certified neurologist at the Michigan Institute for Neurological Disorders (MIND) in Farmington Hills, where he provides comprehensive care for a wide range of neurological conditions. Dr. Aymen conducts inpatient rounds at Corewell Health William Beaumont University Hospital and is actively involved in training the next generation of neurologists. He serves as a faculty member in the neurology residency program and teaches medical students at the Oakland University William Beaumont School of Medicine.

Specialties: Stroke, Memory Disorders, Concussion, Epilepsy, Migraine, Neuropathy, Parkinson’s Disease, and Multiple Sclerosis

Age Groups Seen: Adults

Languages Spoken: English