About Us

Donald Negroski, M.D.

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Since arriving to Sarasota in 1986, Dr. Negroski has been providing care for adults suffering from neurological disorders including headaches, dementia, multiple sclerosis, seizures, strokes and other disorders of the nerves and muscles. Dr. Negroski attended the Medical College of Ohio and completed his residency and fellowship at the Cleveland Clinic Foundation in Cleveland, Ohio where he served as Chief Resident. In addition to his award-winning general neurology practice, he specializes in the treatment of Multiple Sclerosis. 

Dr. Negroski has been named as a partner is MS care by the National MS Society. These healthcare providers have demonstrated knowledge and expertise in treating patients with Multiple Sclerosis. He also serves as a medical advisor for MS Views & News and is a member of the Consortium of Multiple Sclerosis Centers and contributes to a number of clinical trials and published works in the field of Multiple Sclerosis. Dr. Negroski is a Clinical Assistant Professor in the Department of Clinical Science at Florida State University College of Medicine.  

He has presented at national and international conferences and has a recurrent listings in Castle Connolly, US News and World Report and Sarasota Magazine as a Top Doctor. 

Valeriy Sabodash, M.D.

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Dr. Sabodash received his medical education in Dnipropetrovsk State Medical Academy, Ukraine, and started his medical career as a neurosurgeon in 1999.

In 2011, Dr. Sabodash completed a neurology residency at Southern Illinois University School of Medicine followed by fellowship training in clinical neurophysiology and epilepsy at University of Chicago.  He completed a second fellowship and board certification in behavioral neurology and neuropsychiatry at University of California Los Angeles.

Dr. Sabodash's clinical interest is cognitive and behavioral disorders, dementia and memory loss, epilepsy, headache, peripheral neuropathy including carpal tunnel syndrome and CIDP, spinal disorders, myasthenia gravis, myopathy, and other complex neurological syndromes. 

Dr. Sabodash also provides Compulsory/Independent Medical Examination and Medical-Legal Expertise. These include workers compensation, personal and car accident related injuries, second opinion, peer and medical files review. 

Daniel Sellers, PA-C

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 Daniel Sellers, MSCS, PA-C, is a Physician Assistant who specializes in the diagnosis, treatment, and management of neurological conditions of all types.  He has additional training & certification in the sub-specialty of multiple sclerosis. Mr. Sellers develops treatment protocols and infusion orders for his patients, and performs Expanded Disability Status Scale (EDSS) assessments for clinical research studies. He has also served as a sub-investigator on several phase 3 and 4 clinical trials. He is a member of the Consortium of Multiple Sclerosis Centers, the MS Special Interest Group for PAs, and the Florida Association of Physician Assistants. Mr. Sellers received his Bachelor of Science degree at University of Central Florida in Orlando, Florida, and completed his Physician Assistant training at Nova Southeastern University in Fort Myers, Florida.