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Marcelo Matiello, MD



  • Department + Services


  • Board Certifications


Publications & Research

View Dr. Matiello’s recent publicationsat PubMed


Degree & Residencies

MD, Federal University of Rio de Janeiro
Residency, Brigham and Women's Hospital
Residency, Hospital da Lagoa
Residency, Hospital dos Servidores do Estado


Dr. Marcelo Matiello completed his Doctorate of Medicine at the Federal University of Rio de Janeiro, Brazil, where he also completed residency training in Neurology and Internal Medicine. He joined the Mayo Clinic in 2006, completed two research fellowships in genetics and molecular mechanisms of Multiple Sclerosis and Neuromyelitis optica and became a Research Associate of the Dept of Neurology. At the Mayo Clinic Graduate School of Medicine he obtained his Master of Science in Clinical and Translational Research. In 2012, he went to Yale University, where he spent one year on residency training, In 2016 he completed his neurology residency at Harvard Medical School in the Mass General Hospital and Brigham and Women’s hospital. Dr. Matiello has authored over 30 book chapters and peer-reviewed manuscripts, many in high-impact journals such as Neurology, Annals of Neurology, JAMA Neurology, Muscle & Nerve, Multiple Sclerosis Journal and Journal of Neuroimmunology. Dr. Matiello was a fellow for the Multiple Sclerosis International Foundation and the of National Multiple Sclerosis Society, and is a member of the American Academy of Neurology, the Mayo Clinic Alumni Association and of Scientific consortium of the Guthy-Jackson Foundation for NMO. Dr. Matiello is a world-renowned educator in central nervous system diseases, as well as in therapeutic plasma exchange. He has presented his work in 20 countries. He has been awarded with the prestigious Mayo Clinic Neurology Research Award (2010), the European Committee for the Treatment and Research in Multiple Sclerosis Best research award (Lyon, France 2012), Yale Hospital Outstanding Housestaff Physician Award (2013), the Harvard Neurology Medical Education Scholar (2015), the MGH child neurology award for best adult neurology resident (2016). Dr. Matiello speaks four languages.

Contact Marcelo Matiello, MD

Office Hours



(508) 825-1000


Nantucket Cottage Hospital
57 Prospect Street
Nantucket, MA 02554

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