Dr. Crayton is a board-certified neurologist specializing in Multiple Sclerosis. She grew up in Los Angeles, attended medical school at the Medical College of Pennsylvania, and completed her residency and MS fellowship at Georgetown University Hospital. She founded the MS Center of Greater Washington in 2007 — the only full-time non-academic MS center in the Mid-Atlantic region. She has been a principal investigator in MS clinical trials and lectures to patients and physicians worldwide. She and her husband Mike live in northern Virginia and have 3 adult sons and 2 dogs.

Dr. Nancy Hu is a board-certified Neurologist who thoughtfully considers individual circumstances and integrates a multifaceted, holistic approach for each patient. She completed her Neurology residency and MS/Neuro-Immunology fellowship at Georgetown University. Her practice is rooted in the belief that healthcare is a collaborative journey — empowering patients through education to instill true healing. Outside the clinic she enjoys arts and crafts and family time with her husband and children.

Dr. Zachariah Hasan is a board-certified neurologist specializing in MS and neuroimmunology. He completed his medical degree at Eastern Virginia Medical School, neurology residency at MedStar Georgetown where he was Chief Resident, and an MS fellowship at Georgetown. A Northern Virginia native, his clinical interests include MS, NMOSD, MOGAD, autoimmune nervous system disorders, sleep medicine, and Botox for spasticity management.

Deanna is a licensed practical nurse serving as a clinical and infusion nurse and clinical rater at MSCGW. A Northern Virginia native, she pivoted from criminal justice studies to earn her LPN from ECPI University in 2017. Outside of work she loves spending time with family, friends, and her dog Silo — and she’s a passionate baseball fan, concert-goer, and world traveler.

Rebeca is a Salvadoran American born and raised in Northern Virginia. She became an LPN right out of high school and has been in practice since 2016. After seven years in pediatric nursing she earned her BS in Biology. She joined MSCGW in 2022 as Dr. Crayton’s Clinical Research Coordinator, with a goal of becoming a physician assistant or doctor. She loves reading, movies, and time with friends and family.

Born in Bolivia and raised in Virginia, Mishely earned her BS in Biology from George Mason University and her accelerated BSN from Holy Family University. Before joining MSCGW she worked as a Clinical Technician and EMT in urgent care and emergency settings. She loves hiking, concerts, and pickup sports.

Fifi hails from Johannesburg, South Africa. She earned a Bachelor’s in corporate management from the University of Johannesburg and was drawn into healthcare as a certified nursing assistant. She has worked in home health, nursing homes, and plastic surgery. She loves traveling, dancing, good food, and catching up on sleep.

Originally from Los Angeles and proudly Peruvian, Cici earned her LPN from ECPI University and plans to pursue her RN. She brings experience in home health, pediatrics, and radiation oncology. Outside of work she loves family time with her niece and nephew, traveling, and exploring new restaurants and coffee shops.

Born and raised in New Jersey, Hannah quickly fell in love with Virginia after graduating from Liberty University’s nursing program. Her passion for nursing was sparked by years of volunteer work in nursing homes. She loves being active outdoors — especially frisbee, soccer, and running.

Laura has been with MSCGW since 2008, bringing 17 years of customer service experience in hospitality and banking, plus a Masters of Education from Old Dominion University. She is the first voice you hear on the phone and the first face you see at the front desk — and she loves every minute of it.

Matelie joined MSCGW in 2025, bringing four years as a dental assistant and over 12 years in customer service. She is pursuing an Associate’s Degree in Health Science at NVCC. A proud mother, she finds her greatest happiness in family — especially Disney park trips with her husband. She is dedicated to growing in healthcare with compassion and commitment.

Helen is an American Persian woman who relocated to the US in 1997 for religious freedom, later sponsoring other family members. She loves her three dogs — her “children.” Her hobbies include cooking and sewing, and she has been a licensed real estate agent since 2003. Helen has been MSCGW’s Medical Biller and Coder since 2013 and loves her job!