Class of 2023

Meritus Family Medicine Residency Students

Kezia EllisonMarina Domatova, M.D., M.H.A., PA-C

Marina Domatova, M.D., M.H.A., PA-C, graduated from the American University of Integrative Sciences School of Medicine and Walden University in 2018, with her doctorate in medicine and a master’s in health care administration. She received her Bachelor of Science and physician assistant training from St. John’s University in New York, in 2008, and practiced as a urology, gastroenterology and cardiology PA before attending medical school. She participated in numerous projects, including implementation of an electronic health records system from the ground level. While pursuing her career as a doctor, she led and volunteered in school workshops and community outreach programs. Since 2018, she has been practicing as a family physician assistant in busy primary care and urgent care clinics. She enjoys teaching opportunities and has an interest in academic medicine and leadership. Fluent in both English and Russian, Dr. Domatova values diversity in her colleagues, patients and community. In her free time, she enjoys traveling, outdoor activities, painting and cooking.

Ryan GabrielChristopher Larrimore, D.O., M.S.

Christopher Larrimore, D.O., M.S., is a 2020 graduate of Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine in Florida. He received his Master of Science in biotechnology from Johns Hopkins University in Baltimore, and his Bachelor of Science in medical research and technology from the University of Maryland. During medical school, Dr. Larrimore completed a yearlong NSU Institute of Neuro-Immune Medicine research fellowship focused on methylfolate metabolism and myalgic encephalomyelitis and was awarded the Blue Ribbon Research Fellowship grant. Prior to completing his medical studies, Dr. Larrimore was a Gunner’s Mate in the US Coast Guard, stationed in New Orleans, La., and San Juan, Puerto Rico. He is originally from Maryland’s Eastern Shore. Dr. Larrimore has extensive laboratory and medical technology experience from a variety of Maryland hospitals and laboratories. He has worked as a student peer reviewer for the Journal of the American Osteopathic Association and authored numerous publications, including several on the art of medicine. Dr. Larrimore delights in exploring the heart of healing and believes that personal connection and trust are the basis for good medicine. He enjoys spending time with family, gardening, traveling and writing.

Umar JawaidMariana Leone, M.D., M.P.H.

Mariana Leone, M.D., M.P.H., received her medical degree from the Universidad Autónoma de Guadalajara Facultad de Medicina in Guadalajara, Mexico, in 2012, and her Master of Public Health from George Washington University, in Washington, D.C., in 2020. She completed her Bachelor of Science degree in biology and psychology at the University of Maryland. She is originally from Argentina and was raised in central Maryland. Dr. Leone has extensive work experience with the Pan American Health Organization/World Health Organization on arboviral diseases such as Zika, chikungunya, dengue and other infectious diseases. She received the Director General’s Reward for Excellence. Prior to her return to the U.S., she completed a yearlong internship and subsequently served as the only physician in a rural and underserved Mexican community, where she provided full-spectrum family medicine care. She also worked as an emergency physician and surgical assistant. Dr. Leone is motivated by a desire to respond to health priority needs in underserved communities through the integration of care. She enjoys rock climbing, yoga, kickboxing, hiking, paddle boarding and surfing.

Olaoye JegedeCaleb Lougheed, D.O.

Caleb Lougheed, D.O., received his medical degree in 2020 from the Philadelphia College of Osteopathic Medicine and his Bachelor of Science in chemistry from Shippensburg University in Pa. He is the recipient of several scholarships, including the Chambersburg Hospital Medical Student Scholarship. Prior to medicine, Dr. Lougheed worked as a substitute teacher in Washington County Public Schools and as a researcher on Ebola and HIV vaccines. Dr. Lougheed’s experience as a Peace Corps volunteer in Vanuatu focused on improving local sanitation and health hygiene. He has since traveled internationally as part of medical aid trips and assisted at a local food pantry. Dr. Lougheed believes that a physician should embody the meaning of the word doctor (docēre) – to teach. He enjoys reading, sports, dogs and trying new restaurants.

Serina Lewis
Opetomi “Tomi” Seriki, D.O., M.P.H.

Opetomi “Tomi” Seriki, D.O., M.P.H., received her medical degree from Rowan University School of Osteopathic Medicine in N.J., in 2018. She completed a surgical preliminary year in 2019, at the University of Texas Southwestern- Dallas. Dr. Seriki earned her Bachelor of Science in human biology, health and society at Cornell University in N.Y., her Master of Public Health from Drexel University in Pa., and completed pre-medicine coursework at the University of Pennsylvania. She served as the resident liaison for the National Medical Association - Dallas chapter and was elected for four successive years as her class’ Student National Medical Association representative. Dr. Seriki was the recipient of the Gold Award from Girl Scouts of America. During her master’s work, Dr. Seriki traveled to The Gambia, where she engaged in various public health projects that left a lasting mark on her motivation to become a physician. Dr. Seriki is a change maker who believes that education and information empower individuals to take control of their health even in difficult circumstances. In her time off, she enjoys sports, cooking, traveling and spending time with family and friends.

Algernon PrioleauRashmi Singh, D.O.

Rashmi Singh, D.O., is a 2019 graduate of Ohio University Heritage College of Osteopathic Medicine and completed a graduate certificate in gender, sexuality and health in 2020. She received her Bachelor of Science in biochemistry and molecular biology from the University of Maryland, Baltimore County. Prior to coming to Meritus Health, Dr. Singh worked within the Ohio University Department of Family Medicine in the diabetes wellness lab. Previous research included work at NIH. Dr. Singh has extensive volunteer experience supporting community diversity, gender equality, mental health and domestic violence awareness, as well as children’s health and education. She is also passionate about health care policy and advocated for several years with the American Medical Association at the state level. Her hundreds of hours of volunteering earned her multiple awards. As a family physician, Dr. Singh hopes to help patients of all ages and backgrounds trust the health care system as a safe place, without fear of judgement. Outside of medicine and advocacy, Dr. Singh spends time with her rescue dog, Copper and studying photography.