Our residents come from around the country and around the world, bringing with them a wide variety of unique experiences and perspectives as they continue their medical studies at Yuma Regional Medical Center.
Matthew Bishop, M.D.
Dr. Matthew Bishop was born and raised in San Diego, California. He studied biology at the University of San Diego and earned his medical degree from Ross University School of Medicine. Dr. Bishop's patient care philosophy centers around improving his patients' health literacy and health empowerment, while delivering culturally sensitive care. He holds particular clinical interests in preventive medicine and global health. His pastimes include cooking, traveling and camping with his wife and son.
Osa Guobadia, M.D.
Dr. Guobadia was born and raised in Nigeria. He earned his medical degree from Ross University School of Medicine. His areas of clinical interest include a mixture of inpatient and ambulatory medicine. Dr. Guobadia’s patient care philosophy revolves around his belief that healthcare is a universal human right and that all patients should have access to affordable, high-quality care. In his spare time, he enjoys sports and current affairs.
Carlos A. Mancilla, Jr., M.D.
Dr. Mancilla was born in New York City and grew up in Albany, NY. He earned his medical degree from SUNY Upstate Medical University in Syracuse, NY. His areas of clinical interest include emergency medicine, urgent care, surgery, rural medicine and obesity medicine. Dr. Mancilla describes his care philosophy as excellent medical care delivered with empathy, compassion and respect. His personal interests include soccer, strength training and spending time with friends and family.
Tamara Sanderson-Dissanayake, M.D.
Dr. Sanderson was born in Baltimore and raised in a small Massachusetts town. She worked as a laboratory medical technologist in Boston before becoming a physician. She earned her medical degree from the Indiana University School of Medicine and an MPH from Oregon Health & Science University - Portland State University. Dr. Sanderson’s clinical interests include chronic conditions, nutrition, mental health and preventive medicine. She hopes her career involves working in an underserved area and advocating for healthy communities. She enjoys outdoor activities with her husband and friends, container gardening, fitness, knitting, cooking and dancing.
Palak Satija, M.D.
Dr. Palak Satija was born in New Delhi, India and moved to Calgary, Alberta, Canada in her youth. She earned her medical degree from the Medical University of Lodz in Lodz, Poland. She believes in being the patient's strongest advocate during their entire healthcare journey, while providing care that is respectful of and responsive to individual patient preferences, needs and values. Dr. Satija's areas of clinical interest include community outreach, preventative medicine, nutrition and global health. In her spare time, Dr. Satija enjoys maintaining an active lifestyle, traveling, watching tennis and spending quality time with family and friends.
Aaron Shumway, M.D.
Dr. Aaron Shumway was born in Austin, Texas, to a military family. He spent his childhood in Wetumpka, Alabama, but considers Chandler, Arizona, his hometown. He earned his medical degree from Ross University School of Medicine. His clinical interests include rural medicine and women’s health. In his spare time, he enjoys reading, playing games and spending time with his three children.
Wesley Luke Taylor, M.D.
Dr. Wesley Luke Taylor is originally from Johnson City, Tennessee. He earned his medical degree from the American University of Integrative Sciences School of Medicine in St. Michael, Barbados. He also holds an MBA from Davenport University in Grand Rapids, Michigan. His areas of clinical interest include leadership in healthcare, rural community medicine, nutritional and gastrointestinal disease, sports medicine and behavioral health. When he’s not practicing medicine, Dr. Taylor loves spending time with his family usually while enjoying outdoor activities, like running, biking, camping, swimming, hiking or fishing.
Silas Wiefelspuett, M.D.
Dr. Silas Wiefelspuett was born and raised in Aachen, Germany. He pursued his undergraduate degree at the University of Victoria in Victoria, British Columbia, Canada as well as a graduate degree in physiotherapy at the University of British Columbia in Vancouver, British Columbia, Canada. He attended medical school at Saint James School of Medicine in Anguilla. His clinical interests include obstetrics, border health, sports medicine and rural family medicine. Dr. Wiefelspuett enjoys spending time in the outdoors with his family as well as participating in trail running, climbing and skiing.
Kristianne Amurao, M.D.
Dr. Amurao was born in Sacramento, California, and grew up in Roseville, California. She earned her medical degree from Ross University School of Medicine. Her clinical areas of interest include sports medicine, integrative medicine and community outreach. Her patient care philosophy involves taking care of not only the disease, but the person as a whole — caring for their physical and mental well-being. In her spare time, she enjoys fitness activities, Pilates, and spending time with family.
Dina Bacon, M.D.
Dr. Bacon was born in Alexandria, Louisiana, but grew up in the town of Elizabeth. She earned her medical degree from Atlantic University School of Medicine, St. Lucia. Her areas of clinical interest include family medicine, emergency medicine, sports medicine and medical education. Dr. Bacon’s patient care philosophy focuses on treating each patient as an individual and providing them with the care that a doctor would want for her family members. Her personal interests include going to the beach, a “secret love” for fishing, traveling, container gardening and spending time with her family.
Lee Barnwell, M.D.
Dr. Barnwell was born in Lancaster, Ohio, but considers Beaver Dam, Kentucky, to be home. He earned his medical degree from the University of Medicine and Health Sciences in St. Kitts. His clinical areas of interest include rural community medicine, sports medicine, leadership in health care and pediatrics. Dr. Barnwell’s patient care philosophy focuses on providing compassionate, respectful care to all patients as they navigate the healthcare system. His personal interests include spending time with his wife and daughter, singing karaoke, playing tennis and swimming.
Stephanie Clark, M.D.
Dr. Clark was born and raised in Queens, New York. She earned her medical degree from St. James School of Medicine Anguilla. Her clinical areas of interest include all aspects of family medicine, sports medicine and urgent care. Dr. Clark’s patient care philosophy focuses on care for the whole patient, taking into account their individual social, cultural, and medical needs. She stresses the need to educate patients and family members about their disease or illness, teaching them the behaviors needed to promote their recovery and long-term well-being. Her personal interests include cheering for Real Madrid, working with her hands and tackling home renovations.
Michael McCullagh, M.D.
Dr. McCullagh was born and raised in Ottawa, Canada. He earned his medical degree at the University of Medicine and Health Sciences, St. Kitts and Nevis. His clinical areas of interest include caring for the underserved, global health and emergency care. Dr. McCullagh’s patient care philosophy involves reaching beyond the doctor's office through educational initiatives, raising awareness of systemic healthcare disparities and investing in integrative and preventative medicine. His personal interests include being outdoors, traveling, hiking, camping and exploring new places.
Nafisah Naqvi, M.D.
Dr. Naqvi was born and raised in Southern California. She earned her medical degree at Ross University, which offered the “humbling opportunity” to experience her first two years of medicine on the island of Dominica. She attended her final two years of medical school at California Hospital Medical Center in Los Angeles. Her clinical interests include pediatrics and women's health. Dr. Naqvi’s patient care philosophy focuses on her role as a patient educator. She empowers them with the knowledge to exercise a greater role in their well-being. Her personal interests include nature, going on walks and jogs, the gym, reading and spending time with family and friends.
Neil Navarrez, M.D.
Dr. Neil Navarrez was born and raised in Los Angeles, California. He studied biology at the University of California in Santa Barbara and earned his medical degree from St. George's University School of Medicine in Grenada. After completing an intern year in internal medicine, Dr. Navarrez decided to switch to family medicine. His clinical interests include preventative medicine, global health and community outreach. He appreciates the privilege of forming long-term relationships with patients and caring for entire families. He hopes the residency experience will provide him with a unique vantage point to tailor care to each patient's medical needs. When he's not practicing medicine, Dr. Navarrez likes spending time with his wife and dog while enjoying hiking, kayaking, playing basketball and other outdoor activities.
Mina Tawadrous, M.D.
Dr. Tawadrous was born in Cairo, Egypt, but grew up in Kuwait and the United States. He considers Claremont, California, to be home. He earned his medical degree from St. George's University in Grenada. His areas of clinical interest include community and underserved medicine. Dr. Tawadrous’s patient care philosophy involves treating every patient as if he was treating a member of his own family. His personal interests include working on cars, attending car-related events, playing soccer, listening to music and playing the piano.
Sana Aman, M.D.
Dr. Sana Aman is originally from Ottawa, Ontario, Canada, where she completed her undergraduate degree in psychology at Carleton University. She earned her medical degree from the University of Medicine and Health Sciences in St. Kitts & Nevis. Dr. Aman's clinical interests are ever-expanding and currently lie in urgent care, preventive medicine, behavioral science and aesthetic medicine. Her patient care philosophy involves a down-to-earth approach of connecting with her patients. She has an interest in helping underserved communities and strives to help patients understand the healthcare system and their individual health. In her spare time, Dr. Aman enjoys outdoor activities, traveling, blogging and meeting new people.
Zainab Amin, M.D.
Dr. Zainab Amin was born and raised in Lahore, Pakistan. She earned her medical degree from the Washington University of Health and Science in Belize. Women's health and obstetrics comprise some of Dr. Amin's keen areas of clinical interest. After completing her residency, her dream is to pursue a family medicine obstetrics fellowship. When she is not practicing medicine, Dr. Amin loves to spend time with her family and enjoy outdoor activities.
Reina Ayala, M.D.
Dr. Reina Ayala is originally from San Diego, California. She received her medical degree at the Universidad Autonoma de Guadalajara, Mexico. Before receiving her medical degree, she studied biology at the University of California Berkeley, where she discovered her passion for medicine. Dr. Ayala strives to increase community partnerships, eliminate health disparities and promote health literacy. She is especially dedicated to providing care to the underserved, including the elderly and minority communities. When she is not practicing medicine, she is committed to her two young children, tutoring, running, hiking and going to the gym.
Ludny Charles, M.D.
Dr. Ludny Charles was born in Brooklyn, New York and raised in Irvington, New Jersey. She earned her medical degree from the University of Medicine & Health Sciences in St. Kitts. Her areas of clinical interests include community outreach, global health, nutrition and preventive medicine. Her future career plans include training in underserved communities that face significant health disparities. Dr. Charles enjoys spending quality time with family and friends, as well as traveling, cooking, dancing and outdoor activities.
Cullen Copeland, M.D.
Dr. Cullen Copeland is originally from Livingston, Tennessee. He obtained his undergraduate degree from Lincoln Memorial University in Harrogate, Tennessee. After working as an emergency medicine technician at the University of Tennessee Knoxville for twelve years, he decided to pursue a career as a physician. Dr. Copeland earned his medical degree from St. James School of Medicine in Anguilla, West Indies. His clinical interests include emergency medicine, women's care, pediatrics and global missionary work. In his spare time, he enjoys the great outdoors with his wife and children, golfing, traveling and medical mission work.
Pamela Cuebas, M.D.
Dr. Pamela Cuebas was born in San Juan, Puerto Rico. She completed her undergraduate education at the University of Puerto Rico in San Juan, Puerto Rico. Then, she attended medical school at the University of Health Sciences in St. Kitts. Her care philosophy is to treat the patient as a whole and incorporate physical, mental and social aspects of health. Dr. Cuebas applies holistic and integrative medicine whenever possible. She believes that physicians should always be involved in patient education. Her clinical interests include lifestyle medicine, preventative medicine and women's health. In her spare time, she enjoys practicing yoga, getting together with family and friends, playing board games, going on road trips and salsa dancing.
Nicole Daniel, M.D.
Dr. Nicole Daniel was born and raised in Toronto, Canada. She earned her medical degree from the Medical University of Lodz in Lodz, Poland. Her clinical areas of interest include preventative medicine, nutrition, rural medicine, global health and community medicine. Dr. Daniel has a special interest in helping the underserved, and she uses an empathetic and attentive approach with all her patients. Her personal interests include spending time with her family and friends, weight lifting, traveling, discovering new food spots and outdoor activities such as hiking, skiing and biking.
Veerauo Konkankit, M.D.
Dr. Veerauo Konkankit was born and raised in Los Angeles, California. She earned her bachelor of biological sciences degree from UC Irvine in Irvine, California. She then pursued a master of physiological science from UCLA in Los Angeles, California, and a medical doctorate from Saint James School of Medicine in Anguilla. Dr. Konkankit's areas of clinical interest include ambulatory and hospital medicine, lifestyle and integrative medicine, community medicine and sports medicine. She is a strong advocate for her patients and believes in the importance of working together with patients as a team. Her love of medicine has taken Dr. Konkankit around the country to advance research and care for patients in diverse settings. She hopes to use her experiences to encourage and mentor young adults who aspire to a medical career. She enjoys cooking, gardening, working out and spending time outdoors with her husband and children.