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.
Third Year Residents
Tomasz Sebastian Gregory Fudalewski, M.D.
Dr. Fudalewski was born in Montreal, Quebec, and grew up in Toronto. He earned his medical degree from Poznan University of Medical Sciences. His medical interests include the full scope of Family Medicine, but specifically community medicine, urgent care and sports medicine. Dr. Fudalewski is excited to become an active member of the lovely community in Yuma. He feels privileged to be working alongside his co-residents and attending physicians. His interests include spending time with family and friends, playing the guitar, 80s music, cooking, mixed martial arts, baseball, burritos, cardiovascular activity and all things comedy.
Marvyn Grayson, M.D.
Dr. Grayson graduated from Marshall University School of Medicine in his home state of West Virgina. He completed his first year of residency in medicine/pediatrics at West Virginia University in Morgantown, West Virginia. Dr. Grayson will focus his efforts on serving the underprivileged through community outreach, volunteer work and taking care of the whole patient. After residency, he plans to start a practice in an underserved area with his twin brother, who is also a family medicine resident. In his spare time, Dr. Grayson enjoys running, weightlifting, reading, basketball and traveling.
Uchechukwu Oba, M.D.
Dr. Uchechukwu is from Terra Haute, Indiana. He earned his medical degree from the University of Medicine and Health, Saint Kitts in the West Indies. After residency, Uchechukwu plans to begin a fellowship program in either Emergency Medicine or Obstetrics. Uchechukwu spends his spare time volunteering at homeless shelters, playing soccer, doing strength training and participating in mixed martial arts.
Eduardo Sandoval, M.D.
Dr. Sandoval was born in Chihuahua, Mexico, and grew up in El Paso, Texas. He earned his medical degree from Texas Tech School of Medicine in Lubbock, Texas. His areas of medical interest include emergency medicine, community outreach, clinical research and academic medicine. Dr. Sandoval’s interests include rock climbing, cooking and meditating.
Edsel Sandoval, M.D.
Dr. Sandoval was born in Los Angeles and grew up in Tijuana, Mexico. He earned his medical degree from University of Kansas School of Medicine. He plans to pursue a fellowship in emergency medicine or sports medicine. Dr. Sandoval’s interests include mixed martial arts, soccer, hiking, working out and watching movies.
Alfonso Téllez II, M.D.
Dr. Téllez was born in Tucson and grew up in Yuma. He earned his medical degree from University of Arizona. He is excited to return to Yuma and work in the community to promote events and health education to benefit the underserved. After residency, Dr. Téllez plans to continue with a fellowship program in emergency medicine or sports medicine. In his free time, he enjoys cycling, soccer, hiking, movies, cooking and planning trips to new places.
Arun Varughese, M.D.
Dr. Arun Thomas Varughese was born in the United Arab Emirates and grew up in Houston, Texas. He earned his medical degree from Ross University School of Medicine. His areas of medical interest include preventative medicine, medical education and the availability of healthcare to underserved populations. His ultimate goal is to work in family medicine, caring for patients of all ages. Dr. Varughese’s interests include playing tennis, running and spending time with family and friends.
Second Year Residents
Arthur Ayvazian, M.D.
Dr. Arthur Ayvazian was born and raised in Los Angeles. He studied Pre-med at University of California, Irvine and earned his medical degree from Ross University School of Medicine. His areas of clinic interest include: Sports medicine, rehabilitation, nutrition, preventative medicine and community medicine. He hopes to use skills through global outreach and humanitarianism to help improve access to healthcare for the underserved. Dr. Ayvazian enjoys cooking, camping, hiking, SCUBA diving, traveling, fitness and hockey.
Richard P. Kozinski, M.D.
Dr. Richard P. Kozinski grew up in Chugiak, Alaska. Before moving to Yuma, he lived in Goodyear, Ariz. He earned his medical degree from Medical University in Lodz, Poland. His clinic areas of interest area are diabetes and rheumatology. In his spare time, Dr. Kozinski enjoys hiking, cooking, cycling and traveling.
Kelley Lizarraga, M.D.
Dr. Kelley Lizarraga was born and raised in Santa Monica, Calif., the daughter of immigrant parents from Lima, Peru. She completed my bachelor’s degree in Cell and Molecular Biology at San Diego State University and earned her medical degree from Universidad Autonoma de Guadalajara. Her clinical areas of interest include working in community-based medicine, focusing on patient and family-centered care, and striving to reduce healthcare disparities. In her spare time, Dr. Lizarraga enjoys working out, swimming, traveling, making jewelry and spending quality time with my family.
Steffano Mottl, M.D.
Dr. Steffano Mottl was born in Lima, Peru, but considers Pensacola, Florida, to be his hometown. He earned his medical degree from St. George's University in Grenada. His area of clinic interest is sports medicine. This year, he launched a medical campaign in Coya, Peru, that helped provide medical attention for people with poor access to specialty care. Dr. Mottl’s personal interests include traveling, meditating, praying, listening to coaching podcasts, playing soccer and surfing.
Kelvin Ng, M.D.
Dr. Kelvin Ng was born in Hong Kong and grew up in San Francisco. He earned his medical degree from Ross University. His clinical areas of interest include sports medicine, integrative medicine, and global health. Dr. Ng’s personal interests range from triathlons and endurance sports to playing the ukulele.
Lauren Novitskie, M.D.
Dr. Lauren Novitskie was born and raised in Vineland, New Jersey. She earned her medical degree from St. George's University, Grenada. Her clinical areas of interest include emergency medicine and sports medicine. In her spare time, Dr. Novitskie enjoys running, playing basketball, working out and spending time with family and friends.
Daniel Placik, M.D.
Dr. Daniel Placik was born and raised in Los Angeles. He earned his medical degree from Universidad Autonóma de Guadalajara. His areas of clinical interest include public health, sports medicine, and urgent care. Dr. Placik’s personal interests include maintaining an active lifestyle, playing piano, enjoying an occasional basketball game and spending quality time with family.
First Year Residents
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.
Tamara Sanderson-Dissanayake, M.D.
Dr. Tamara Sanderson-Dissanayke was born in Baltimore, Maryland, and raised in a small Massachusetts town. She worked as a medical technologist in a laboratory in Boston before deciding to become a physician. She obtained her medical degree from Indiana University School of Medicine followed by a Master's in Public Health from Oregon Health & Science University - Portland State University. Dr. Sanderson’s clinical interests include managing chronic conditions, nutrition, mental health and preventive medicine. She hopes her future career involves working in an underserved area and advocating for the needs of healthy communities. In her spare time, 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 pursed 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.