Dr. Min Young Cha is an American Board Certified Internal Medicine physician with more than 30 years of medical practice experience. He is the founder, President and CEO of Seoul Medical Group. Graduating from the College of Medicine at Seoul National University in Seoul, Korea, Dr. Cha is a certified doctor of medicine in Korea. He completed his internship and residency at the LAC-USC Medical Center Department of Internal Medicine. 

Known for his tireless commitment to his patients' needs, Dr. Cha is one of the area's leading Korean-American physicians, committing his time and talents to educating the community about disease prevention and better health. He is a frequent commentator about healthy living in the Korea Times and on various Korean TV stations. His lectures about prevention are held all over Los Angeles. Families, seniors and adults of all ages call upon Dr. Cha for his guidance and direction when it comes to their health. Seniors in particular find his bedside manner and in-office visits very rewarding, both clinically and socially.

Dr. Kyung Han is a highly trained Internal Medicine physician who has more than 20 years of private practice experience in Los Angeles. Dr. Han spent a few years practicing Internal Medicine at the Burbank Medical Clinic before launching his own private practice and joining Seoul Medical Group. Board certified with the American Board of Internal Medicine, Dr. Han currently has hospital privileges at St. Vincent Medical Hospital in Los Angeles. Born and raised in Seoul, Korea, Dr. Han completed his medical degree at Paulista Medical School in Sao Paulo, Brazil. Shortly after graduating, Dr. Han entered into a residency program at the Paulista Medical School specializing in Internal Medicine. Additionally, he completed another residency at the St. Elizabeth Hospital in Youngstown, Ohio in 1986.

Dr. Han’s medical philosophy is that the practice of medicine is both an art and a science. He puts his patients' needs first and foremost. He says his best medical tool is listening to each patient and fully understanding what is going on in their lives. He is an active tennis player who also contributes much of his spare time to his local church.

Dr. Dong Hoon Kim is a board certified Pediatrician specializing in Neonatology with more than 25 years of medical experience. Dr. Kim currently serves as the Chief Medical Officer for the Seoul Medical Group and continues his practice as the Medical Director for the Neonatal Intensive Care Unit (NICU) at PIH-Health Hospital in Downey. He is also an active member of the Korean American Pediatric Society, helping build relationships among Pediatricians and addressing general issues in the practice of Pediatric medicine. Graduating from the College of Medicine of Seoul National University in South Korea, he completed his internship and residency training in General Pediatrics at Creighton University in Omaha, Nebraska. Dr. Kim finished his fellowship training in Neonatology at LAC-USC Medical Center in 1988 and finally established the NICU at Downey Hospital in April of 1992. Dr. Dong Hoon Kim dedicates his life to his practice by implementing the use of preventive medicine and attending to pediatric patients in a timely manner to improve the overall quality of patient care.

Dr. George In is a leader in the Korean-American medical community and donates his time and energy to many educational groups. A board certified family practitioner with 30 years of experience in Family Practice medicine, Dr. In currently serves as Medical Director of the Seoul Medical Group. Dr. In obtained his medical degree from UC Irvine's College of Medicine in Irvine, California and completed his family practice residency at the USC / California Medical Center Los Angeles in 1990.

As a family practice physician, Dr. In focuses on prevention of disease for his patients through preventive health maintenance before any major diseases occur. Dr. In is multi-lingual in Korean, Japanese and English and strives to give great care to his patients in a culturally sensitive and caring manner. Dr. In enjoys skiing, playing golf and travelling with his family.

Dr. Jason Paek is a board certified Internal Medicine physician in private practice at his Golden Springs Medical Clinic. Dr. Paek received his medical degree from Medical College of Wisconsin and completed his residency at LAC-USC Medical Center in 1988. Dr. Paek's principal practice is Internal Medicine and he also specializes in Hepatology (liver). The clinic's primary care services include blood tests, electrocardiograms (EKGs), x-rays, and ultrasounds. His patient care includes all ages except infants and children under ten years. The clinic has been serving the residents of Diamond Bar since 2002.

Dr. Paek is devoted to the care and health of his patients and believes in maintaining a comfortable environment and providing services to all patients of all backgrounds. Dr. Paek enjoys reading, physical training and gardening.