Optum is a leading information and technology-enabled health services business dedicated to helping make the health system work better for everyone. With more than 180,000 people worldwide, Optum delivers intelligent, integrated solutions that help to modernize the health system and improve overall population health. Optum is part of UnitedHealth Group (NYSE:UNH).

“Empowering women through patient education and compassionate care.”Dr. Lam is board-certified by the American Board of Obstetrics and Gynecology. Her interests include minimally invasive gynecologic surgery, including vaginal hysterectomy, transitions from puberty through menopause, and creating a safe and encouraging environment. She believes care should be built on trust with a soft but precise touch and plenty of good humor.... Read More about Kim T. Lam, MD

Dr. Lau enjoyed working as a camp counselor for children with HIV during college and was amazed by their strength and resiliency. This experience inspired her to pursue a career where she could work and help sick children, and thus began her journey to becoming a pediatrician. What Dr. Lau loves most about her job is the kids. Their infectious... Read More about Amy X. Lau, MD

Dr. Krause’s exposure to the field of medicine began at a very early age when she accompanied her parents to doctor visits for her sick sister. It was during these visits that she had first-hand experience observing doctors and got an up-close view that sparked her interest in a career in medicine. Over the past 10 years, Dr. Krause has... Read More about Rachael I. Krause, MD

Dr. Surell is a featured primary care provider specializing in Family Medicine at Hoag. Dr. Surell treats patients of all ages and focuses on building relationships with her patients to help provide the best care possible. She enjoys patient education, chronic disease management and working together with her patients to help them live healthier lives. Dr. Surell joined Hoag because... Read More about Floragrace P. Surell, MD

Dr. Serang knew at a young age that she wanted to have a positive impact on people. It was serving as her parents’ health care advocate during their medical appointments that she quickly learned the importance of a strong doctor-patient relationship. These experiences reinforced her passion and led her to pursue a career as a physician with the interest of... Read More about Rukhsana M. Serang, DO

Dr. Khau is the son of hair stylists and recalls his childhood years spending time at the salon and observing how his parents and clients shared their stories and the relationship they developed. These fond memories and experiences are what drew Dr. Khau to career that allowed him the opportunity to build meaningful and lasting relationships. As the first physician... Read More about Eric Khau, MD

Dr. Stephen Chang is a board-certified UCI Health family medicine physician who specializes in primary care medicine. His clinical interests include obesity medicine, integrative health, preventive care and the management of chronic conditions, including diabetes, high blood pressure and high cholesterol. He earned his medical degree at Rush University Medical College in Chicago, Ill. He completed a residency in family... Read More about Stephen Chang, MD

Dr. Susie Kim is a board-certified UCI Health physician who specializes in family medicine. She has a special interest in adolescent medicine, women's health and preventive health. Kim earned her medical degree at the David Geffen School of Medicine at UCLA. She completed an internship and a residency in family medicine at UCI School of Medicine. Kim treats all kinds... Read More about Susie Kim, MD

Dr. Brian Y. Kim is a board-certified UCI Health specialist in family and sports medicine. He provides multidisciplinary care for active individuals, with a particular focus on runners and female athletes. His clinical interests include metabolic bone health, overuse injuries, sports health and nutrition. He is currently a team physician for the UCI athletics program. Kim earned his medical degree... Read More about Brian Y. Kim, MD

Dr. Karen L. Babel is a board-certified UCI Health physician who specializes in family medicine. Her clinical interests include preventive care for children, adolescents and adults, with an emphasis on diabetes, high cholesterol, high blood pressure and women's health. Babel earned her medical degree at the Medical College of Wisconsin in Milwaukee. She completed an internship and family medicine residency... Read More about Karen L. Babel, MD