Gerardo Guba, MD, is board certified in family medicine. Dr. Guba earned his medical degree from UC Irvine School of Medicine. He completed his internship and residency at Presbyterian Intercommunity Hospital in Whittier. Dr. Guba believes that patients need to be knowledgeable about their medical conditions so they can take an active role in their health care. In his spare... Read More about Gerardo Reyes Guba, MD

Daisha Ortega, MD, is board certified in family medicine. Dr. Ortega believes in patient education. She works closely with her patients to navigate complex health systems and find solutions to their health problems. Dr. Ortega is empathetic, friendly and a good listener. She creates care plans that help her patients reach their health goals. Dr. Ortega has experience with diabetes,... Read More about Daisha Corrin Ortega, MD

Zaw Ye, MD, practices general medicine. Dr. Ye pursued a career in health care to connect with people and help them live happy and healthy lives. He has cared for patients with diabetes, obesity and heart health challenges. Dr. Ye is an approachable problem solver. He takes time to listen to his patients, answer their questions and create care plans... Read More about Zaw Ye, MD

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).