Peggy P. Tse, MD

Dr. Mangonon grew up in Long Beach and was surrounded by medicine at an early age, both of her grandparents were physicians. By learning about their professions, it piqued Dr. Mangonon’s interest and her grandmother, an internal medicine physician, served as her inspiration to pursue a career in medicine. Dr. Mangonon has always enjoyed working with kids and has worked with children in a variety of settings, including as a teacher in an after-school program, a camp counselor, and a nanny. Pediatrics allows her to practice her love for medicine along with her love for kids which is a fantastic combination! According to Dr. Mangonon, “I enjoy being able to watch kids grow up and experience every stage of life with them and their parents. It’s extremely rewarding that they trust me to care for them. As we grow together, our relationship grows as well. Before we know it, each visit feels like catching up with an old friend.” Dr. Mangonon focuses on being relatable, approachable and down to earth when working with her patients and their families. As a mom to a young child, she can relate to new parents well and aims to be open and develop a bond with each family. She received her medical degree from Virginia Commonwealth University School of Medicine and completed her residency, and served as Chief Resident, at University of California, Irvine / Children’s Hospital of Orange County. She works with children of all ages and happily accepting new patients. Fluent in Spanish, Dr. Mangonon enjoys her time away from the office with her husband, daughter and dog as well as eating desserts, specifically anything chocolate!

For Chih-Kuan (Linda) Wang, MD, being a pediatrician is something that comes naturally to her. She has always loved being around kids which is something that brings her much joy. With over 10 years of experience, she prides herself on being thorough with her patients and their families. Whether it is explaining a diagnosis, providing education on a new subject, or sharing her input, Dr. Wang makes sure she is providing all the facts and tools needed to help her patients be successful. Dr. Wang is a firm believer in taking the time with her patients and listening. She finds it especially rewarding to gain the trust of her patients’ parents, a responsibility she does not take lightly. As she states it best, “I treat my patients as if they are my own. I want to make sure they are being heard and that we are addressing all areas of their well-being.” After spending her high school years in Irvine, Dr. Wang chose to return to her birthplace and attended medical school in Taiwan at Taipei Medical College. She then completed her pediatric residency at Children’s Medical Center in Dayton, Ohio. Fluent in English, Mandarin and Taiwanese, Dr. Wang is an Irvine resident and enjoys being a mom of her two children and traveling.

Collaboration. That is the key to the success of Mandeep (Mona) Singh, MD as she approaches her patients with enthusiasm, vigor, and a big smile. By combining her two interests – kids and science – it made her choice to become a pediatrician an easy one. Dr. Singh has been practicing for nearly 10 years and during that time, she has found her career to be extremely rewarding and enjoyable. Her favorite parts of her job include having conversations with her patients and watching them grow over the years. As she says it best, “Kids are funny, little people that make me smile. I love the variety of patients and interactions I have.” She focuses on building a collaboration with every patient and their family to yield the ultimate results. As a pediatrician, she views her role as a facilitator and enjoys being a part of the team on the journey to good health. A Missouri native, Dr. Singh received her medical degree from University of Missouri, Columbia School of Medicine. Upon completion of medical school, she decided to come to California for her residency at University of California, Irvine and fell in love with the area. Outside of the office, Dr. Singh enjoys reading traveling, and being with family and friends.