Lauren Elizabeth Fanning, MD

Being a mother of three young boys has instilled in Dr. Birkhauser a strong desire to keep children as healthy as possible by emphasizing preventive medicine.“Sick kids break my heart, so my goal is to work as a team with parents to get children healthy and keep them that way,” says Dr. Birkhauser, who is excited to be a part of Hoag Medical Group. She hopes to become an educational resource for parents on a wide variety of medical and childrearing topics. “I treat my patients as I would want my own children to be treated,” she says.Prior to joining Hoag Medical Group, Dr. Birkhauser was the Chief Resident of Pediatrics at UCI Medical Center. She earned her medical degree from Rosalind Franklin University of Medicine and Science in North Chicago, IL. Her other work experience includes editing and writing on a variety medical topics for online and printed publications.When she’s not taking care of her young sons and patients, Dr. Birkhauser enjoys cooking, mystery novels, and classic rock music.

As a board-certified Allergist and Immunologist for Hoag Medical Group, Dr. Aranez welcomes both pediatric and adult patients. Some of the common conditions she treats include food allergies, asthma, eczema, environmental allergies, sinusitis, hives and primary immunodeficiencies. Working in a rapidly evolving field, Dr. Aranez places a focus on collaboration with her patients toward a shared goal. As someone that struggled with allergies, Dr. Aranez understands the impact it has on one’s quality of life and the importance of a physician who can relate to their patients. Dr. Aranez is excited to be a part of Hoag and looks forward to serving the local community. As she states, “I enjoy the interaction with my patients and watching them overcome challenges. I want my patients to know that I am here to help them in any way I can.” She earned her medical degree from Ross University School of Medicine and went on to complete her pediatrics residency and allergy & immunology fellowship at the State University of New York at Buffalo. She is also fluent in Vietnamese. In her spare time outside of work, Dr. Aranez enjoys spending time with her husband and children, trying new cuisines, traveling and being outdoors.