John Muir Health Walnut Creek Medical Center
During her years with Cardiology Associates, Dr. Davis devoted significant energy to medical staff leadership at John Muir Medical Center. She served as Medical Director of the Critical Care Units, Chair of the Department of Cardiology, Chief of the Department of Medicine, Co-Chair of the Cross Campus Cardiovascular Service, and Chief of Staff of the hospital. She is currently Chair of the Physician Alignment Committee where she focuses on Physician contracting and cost of care issues. She is also the Chair of the Ad Hoc Woman Physician Leadership Group with a mission to mentor and support women Physicians in leadership. Dr. Davis is currently a board member of the John Muir Foundation; she has served on the Health System Board. She has been Chairman of the American Heart Association and was awarded the Bay Area “Heart of Gold” award in 2004.
Dr. Audrey "Lisa" Arzamendi is double board-certified in internal medicine and endocrinology. Since 2012, she has specialized in diabetes, obesity and metabolism, thyroid disease (including Hashimoto's and Graves'), polycystic ovary syndrome (PCOS) and sex hormone disorders, adrenal and pituitary dysfunction, osteoporosis, parathyroid/calcium disorders, and thyroid and parathyroid nodules and cancers. She is highly trained in ultrasound-guided fine-needle aspiration (FNA) biopsy of the thyroid (99% diagnostic rate).
Dr. Arzamendi is committed to safe and established medical treatments, and prides herself on staying informed about emerging therapies and research-supported non-prescription options. She is experienced working with all forms of brand-name and generic thyroid medications, and as a type 1 diabetic herself, has first-hand knowledge of nearly all available prescription and technological diabetic treatments, to best support patients in selecting their optimal diabetes treatment regimens.
Dr. Arzamendi graduated with honors from Stanford University, with a BA in Human Biology and a concentration in Health & Human Performance. She attended UC San Diego School of Medicine (receiving a federal NIH National Cancer Institute fellowship), and completed her internal medicine residency at Kaiser Pemanente’s Santa Clara Medical Center. Her endocrinology training was completed at UC Davis Medical Center. She previously practiced in California's South Bay before relocating to open her practice in Walnut Creek in 2020. Dr. Arzamendi was a Stanford varsity athlete and still enjoys running, hiking, tennis, rowing, and other outdoor activities. She loves spending time with her husband and many pets, and looks forward to being your doctor!
Medical School: Georgetown University School of Medicine in Washington DC
Internship: UC San Diego in California
Residency: UC San Diego in California
Fellowship: Scripps Clinic & Medical Research Foundation in La Jolla, California