Robert A. Mickel, M.D., Ph.D., F.A.C.S. graduated from the University of Pennsylvania, School of Medicine in 1977. Two years later, he received a Doctor of Philosophy from and completed a Postdoctoral Fellowship in the University of Pennsylvania’s Department of Pharmacology. Dr. Mickel completed his surgical internship at the University of California, San Diego in 1980 and four years later completed his residency training in Head and Neck Surgery at the University of California, Los Angeles. In 1984, Dr. Mickel joined the full-time academic faculty of the Division of Head and Neck Surgery, UCLA School of Medicine as an Assistant Professor. He later advanced to an Associated Professor. While in Los Angeles, he was an attending physician at the UCLA Medical Center and the Veteran’s Administration Medical Center in Los Angeles. He was co-Chief and later Chief of the Head and Neck Surgery Section at the VA Medical Center. Dr. Mickel moved to San Francisco in 1993 to establish a private practice. He is currently on active staff at the California Pacific Medical Center and the Presidio Surgery Center. His clinical interests include general adult and pediatric otolaryngology, sinus disease, sleep disorders, and head and neck oncologic and endocrine surgery. Dr. Mickel has special interest in research and teaching. His efforts have led to awards from the UCLA Division of Head and Neck Surgery, Academy of Otolaryngology/Head and Neck Surgery and the American Society for Head and Neck Surgery. He is an author on over 50 scientific abstracts and articles.
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: University of Pennsylvania School of Medicine
Internship: University of California, San Diego, Department of Surgery
Residency: Otolaryngology/Head and Neck Surgery, University of California Los Angeles
Fellowship: University of Pennsylvania, Department of Pharmacology
