Shaun A. Frost, PA-C, brings over 30 years of medical experience and a decade of ear, nose and throat experience to BASS Medical Group. A certified physician assistant, Shaun sees patients at two of our San Jose locations and will also practice at our Morgan Hill location when it opens later this year. Shaun is originally from New Hampshire and served in the U.S. Marine Corps as a field medic. During his time with the Marines, he had the honor of serving on the Presidential Helicopter Team (HMX-1) under Presidents George H.W. Bush and Bill Clinton. After leaving the Navy, Shaun worked at a high-tech company in Silicon Valley as a member of their emergency medical response team and computer technical development group. Looking for new challenges, he attended the Stanford Physician Assistant Program where he served as class president. After graduation, he was hired at the Stanford Cancer Center in head and neck surgical oncology department. In addition to this, he worked a second job in family practice. He held these jobs for almost ten years before joining the team at BASS. Shaun works with patients of all ages and has a special interest in helping other veterans recover from cancer and improve their lives. Shaun is married to his wife, Katy, a labor and delivery nurse. Together they have four children. He recently welcomed his first granddaughter. Shaun’s personal interests include camping and backpacking with his family, California wine and watching football (NFL and College).
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: Physician Assistant Program
Stanford University in California