Female Urology, Female Reconstructive, Urologic Oncology
Kenneth C. Hsiao M.D., has been practicing in Contra Costa County since 2007. Prior to joining the John Muir Medical Staff, he served as an Assistant Professor of Urology at the Indiana University School of Medicine. While there, he specialized in treatment of urinary incontinence, pelvic floor reconstruction, and sexual dysfunction. He earned his undergraduate and medical degrees at Brown University, and completed his urology residency at Emory University. He completed his fellowship training in voiding dysfunction and pelvic floor reconstruction at Virginia Mason Medical Center, Seattle, Washington. He also served as a visiting scholar in the University of Washington’s Department of Urology. Dr. Hsiao’s is an accomplished laparoscopic and robotic surgeon with expertise in urologic oncology, kidney stone disease, general urology and no-scalpel vasectomy. His clinical interests include minimally invasive treatment of urinary incontinence, voiding dysfunction, pelvic floor reconstruction, sexual dysfunction, and urological prosthesis surgery. In his free time Dr. Hsiao enjoys spending time with his wife and 2 children, and he is also an avid golfer and musician.
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: Brown University School of Medicine
Internship: Surgery – Emory University
Residency: Urology – Emory University
Fellowship: Voiding Dysfunction and Pelvic Floor Reconstruction – Virginia Mason Medical Center