Novato Community Hospital
John Muir Health Walnut Creek Medical Center
Dr. Ruben Kalra provides integrative and empathetic care to patients in pain. Born and raised in California and trained at Harvard in anesthesiology and pain management, Dr. Kalra is both affable and approachable. He completed an anesthesia and critical care residency at Harvard’s Brigham and Women’s hospital. He also completed a pain management fellowship at Brigham and Women’s Hospital. This program enabled him to learn first-hand from the Brigham’s pioneering pain treatment techniques. Dr. Kalra maintains double board certifications in anesthesiology and pain medicine. He was the Chairman of the Cross-Campus Pain Management Team for the John Muir Walnut Creek & Concord Hospitals from 2010 to 2015 and serves as a board member for the California Society of Interventional Pain Physicians. Dr. Kalra is an invited pain management expert for Grand Rounds. Dr. Kalra is the treating physician for the California Highway Patrol and hundreds of firefighters and law enforcement in the state of California. Dr. Kalra has an avid interest in mindful meditation and the use of minimally invasive techniques for the relief of neck and back pain. Dr. Kalra speaks Spanish as well as conversational Mandarin Chinese, Italian, Hindi, Bulgarian, and Haitian Creole. He enjoys surfing, barbecuing, yoga, and gardening. Dr. Kalra was the first and only physician in Marin and Sonoma counties to offer the Minimally Invasive Lumbar Decompression (MILD) procedure, a cutting-edge treatment for spinal stenosis.
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: Keck School of Medicine University of Southern California in Los Angeles
Residency: Harvard’s Brigham and Women’s Hospital in Boston Massachusetts
Fellowship: Brigham and Women’s Hospital in Boston Massachusetts