Immunology and Rheumatology Clinic in Portola Valley

At the Sports Cardiology Performance Testing in Portola Valley, our highly trained doctors utilize cutting-edge technology to objectively assess an athlete's aerobic fitness. Our sports cardiologist, Dr. Jason Tso, and exercise physiologist, Dr. Jeffrey Christle, will first meet with you to discuss your goals, analyze your VO2 max test results and create a personalized plan to achieve peak performance.

General Cardiology in Portola Valley, part of Stanford Health Care, specializes in the treatment of cardiovascular diseases, providing advanced care to over 5,000 patients annually from around the world. Their expert team employs an interdisciplinary approach to ensure the best possible outcomes for patients with established diagnoses, guiding them on the right treatment pathways. Stanford Health Care is recognized for its exceptional patient care, supported by a wide range of guest services and amenities for patients and visitors. The organization has also earned recognition from the Human Rights Campaign Foundation for its commitment to healthcare equality. Generated from the website

Jean Gillon, MD, FACS, is board certified in both general and vascular surgery. After 8 years at San Francisco General Hospital covering vascular trauma followed by 20 years of managing her own private practice in Northern California, she now treats vascular patients at the Stanford Health Care Heart and Vascular Clinic in Portola Valley. She is a clinical associate professor in the Department of Surgery, Division of Vascular and Endovascular Surgery at Stanford University School of Medicine.