Stanford Health Care Tri-Valley Categories Hospitals 5575 W. Las Positas Blvd., Suite 300 Pleasanton CA 94588 (925) 847-3000 Visit Website Video Media Rep/Contact Info Monica Davilla × Monica Davilla Chief Nursing Officer Phone: (925) 734-3309 Send an Email Jenny Griggs × Jenny Griggs Patient Care Coordinator Phone: (925) 416-3562 Send an Email Christopher Lyons × Christopher Lyons VP, Human Resources Phone: (925) 409-6364 Send an Email Sophia Nekrawesh × Sophia Nekrawesh Executive Assistant Phone: (925) 847-3000 Cell Phone: (925) 872-3665 Send an Email Rick Shumway × Rick Shumway COO Phone: (925) 847-3000 Send an Email Share × Print Email Facebook Twitter LinkedIn Pinterest Tell a Friend ×