Nurse Practitioner Sara Rittenhouse brings experience in several areas, including substance use disorder services, pediatrics and women’s health. She earned her doctoral degree in Advanced Practice Nursing from the University of Massachusetts Medical School in spring 2020, graduated into the COVID-19 pandemic and began a journey in public service. She believes that education is often…

Addiction Management

Doris has more than 15 years of experience counseling adults and adolescents with substance abuse disorders (SUD).

Dr. Lynne Scannell brings more than three decades of pediatric experience Being close to Lake Tahoe and boasting some of the best mountain biking in the state were attractive draws for Dr. Lynne Scannell to Nevada County. But the ability to connect with patients in a rural community also scored high on her wish list.…

Women’s Health Nurse Practitioner Morgan Stewart: ‘This has been my lifelong dream of helping people at this level’ Morgan Stewart is embracing a dream come true – helping women with their health care needs. “I still have to pinch myself,” says Stewart, a recent Women’s Health Nurse Practitioner graduate who joined Western Sierra in October…

Nancy Madrigal Villalpando works primarily out of WSMC’s Penn Valley clinic. She graduated from the University of California, Davis with a bachelor’s degree in microbiology and later pursued a Doctor of Chiropractic Degree from Palmer College of Chiropractic, West Campus. Born and raised around the Yuba City area, she isn’t new to the small-town living.…

  Physician Assistant Karen Walker embraces a second career with a commitment to providing quality care A caring health provider who connects with patients and keeps up with the latest medical news can make a huge – and sometimes even life-changing – difference. Just ask Karen Walker. She battled a health issue that was misdiagnosed…

MD, Pediatrics

“Dr. Sarah” grew up in Nevada City, has been a practicing pediatrician since 1982 and speaks fluent Spanish.