Our medical staff is committed to providing high-quality care to the community — and focused on your overall health. Learn more about who we are and what we do. Better health together begins with a connection and learning more about each other.

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Ingrid Bauer, MD

Dr. Ingrid Bauer knows that sometimes nature is the best medicine – or at least part of the treatment – for better health.

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Joseph Britton, MD

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Michelle Britton, Clinical Pharmacist

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Juan Alberto Chavez, DDS

Being very health conscious, Dr. Chavez likes to help patients in their quest to keep good oral habits in order to maintain healthy gums and teeth.

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Polly Conley, PNP

Polly joins Western Sierra from 14 years of private practice in Roseville. She has a Masters in Pediatrics from University of California, San Francisco and she received her BSN from Brigham Young University.

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Daniel Barry, PA

Former Army medic Daniel Barry feels at home as Physician Assistant in Downieville clinic Downieville is a great fit for Daniel Barry. The community, where …

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Michael Duffy, PA

Physician Assistant Michael Duffy brings extensive primary-care experience and a specialty for treating wounds to Penn Valley clinic Physician Assistant Michael Duffy has helped develop …

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Michael Curtis, MD

Michael E. Curtis, MD received his advanced training from the University of Pittsburg Medical School in 1983 and participated in the Residency Training Pediatrician program at the Naval Hospital San Diego.

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Andrea Gekas, NP, CNM

Drea is a women’s health nurse practitioner and certified nurse midwife (CNM). She graduated from Georgetown University, adding her advanced practice nursing to her Master’s …

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Kirsten George, PA

Kirsten George handles the health care needs of newborns to seniors. She joined Western Sierra in 2015.

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Peter Harris, MD

Dr. Pete Harris is committed to community health, from helping families in some of the most remote areas of South America to newborns in Nevada County.

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Faye Jensen, MD

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Thomas Jacobs, DPM

Dr. Jacobs earned his undergraduate degree from University of California, Davis, and a medical degree from the California College of Podiatric Medicine in the Bay Area.

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Joseph Lambert, MD

Dr. Lambert, who started practicing pediatrics in Nevada County in the 1970s, has traded annual checkups, flu shots and growth charts for conversations – often difficult ones – to help children with issues from clinical depression to those considering suicide.

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Sharon McIntyre, MD

From helping mothers deliver babies to providing medical care for soldiers and their families, Dr. Sharon McIntyre has built a career caring for others.

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Elizabeth Miltner, DDS

Dr. Elizabeth Miltner believes accessible, affordable, quality health care is important for a healthy community.
“I’ve always been an advocate for public health,” she says. “Access to care is very important.”

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Robert Olson, PA

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Jay Patt, DC

Chiropractic treatment has become more mainstream the past few decades and is a viable option to “control pain without opiates,” he said. Chiropractic care is the “largest non-drug medical practice in the world.”

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Diana Petros, NP

Family nurse practitioner Diana Petros knows firsthand the importance of community clinics – the health care foundation for many patients.

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Carla Pharris, MD

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Sara Rittenhouse, NP

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 …

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Doris Royer

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

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Susan Shapiro, MD

Dr. Susan E. Shapiro – who has practiced medicine for more than four decades, including 20 years in Auburn – has joined Western Sierra Medical Clinic as a primary care provider.

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Tetsuya Shirasuka, DDS

Dr. Tetsuya Shirasuka, D.D.S., has 30-years of experience as a dentist, providing patients of all ages with dental care in a variety of practice settings.

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Karen Walker, PA

  Physician Assistant Karen Walker embraces a second career with a commitment to providing quality care A caring health provider who connects with patients and …

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Sarah Woerner, MD

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

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Marcy Pierce, PA-C

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Lindsay Fredrickson, NP

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Stacie La Jeunesse, NP

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Taylor Jabusch, PA

Taylor Jabusch: Being a Physician Assistant is ‘what I’ve been dreaming about’ Physician Assistant Taylor Jabusch is aware of the challenges – and the critical …

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Brian Evans, MD

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