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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Juan Alberto Chavez

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

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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Michael Curtis

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

Andrea Gekas, NP, CNM

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Kristen George

Kirsten George, PA

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

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Lora Lee Grutkowski

Lora Lee Grutkowski, FNP

Lora Lee is a Family Nurse Practitioner and medical and emergency care provider at the Downieville site clinic.

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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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Trish Hartman

Trish Hartman

Patricia “Trish” Hartman provides substance abuse counseling at Western Sierra’s Placer County health centers in Auburn and Kings Beach (Tahoe).

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Thomas Jacobs

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

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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Christina Lasich

Christina Lasich, MD

Since Dr. Lasich joined Western Sierra, the health care group is now the largest nonprofit health care provider in the region has also greatly expanded medical services, including urgent care, an on-site pharmacy and specialists.

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Sharon McIntyre

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

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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Bridgett Morris

Bridgett Morris, LVN

Bridgett brings more than 10 years of experience in health care, including working in the Emergency Room at Sierra Nevada Memorial Hospital and in private practice.

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Bamidele Olatunbosun, MD

Dr. Bamidele Olatunbosun has practiced medicine in inner cities and rural communities, always with the same commitment to provide accessible, quality health care to patients.

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Jay Patt

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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Robert Plantz

Robert Plantz, PA-C

From annual exams to chronic conditions and minor procedures, the former Marine corpsman has three decades of health care experience – and helping patients in smaller communities and even halfway around the world.

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Doris Royer

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

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

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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Donna Tully

Donna Tully, PA

Donna Tully, a Physician Assistant, works in the Grass Valley health center in Urgent Care and Family Medicine.

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Douglas Wagner

Douglas Wagner, MD

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Sarah Woerner

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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