Primary Care

Primary Care Providers include family practice physicians, internal medicine physicians, pediatricians, nurse practitioners and physician assistants. These providers manage the care of each patient by providing regular exams and screenings, treating chronic and acute illnesses and coordinating additional care for their patients. And many of our primary care providers now offer the added convenience of online scheduling.

Rural Health Primary Care is now accepting new patients with Medicare or Medi-Cal insurance.

Call 209-536-5100 or book online:

Bethany Bick
Book Online

Bethany Bick, NP, treats patients at Rural Health Primary Care. Bethany has many years of experience in family medicine and wound care settings. She treats patients of all ages, making her an excellent resource for the entire family.
Growing up with a parent in the healthcare field, Bethany aspired to practice medicine at a young age. She has always felt a calling to care for patients and become a healer.
Bethany joins Adventist Health Sonora after growing up in Murphys, California. In her spare time, she enjoys gardening, sculpting, drawing and spending time outdoors with her family. Appointments can be booked online or by calling 209-536-5100.

Timothy Day
Book Online

Timothy Day, PA-C is a board-certified physician assistant who plays a dual role, providing both orthopedic and primary care services. He works collaboratively with all of his patients to help them achieve their goals in a supportive, attentive environment. Primary care patients will find a full range of services for children and adults. Timothy provides wellness visits, sick visits, sports physicals, immunizations, and management of chronic illnesses and pain. Patients with Medicare or Medi-Cal insurance can schedule a primary care appointment online or by calling Rural Health Primary Care at 209-536-5100. For patients in need of orthopedic care, please see our Specialty Care page for office location information.

Kathryn Walker
Book Online

Kathryn Walker, FNP, is focused on providing comprehensive primary care for patients age 2 and older including annual well visits, diagnosis and treatment for acute illnesses, management for chronic conditions such as hypertension and diabetes, and special care for patients with depression, anxiety and addiction. “I have always been fascinated by the human body,” Walker explains. “I love helping others find happiness in their lives by experiencing good health and having energy to participate in the activities they enjoy."

Walker provides care exclusively using telehealth technology. Her patients visit the primary care office where a medical assistant checks vital signs such as blood pressure and temperature. Walker joins via video in the patient’s room to discuss health concerns and care plans. Appointments can be booked online or by calling 209-536-5100.

If you would like assistance finding a primary care provider, call our physician referral line at (209) 536-3344 or Request an Appointment.

Adventist Health Sonora offers comprehensive health services for the whole family. Our primary care medical office locations are listed below:

Primary Care

Adult Medicine
690 Guzzi Lane, Suite C&D, Sonora
209 -536-3820
Internal Medicine: Jason Jeffery, MD | Reiker Schultz, MD | Kyi Kyi Win, MD | Andrew Lo, MD | Carolee Ross, NP
Angels Camp Family Medical Office
445 S. Main Street, Angels Camp
209-736-0249
Family Practice: Sandra Shetzline, DO | Kelsey Belcourt, NP
Endocrinology: Donald Westbie, MD
General Surgery: Peter Oliver, MD
Arnold Family Medical Office
2037 Highway 4, Arnold
209-795-1270
Family Practice: Jeremiah Fillo, MD | Dolly Jacobs, NP
Cedarwood Internal Medicine
690 Guzzi Lane, Suite A, Sonora
209-536-5070
Internal Medicine: J. Frederick Shield, MD | Lisa Andrews, NP
Foothill Pediatrics
12791 Cabezut Road, Sonora
209-532-5524
Pediatrics: Sheila Ponzio, MD | Timothy Sullivan, MD
Greenley Primary Care
19747 Greenley Road, Sonora
209-536-3320
Family Practice: Mathea Salas, DO
Groveland Family Medical Office
18661 Highway 120, Groveland
209-962-7121
Family Practice: Steven Shield, MD | Michael Layton, PA-C
Health Pavilion Primary Care
900 Mono Way, Sonora
209-536-6925
Family Practice: Ryan Carey, DO | Michael Portillo, MD | Cindy Thomas, NP
Internal Medicine: Claudia Smith, NP
Sierra Internal Medicine
680 Guzzi Lane, Sonora
209-536-5790
Endocrinology: Donald Westbie, MD
Internal Medicine: Nancy Kerr-Schifrin, NP

Rural Health Care Services

Adventist Health Sonora Rural Health
193 S. Fairview Lane, Sonora

  • Dental Care, Suite J, 209-536-5140
  • Pediatric Care, Suite L, 209-536-5120
  • Primary Care, Suite B, 209-536-5100
  • Specialty Care, Suite C, 209-536-5135
    • Dermatology, Ear Nose and Throat, Endocrinology, Gastroenterology, General Surgery, Orthopedics, Pain Management, Physical Medicine and Rehabilitation, Podiatry, Psychiatry
  • Specialty Care, Suite F, 209-536-5110
    • Obstetrics and Gynecology
  • Behavioral Health, Suite K, 209-536-5144

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