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Dr. Ron Ostrom, DO, Medical Director

Dr. Ronald Ostrom is an Emergency Medicine physician in the County of Kern. He is affiliated with multiple hospitals in the area, including Bakersfield Heart Hospital, Mercy Hospitals of Bakersfield, as well as the Medical Director for Hall Ambulance. Dr. Ostrom received his medical degree from the College of Osteopathic Medicine of the Pacific and has been in practice for 20 years. He is one of 5 providers, as well as the Medical Director of the West Side Family health Care Facility. Dr. Ostrom resides in Bakersfield with his wife and 2 children.


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Heather Bosma, Family Nurse Practitioner-Certified

Heather Bosma obtained a bachelor of science in nursing from Fresno State in 2005. She worked as a pediatric nurse for several years at Valley Children’s Hospital in Madera and Cottage Children’s Hospital in Santa Barbara. After receiving her master of science in nursing and school nurse credential from California State University Bakersfield in 2010, she worked as the school nurse for Taft City Schools and Taft High School. She received her Family Nurse Practitioner certificate from Western University of Health Sciences in 2013. Heather is dedicated to providing comprehensive health care and promoting healthy choices for individuals and the community.


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Elizabeth Bell, MSN, RN, Family Nurse Practitioner-Certified

Beth is a Family Nurse Practitioner and Board Certified by the American Association of Nurse Practitioners. Born and raised in Bakersfield, CA;. she began her nursing career in 2011, working as a Registered Nurse in the Intensive Care Unit. Beth holds both a Bachelor’s Degree and Master’s Degree in Nursing from California State University, Bakersfield.

Beth is dedicated to serving the residents of West Kern County. She is qualified to diagnose and treat a wide array of conditions across the entire lifespan and believes in working collaboratively with each individual to achieve their best possible state of health.


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Abundio Castillo, MSN, RN, PHN, Family Nurse Practitioner-Certified

Abundio Castillo was born in Mexico and moved to the United States in 1993. In Mexico, he studied Business administration, but always wanted to work in the medical field. During his career as RN he held many positions from staff nurse to director and manager of the emergency room at dignity hospitals in Bakersfield. Abundio moved to Bakersfield about 13 years ago, and has been working to serve the Kern County community and he found out that a lot of people lack the medical care attention, therefore, to better serve our community, he went back to school to become a Family Nurse Practitioner. He graduated in 2018 from Charles R. Drew University School of Medicine and Science. Since then, and has been working at Memorial Hospital ER, Priority Urgent Care and currently at West side Family Health Care  in Taft. Abundio is bilingual in Spanish and English. He feels  rewarded to be able to help our Kern county community. Abundio is happily married and has 4 children. 


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Dorian Reed, Physician Assistant-Certified 

Dorian Reed has been a practicing Certified Physician (PA-C) Assistant since 2005, he specializes in Acute Care, Emergency and Sports Medicine. Although Dorian is from the San Diego area, he has practiced in Kern County since 2015. Dorian graduated from Stanford School of Medicine in 2004.  Before becoming a PA-C Dorian served in the US Navy as a Corpsman/Medic for 5 years active duty, then served in the US Coast Guard as a Corpsman/Medic for an additional 3 years. 






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Eric Walker, Doctor of Chiropractic 

Dr. Eric Walker is a licensed and Board-Certified Doctor of Chiropractic since 2008. He also has a Certified Chiropractic Sports Physician (CCSP®). Dr. received his BS in Kinesiology (Pre-Physical therapy) from San Diego State University and his Doctor of Chiropractic degree from Palmer College of Chiropractic West in San Jose, CA. He is also currently a co-owner of Active Life Chiropractic in Bakersfield, CA. Dr. Walker resides in Bakersfield with his wife and 3 children.


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Jason Sabol, Doctor of Chiropractic 

Dr. Jason Sabol is a licensed and board-certified Chiropractor in California and has been practicing 23+ years. He earned his chiropractic degree at Palmer West Chiropractic College. He is a Bakersfield native who resides in Bakersfield with his wife and 2 children. His years of experience has allowed him to treat injuries and conditions of patients with great success through chiropractic care.




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Dr. Rucker, MD, General Medicine

Dr. Burnett Rucker is a General Practice Physician of more than 40 years. Dr. Rucker obtained his Bachelor of Science Degree from Howard University and his Doctor of Medicine Degree from Meharry Medical College. Dr. Rucker has worked at numerous hospitals and clinics across the United States including in Louisiana, Mississippi, Arkansas and California treating both adults and pediatric patients. Dr. Rucker has practiced medicine in Kern County for over 20 years, most recently serving as the Medical Director of the Taft Federal Correctional Institution until its closure in 2020. Dr. Rucker started working as a Per Diem Provider for the District’s at its West Side Urgent Care in 2004 and continues to treat both primary care and urgent care patients at the District’s Rural Health Clinic - West Side Family Health Care. Dr. Rucker was born and raised in the Bakersfield/Taft area and attended Taft High School playing on the football and track teams and was later inducted into the Howard University Track Hall of Fame. Dr. Rucker and his wife live in Bakersfield and have 6 children and 4 grandchildren.


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Randy Taylor, MSN, RN, Family Nurse Practitioner- Certified

Randy Taylor has been actively involved in the medical profession since 1991. Prior to and during this time, he served in the Army/Army National Guard for ten years, was a member of the San Luis Obispo County Sheriff's Search and Rescue, served as an EMT/Paramedic here in Kern County, and contributed to the healthcare profession as a Nurse/Charge Nurse with Mercy Hospitals of Bakersfield - Emergency Department, Southwest Campus. He received his Associate Degree in Nursing from Bakersfield College in 2008, his Bachelor of Science in Nursing from Saint Mary's University in 2017, and his Master's in Nursing from Walden University in 2020.  Randy has served the local communities in Kern County as a Nurse Practitioner providing primary and emergency health care at Pinnacle Primary  Healthcare, the Emergency Department at Mercy Hospitals of Bakersfield, and West Side Family Health Care. Randy's experience stems from many years of serving the people of Kern County in numerous capacities at various levels. Randy is passionate about providing comprehensive healthcare that improves the quality of life for his patients and their families. Randy is happily married and has one adult son. 


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Dr. Hilvers, MD, Family Medicine 

Tamara Hilvers was born in Bakersfield, CA and graduated from California State University of Bakersfield with her Bachelor of Science Degree. She worked for several years as a Laboratory Technician at Kern Medical Center in Bakersfield, CA before going on to obtain her medical degree from Ross University School of Medicine. She joined West Side Family Health Care Clinic after completing her residency in Bakersfield, CA. Dr. Hilvers is a Board-Certified Family Medicine Physician who is able to treat children, adults and senior patients.