Meet the Doctors
We are a husband and wife team offering comprehensive primary care for your family. Marc Avent DO and Olivia Bajor DO are board certified in Family Medicine, and are available to see infant, children, adult, and senior patients. We also have our Physician Assistant, Christopher Williams.
Dr. Avent was born and raised in Upland, California, and has strong ties to the community. After serving in the United States Army in Operation Desert Storm as a combat medic and operating room technician, he returned to school at Loma Linda University’s Emergency Medical Care program. He earned his medical degree from Western University of Health Sciences in Pomona, CA and completed his residency in Family Medicine at Arrowhead Regional Medical Center in Colton, CA. He was voted one of Inland Empire Magazine’s top doctors in 2008, and also works as a team physician for the Ontario Reign hockey team.
Dr. Bajor is a Southern California native, and returned to the West Coast after finishing her undergraduate degree at Vassar College in upstate New York. She earned her medical degree from Western University of Health Sciences in Pomona, CA. Dr. Bajor went on to complete her residency at Arrowhead Regional Medical Center in Colton, CA. Dr. Bajor takes special interest in wellness promotion and health education. She also serves on the Physician Advisory Committee for San Antonio Community Hospital’s electronic health records system.
Physician Assistant, Christopher Williams did Post Baccalaureate/Graduate Studies at University of La Verne, where he was honored as a National Dean’s list recipient and Chancellor’s List, before earning his Physician Assistant degree at Western University of Health Science in Pomona. Chris has been a Paramedic/Field Training Officer, functioning at the Advanced Life Support level as well an Urgent Care Physician Assistant and three years as an Emergency Room Physician Assistant.