Logo, Moorpark Family Medical Clinic - Medical Clinic

(805) 523-5400
612 Spring Road, Building A, Moorpark, CA 93021

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Dr. John Ippolito


Dr. John Ippolito, MD graduated from the Keck School of Medicine at the University of Southern California in 1992.  He completed his residency at Ventura County Medical Center and has been practicing family medicine in Ventura County for 21 years.

Dr. Jones


Dr. Amy Jones, MD studied medicine at the Stritch School of Medicine at Loyola University of Chicago.  She completed her residency at VCMC in 2006 and began practicing family medicine at Moorpark Family Medical Clinic.


Dr. Mueller

Dr. Khristina Mueller, MD studied medicine at the University of Texas Southwestern Medical Center at Dallas.  She completed her residency in 2004 at VCMC. She has been practicing family medicine at Moorpark Family Medical Center since 2007.



Christine Simbulan, FNP earned a Master’s of Science Degree in Nursing in 2013.  She completed her Nurse Practitioner training at Moorpark Family Medical Clinic and is now working here as a Certified Family Nurse Practitioner.

Dr. Bezema

 Dr. Erik Bezema, MD earned a degree in biochemistry in 1994 from the University of California at Los Angeles.  In 1998, he received his master’s degree from California State University.  He continued on to Medical School and graduated in 2004 from Saint George’s University.  Since then, he has been practicing as a primary care physician and joined the medical staff at Moorpark Family Medical Clinic in 2014.

Peggy Jung, FNP earned a degree in physiological science at UCLA in 2010, an then studied nursing at John Hopkins University. She returned to Los Angeles and worked as an RN in the Neurosurgery & Trauma ICU at Ronald Reagan UCLA Medical Center for 4 years before completing her Masters in Nursing at UCLA in 2016. She began her career as a family Nurse Practitioner in a private practice internal medicine & cardiology clinic in LA before joining the staff at Moorpark Family Medical Clinic. She enjoys eating out, hiking, swimming, sleeping and traveling.

 Dr. Joanna Gibbons, DO earned both her Bachelor's and Master's in Applied Cognition and Neuroscience at the University of Texas at Dallas. She studied medicine at the Texas College of Osteopathic Medicine and spent an additional year completing an undergraduate fellowship in Osteophatic Manipulative Treatment and Neurovascular Medicine. After graduation, she and her family moved to California for her Family Medicine Residency at VCMC. She enjoys long walks on the beach and charting.

Silvia Ramos

Silvia Ramos, FNP earned a Bachelor's of Science in Nursing at California State University, Dominguez Hills in 2011. She earned her Master of Science in Nursing at Walden University in 2017. She has worked as an RN at VCMC in various critical care departments for the past 20 years. She is also bilingual. She enjoys eating out, swimming, watching movies and spending time with family.