Our Mission

To work together as a team to provide exceptional, professional, patient-oriented health care. Treat our patients as family; demonstrating compassion and respect for them both in the office and out in the community. Provide education and resources, enabling our patients to make informed lifestyle and health care decisions, maximizing their health and well-being.

About Us 

Dr. Joseph C. Barbara has been practicing family medicine and serving the Gilroy community for over thirty years. His son, John Barbara PA-C joined the practice in 2008 and Amy Bannister FNP joined the practice in 2021.  All providers and staff members are bilingual in English and Spanish and take the time to answer all questions and thoroughly explain your medical conditions allowing you to make informed decisions regarding your individual care. Our office contracts with most insurances, which means if your insurance changes, you can usually continue using us as your Primary Care Provider.  Our team of staff members can assist you with anything you might need when it comes to your medical care.  The staff here at Dr. Barbara’s office have been with the practice for many, many years.  We pride ourselves on knowing you when you call and all of your family members.

Meet Our Providers

Dr. Joseph C. Barbara

Dr. Barbara has been serving the Gilroy, Morgan Hill, and Hollister communities for over thirty years. Dr. Barbara completed his undergraduate degree at Santa Clara University before graduated Medical School and completed residency from the Medical College of Wisconsin at Marquette University. He is married to Paula Barbara of Morgan Hill, CA. They have five children and nine grandchildren. Dr. Barbara is bilingual in English and Spanish. Dr. Barbara’s philosophy is to identify and treat the cause of a medical condition rather than just the symptoms. Dr. Barbara’s philosophy on pain management has been the same for over 50 years.  He believes the body can heal when given the right treatment.  We have a team of specialists we refer to that can create a plan to treat any musculoskeletal condition.  Dr. Barbara has spent his life’s work dedicated to the health and wellness in the Gilroy community and he considers all of you our family.


John P. Barbara, PA-C

John Barbara PA-C has been practicing medicine since 2008. He completed his undergraduate degree at Whitman College in Walla Walla, WA.  John completed the Physician Assistant program at San Joaquin Valley College in Visalia, CA. He is married to Brooke Barbara and together they have two daughters. John is bilingual in English and Spanish. John first became interested in health and wellness when he was a professional fitness trainer. John takes his passion for diet and nutrition and provides guidance for our patients on healthy lifestyle choices.  John’s moto is treat the whole person, not the disease.  When a patient is first diagnosed with diabetes or high cholesterol, John can walk them through weight loss tactics, lifestyle modifications and different approaches to these medical conditions.  John’s patients describe him as someone who changed their life because he always takes the time to address each concern and cares so much about creating a better lifestyle for them.

Amy Bannister, FNP

Amy Banniser FNP joined our practice in 2021.  She completed her Bachelors in Nursing at Azusa Pacific University in San Diego, CA and finished her Masters of Science Nursing at Samuel Merritt University in Oakland, CA.  Amy is taking the lead in women’s health when it comes to hormones, thyroid and infertility issues.  Women tend to suffer in silence and just coop with their ever changing bodies.  Amy takes the time to listen and come up with a plan on how to treat each patient’s concerns, even when your labs come back “normal.”  You will be immediately comfortable sharing with Amy and she will get you on the right path to feeling more like yourself again.