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Administrative Staff


Michelle Costa has been with Dignity Health for almost 6 years. She has supported high-level administrators at both Mercy San Juan and Methodist Hospital. Michelle joined the Family Residency Program in August 2020. She has a Bachelor of Science in Business and Marketing. Michelle enjoys spending time with her husband, daughter, family, and two dogs Winnie & Blue, who all reside in Elk Grove.

Michelle Costa has been with Dignity Health for almost 6 years. She has supported high-level administrators at both Mercy San Juan and Methodist Hospital. Michelle joined the Family Residency Program in August 2020. She has a Bachelor of Science in Business and Marketing. Michelle enjoys spending time with her husband, daughter, family, and two dogs Winnie & Blue, who all reside in Elk Grove.


Mary Jane Lopez joined the Family Medicine Residency Program in March 2022. She lives in the Sacramento area with her husband (of 13 years) and her four children (2 girls & 2 boys)! She loves to spend as much time as she can with her family! She enjoys singing at the church she attends and watching sports.

Mary Jane Lopez joined the Family Medicine Residency Program in March 2022. She lives in the Sacramento area with her husband (of 13 years) and her four children (2 girls & 2 boys)! She loves to spend as much time as she can with her family! She enjoys singing at the church she attends and watching sports.