Yuma Regional Medical Center

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Family & Community Medicine Residency

Our exceptional faculty, share a passion for teaching and clinical education. They mentor and guide our community and family medicine residents; thereby, providing them with a comprehensive education and tools to practice family medicine.

Photo - Kristina Diaz.jpg Returning to Yuma after 15 years has been a wonderful experience for Dr. Kristina Diaz. A graduate of Yuma High School, she went on to earn her undergraduate degree at the University of Arizona and her medical degree from Ross University School of Medicine. She attended University of Kansas affiliated programs for her Family Medicine Residency and was appointed chief resident of her class.

Dr. Diaz enjoys caring for the entire family, but her true passion is caring for women and children. As a faculty member for our residency program, she precepts in all areas of our medical specialty.

Kristina Diaz, M.D.
Program Director

After being in private practice in Yuma for the last 30 years, Dr. Steven Anderson joined Yuma Regional Medical Center’s Family Medicine Center as a faculty member of the Graduate Medical Education (GME) program.  Dr. Anderson will serve as a teaching faculty member for the each incoming class of first-year family medicine residents.  Dr. Anderson received his medical degree from the University of Nevada in Reno and completed his residency in Family Medicine form Florida Hospital in Orlando and Holston Valley Hospital in Kingsport, TN. Dr. Anderson in fluent in Spanish and French. In his free time, he enjoys golf, bicycling, fishing and family activities.

Steve Anderson, M.D.
Family Medicine Center Medical Director



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Born and raised in Mexico, Dr. Lorena Jauregui is a graduate of Universidad Autonoma de Baja California Medical School in Mexicali. She completed her residency in Family Medicine at Cook County Hospital in Chicago where she received the Intern of the Year Award. Dr. Jauregui worked in a community health center in Washington State for eight years, providing the full spectrum of outpatient and inpatient adult medicine. She moved to Yuma in 2003 and accepted a position as medical director in a family medicine clinic and then as a solo practitioner. Dr. Jauregui joined the family and community medicine residency program in 2013. She enjoys exercise; in particular, kick boxing and biking, as well as camping and traveling with her husband and three children.

Lorena Jauregui, M.D.
Assistant Program Director


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Katarina was born and raised in Yuma. She received her master’s degree in Counseling, and a doctoral degree in Behavioral Health. She became passionate about the field of psychology after learning that the degree was a requirement to be an animal trainer at Sea World. She holds vast experience working with both children and adults in a variety of professional settings.

Katarina specializes in the treatment of children and adults with behavioral health concerns, focusing on behavioral issues in medical settings. In her free time, Katarina loves to spend time with her family and run. She has completed 3 marathons, including one while she was six months pregnant.

Katarina Olea, Ph.D.


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After completing her Internal Medicine Residency in Baltimore, Maryland, Dr. Jeanne Elnadry came to Yuma in 1990 to work with the Indian Health Service. This was followed by 10 years in private practice. From 2004-2014, she served as the Medical Director for Hospice of Yuma. In 2001, Dr. Elnadry, along with a team from the YRMC Bioethics Committee, established the hospital’s Palliative Care Consultation Service.

At present, Dr. Elnadry serves as Director of Supportive Care at YRMC. She enjoys gardening, and has a small urban farm at home.

Jeanne Elnadry, M.D.
Director of Geriatric and Supportive Care