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.png 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


Photo - Jeanne Elnadry.jpg  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

Margaret Russell, M.D
Core Faculity
Dr. Margaret Russell joined the faculty of the Family and Community Medicine Program in August 2016. She received her medical degree from St. George's University School of Medicine in Grenada and completed her residency in Family and Community Medicine at University of Nevada School of Medicine in Las Vegas. After practicing rural family medicine for several years, joining the teaching faculty at Yuma Regional Medical Center was a natural progression for her, as prior to becoming a physician, Dr. Russell was a high school science teacher. And, she was an Assistant Clinical Professor with the University of Nevada School of Medicine (Reno) teaching medical students and residents on their rural rotations. Dr. Russell looks forward to sharing her diverse experience with rural medicine in Nevada and Idaho with the residents.

Margaret grew up in northern Idaho where she came to love hiking, swimming, and snow skiing. Dr. Russell also enjoys sketching with pastels, sewing quilts, trying new recipes and playing the guitar. Best of all she loves to meet new people, make new friends and travel the world. Family has always been central for Dr. Russell and she prides herself in being number one auntie to 30 nieces and nephews.


Natalia Galarza, M.D
Junior Faculty
Natalia was born in Durango, Mexico and received her medical degree from Universidad Autonoma de Baja California, Mexicali. She has resided in Yuma since 2010 with her husband Gustavo and their young son Gustavo Alejandro. Natalia's mother is a family physician in San Luis, Rio Colorado, Mexico. She enjoys reading ancient history and loves to bake & cook – flourless chocolate cake and meat loaf are her specialties.
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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.