Yuma Regional Medical Center

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Family & Community Medicine Residency

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Simi was born and raised in Phoenix, Az. She completed her Bachelor of Science degree in Biology with a minor in Sociology at Arizona State University. Simi received her medical degree from Windsor University School of Medicine. She enjoys foreign and independent films, spending time with family, and good food.  She plans to volunteer for Doctors Without Borders upon completion of residency.

Simi Dhillon, MD
Chief Resident


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Natalia was born in Durango, Mexico and raised in San Luis only thirty minutes south of Yuma. She received her medical degree from the Universidad Autonoma de Baja California in Mexicali, where she was an assistant professor for the department of Microbiology and was actively involved in the student association. Natalia moved to Yuma four years ago, after marrying her husband. She enjoys time with her family, reading ancient history, travel and cooking. Natalia plans to do a subspecialty after completing residency so she can continue helping to improve health care in Yuma.

Natalia Galarza, M.D.


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Nina was born and raised in Richmond Hill, Ontario, Canada. She started her medical education in the United Kingdom and graduated Summa Cum Laude from American University of Antigua College of Medicine. Nina is very interested in health advocacy. She currently serves as the resident representative for the Arizona Academy of Family Physician Legislative Committee. Nina is also very active in the American Academy of Family Physicians. She believes in preventive medicine and takes a holistic approach to treating the patient. Nina has a passion for animals and has a rescue dog named Moushi. She enjoys hot yoga, mountain biking, hiking and running marathons.

Nina Greene, M.D.


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Although she was raised in Kuwait, Renee was born in Mumbai, India and has lived on and off in Yuma since 2010. Renee studied medicine and achieved her medical degree from the Universal College of Medical Sciences in Nepal. She enjoys playing sports, hiking, traveling, dancing and exploring new cultures.

Renee Monteiro, M.D.