L. George Hershey, DO

Medical Director

George Hershey, DO, received his Doctor of Osteopathic Medicine from the Philadelphia College of Osteopathic Medicine, and is certified as a sports medicine physician. He specializes in family practice as well as sports medicine, and is motivated by his desire to serve the community. Dr. Hershey prides himself on his bedside manner that he believes resembles the original “country doctor” that would provide necessary house calls and make themselves available to their patients whenever needed.

Dr. Hershey is motivated by the desire to care for his patients, aiding them in achieving long-lasting wellness and allowing them to live their lives to the fullest.

Dr. Hershey loves camping, hunting, and spending as much time as he is able with his lovely wife and their pets. Dr. Hershey has served as the Northern Arizona University athletics team physician for the last 48 years. In this time, he has worked with both student and Olympic athletes to ensure their health, wellbeing, and peak performance.

Donna J Peace, MD, MSW

Family Physician

Donna J Peace, MD, MSW, is board certified in Family Medicine and finds joy in the intersection of family medicine and social work.  She specializes in the medical care of newborns through elders, including, well and sick childcare, care of adolescents, physicals, and care for medical concerns through adulthood and elders; this includes female care, office procedures such as joint injections, skin growth removal and treatment, IUD, Nexplanon, and other forms of contraception if desired, and end of life care.

Dr. Peace is fascinated by science and how the body and mind work, and truly enjoys helping others learn about their own body and what they can do to restore their health and stay healthy. She believes anyone can learn about and understand medicine and healing, if the time is taken to explain in understandable words. She also believes medical care does not need to be scary, and that medical visits are less scary when patients know what is going on, and why. Donna lives in a multiracial family, has worked among peoples and places different from her own ethnic, culture, and religious background, and has learned to appreciate all peoples’ sameness and diversity as human beings.

Dr. Peace is mom to four amazing kids, a member of the Baha’i faith, and speaks Spanish.

Pearlyn Tomosie, MD

Family Physician

Pearlyn Tomosie, MD, the first known Hopi physician, is medical board certified in Arizona and New Mexico, BLS/PALS/ACLS certified, and a proud NAU Lumberjack Alumni. Dr. Tomosie sees patients of all ages and backgrounds, but especially enjoys focusing on Women’s Health and pediatric/adolescent visits. Tomosie also enjoys health education and helping her patients understand their bodies and disease processes.

Dr. Tomosie grew up on a small reservation in Arizona with a goal to practice medicine in a small, rural, clinic setting while working primarily with underserved minorities. She is excited for her work at NACA because she believes that NACA is a great clinic that can afford her the opportunity to work in that rural clinic setting, all while being close to home and in the amazing town of Flagstaff.

Dr. Tomosie enjoys spending her time with her kids, and her family remains active in Hopi traditions and ceremonies, going back and forth between town and the Hopi reservation. In her spare time, Tomosie enjoys baking, reading books, and going for runs.