Aubrey Ralston, M.D.

Dr. Aubrey Ralston grew up in Andover, KS, and attended Kansas State University, graduating with a degree in Biology and Leadership Studies. She attended University of Kansas School of Medicine in Kansas City for 2 years, then transferred home to the Wichita area for a more rural experience during her clinical years. It was during that time that she came to appreciate the full spectrum of care provided by family physicians. She completed residency in Family Medicine at the University of Arkansas for Medical Sciences Northwest in Fayetteville, Arkansas, and is board-certified.

Dr. Ralston has particular interest in the care of pediatrics, adolescents, maternity care, and geriatrics. She is enjoying “small town living” back home in Kansas with her husband and 3 young sons.

Lauren Ferrell, M.D.

Dr. Lauren Ferrell is a native of south-central Kansas and is a graduate of Lake Forest College in Lake Forest, Illinois. She obtained her medical degree from the University of Kansas School of Medicine — Kansas City and completed her residency at Smoky Hill Family Medicine Residency in Salina, Kansas.

Dr. Ferrell practices full-scope family medicine including obstetrical care and she has a special interest in rural healthcare. She is a member of the American Academy of Family Physicians as well as the Kansas Academy of Family Physicians. In her spare time, Dr. Ferrell enjoys running with her dog, playing volleyball and lending a hand on her family cattle ranch. She is excited to be practicing so near home.

Crystal Faudere, D.O.

Dr. Faudere is board certified by the American Board of Osteopathic Family Physicians in Family Medicine and Hospice/Palliative care. She served her family medicine and obstetrics residency at Via Christi Riverside Medical Center in Wichita, Ks. She graduated from the Kansas City University of Biosciences and Osteopathic Medicine in Kansas City, Mo.

She is also active with the Kansas Association of Osteopathic Medicine. She also serves as the Medical Director for Interim Hospice.

Russ McCaig, P.A.-C

Russ McCaig is a board certified Physician Assistant and graduated from Wichita State University in 1995 with a Bachelor Degree in Physician Assistant studies. Prior to that, he obtained a Bachelor Degree in Medical Technology from the University of Kansas Medical
Center in 1993, and a Bachelor Degree in Microbiology from Emporia State University in 1991.

He currently serves on the El Dorado Parks and Recreation Board. Russ, his wife, Staci, and their three daughters live in El Dorado.

Matt Aitchison, P.A.-C

Matt is a board certified Physician Assistant, graduating from Wichita State University in 2015 with a Masters Degree in Physician Assistant studies. He received a Bachelor Degree in Exercise Science from the University of Kansas in 2012. Prior that, he served 4 years in the United States Navy and embarked on two deployments in support of Operation Iraqi Freedom and Operation Enduring Freedom. Matt joined the El Dorado Clinic team in 2015.

He is a member of both the Kansas & American Academy of Physician Assistants. Matt grew up in the surrounding area and lives here with his wife Sammy and their two children.

Meet Our Providers

Meet Our Team

Aubrey Ralston, M.D.

Lauren Ferrell, M.D.

Diane Nightengale, M.D.

Crystal Faudere, D.O.

Russ McCaig, P.A.-C

Matt Aitchison, P.A.-C