Leadership Team

nathan davisNathan Davis, M.D.

Dr. Nathan Davis is Board Certified in Child and Adolescent Psychiatry. He is from Norman, Oklahoma and is very engaged in his field. In 2004, Dr. Davis was the junior author of a medical study that looked into the minds and lives of Hurricane Katrina survivors who relocated to Oklahoma after the tragedy.

He received his medical degree from and completed his psychiatric residency at the University of Oklahoma in June 2011. Dr. Davis completed his fellowship in Child and Adolescent Psychiatry at the University of Oklahoma’s Department of Psychiatry. He currently works at Cedar Ridge Psychiatric Hospital, a mental health treatment center for adults and seniors.

His area of expertise is primarily Child and Adolescent Psychiatry and crisis evaluation, stabilization, and intervention. In addition to balancing his work experience and education fellowship, Dr. Davis is a member of several psychiatric organizations including the American Psychiatric Association.

Weixin LuWeixin Lu, M.D.

Dr. Weixin Lu is Board Certified in General Psychiatry. Prior to that he was a research cardiologist, so he has an extensive and impressive list of publications. He has co-authored and been a part of numerous studies from breast cancer to new drugs and clinical remedies. He has received several grants for his research, including a grant from the U.S. Army Medical and Material Command.

Dr. Lu attended Shanghai Medical University where he received his M.D. and fellowship training. He previously worked as a resident psychiatrist at Griffin Memorial Hospital and in 2015, he completed his Oklahoma residency training.

Yana JarmanYana Jarman, DO

Dr. Yana Jarman is Board Certified in General Psychiatry and is fluent in Russian and English. This enables her to help break down language barriers that keep patients and families from succeeding in their journeys to healing.

Dr. Jarman received her Doctorate of Osteopathic Medicine from Oklahoma State University in 2003. She was also on the list of “Who’s Who Among American Medical Students” in 2002. Since then, she has worked at a number of facilities, both private and public. She has held numerous leadership positions in her career, including Medical Director of Southern Plains Treatment Center and Medical Director at Red Rock Behavioral Health. Dr. Jarman is a member of the American Osteopathic Association and the American Psychiatric Association.