Mainline Health Systems

Behavioral Health Providers

The highly skilled behavioral health staff at Mainline Health Systems provide compassionate care in six well-equipped offices in Dermott, Eudora, Portland, Monticello, Wilmot, and Star City, Arkansas.

Nina Jefferson, PsyD, ABPP

Nina Jefferson

Dr. Nina Jefferson is a board certified clinical psychologist who has experience in the behavioral health field for over 14 years. Dr. Jefferson earned her B.S. in Psychology in 2001, M.A. in Clinical Psychology in 2004 and doctorate degree (PsyD) in Clinical Psychology in 2008 from Georgia School of Professional Psychology. Dr. Jefferson works with all ages in individual, family and group therapy. She has extensive experience and training in cognitive behavior therapy (CBT), behavior therapy, family therapy, solution-focused therapy, as well as other treatment modalities. Through her extensive training and work experiences, she has developed expertise in both assessment (psychological testing) and treatment (psychotherapy), diagnostic assessment evaluations, trauma treatment, crisis intervention, parenting skills, behavioral management, attention-deficit/hyperactivity disorder (ADHD), school/learning problems, social skills training, anger management, psycho-educational assessments, family conflict and other psychological issues. Dr. Jefferson strives to uphold superior quality work in order to best serve the individuals she treats and welcomes a collaborative approach involving the patient and clinician with a common goal of improving quality of life through psychological services. She is the Behavioral Health Director for Mainline Health Systems, Inc.


Joseph Drumm, DO

Joseph Drumm

Joseph C. Drumm, DO received his Bachelor of Science in Health Science at Southern Adventist University in Tennessee. He then received his Doctorate of Osteopathy from Lincoln Memorial University-DeBusk College of Osteopathic Medicine before joining the Psychiatry Residence program at the University of Texas Health Service Center San Antonio.

After graduating he moved to Arkansas and joined the Mainline Health Systems team.

He is currently accepting new patients at our Dermott and Monticello clinics.