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Scientific Advisory Board

Walter J. Duffy, M.D.

Walter J. Duffy, M.D.

Member, RiverMend Health Scientific Advisory Board

CEO/Owner/Founder of Premier Psychiatric Group, LLC (PPG)

My Clinical Expertise:

  • Transcranial Magnetic Stimulation (TMS)
  • Psychiatry

Dr. Duffy is the CEO/Owner/Founder of Premier Psychiatric Group, LLC (PPG) and Premier Psychiatric Research Institute, LLC (PPRI), and Premier Psych TMS. He is Board Certified in Child/Adolescent and Adult Psychiatry. He graduated from Vanderbilt University School of Medicine in Nashville, TN and then completed his residency training at Dwight D. Eisenhower Army Medical Center (DDEAM) in Georgia and his Child Fellowship in a combined program with DDEAM and the University of Georgia. Originally from Shenandoah, IA, Dr. Duffy and his wife have been married for 29 years and have three sons and two daughters-in-law.

Dr. Duffy performs diagnostic evaluations and provides medication management. He is committed to bringing patients the best, most up-to-date and comprehensive services available. In 2011 he began offering Transcranial Magnetic Stimulation for treatment-resistant major depressive disorder (TR-MDD) and other illnesses. TMS is a non-invasive, FDA-approved treatment procedure for TR-MDD. Dr. Duffy and PPG have quickly become national leaders in this treatment having already treated more than 450 patients while performing more than 10,000 treatment sessions with close to 75% of patients having successful outcomes. PPG also offers Pharmacogenetics, the testing of a patient’s DNA to help find the most effective medication. PPG has used Pharmacogenetics in over 500 patients with great results. Additional services that PPG offers include Sleep Studies, NEBA EEG, and Ketamine treatments.

Dr. Duffy's clinical interests include the majority of diagnoses across the child, adolescent and adult spectrum of disorders. He has extensive experience with ADHD; Asperger's, Autism and other pervasive developmental disorders; behavioral problems; Depression; Bipolar disorder; OCD, PTSD and other anxiety disorders; Eating disorders; Traumatic brain injury, Sleep problems; Tourette's and other tic disorders; Alzheimer's; Schizophrenia and other psychotic disorders; Alcohol abuse; Substance abuse; and others. Dr. Duffy especially enjoys challenges in regard to correct diagnosing and medication management.

Dr. Duffy also enjoys clinical research and thus established PPRI in 2003, again making available to patients the fullest range of treatments. His institute has completed numerous stage 2, 3 and 4 pharmaceutical studies involving children, adolescents and adults. PPRI works with central IRBs and has been sought out for the excellent enrollment and cleanliness of data it delivers. Dr. Duffy’s interest in research began during residency when he was awarded the Lilly Research Award in Psychiatry.

Dr. Duffy has invested PPG’s resources to make behavioral healthcare services accessible to all Nebraskans and those beyond. Toward that end PPG has worked to create a large telehealth network and now provides access to our services via on-site or telehealth clinics reaching across Nebraska and into surrounding states.

Dr. Duffy engages in forensic work as well as consultation work with a number of companies. Dr. Duffy and PPG excel in partnering to determine if services/products are ready for patient use and then making sure they are made accessible to patients. He has given numerous local and regional talks in regard to diagnoses and medication management to a variety of professional and lay audiences.

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