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Mark Ilgen, Ph.D.

Associate Professor, Department of Psychiatry
Research Investigator, The Center for Clinical Management Research, a Health Services Research and Development Center of Innovation, Department of Veterans Affairs
Interim Director, University of Michigan Addiction Treatment Services

Mark Ilgen, Ph.D. is a clinical psychologist, an associate professor of psychiatry, and an investigator with the VA Center for Clinical Management Research (CCMR) at the VA Ann Arbor Healthcare System. Much of his current work focuses on improving treatment outcomes for patients struggling with substance use disorders and complicated co-occurring problems, particularly chronic pain, other psychiatric disorders, and suicide risk. In working with adults with established drug and alcohol problems, his goal is to help them reverse the course of addiction as quickly as possible to minimize the damaging effects to other areas of their lives.

For individuals grappling with both addiction and chronic pain, Dr. Ilgen has developed an intervention that can help address both problems and also minimize the treatment challenges that opioids often present for this population. He is in the process of conducting research to determine the potential effectiveness of this intervention. Dr. Ilgen is also keenly interested in evaluating addiction treatment approaches to identify the factors most important to patient motivation, quality of life during treatment, and outcomes. He is also the principal investigator of a new study to better understand marijuana use for pain management and the potential implications for patient outcomes as well as health policy.



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Find out about Dr. Ilgen's research on Michigan Experts.

Clinical Interests:

  • Substance use disorder treatment
  • Cognitive behavioral therapies
  • Treating co-occurring substance use disorders and other conditions (e.g., depression, chronic pain, etc.)

Research Interests:

  • Treatment evaluation research on methods for improving the treatment of alcohol or drug use disorders.
  • Examining of the association between alcohol or drug use and risk for suicide.
  • Intervention development and evaluation for treating chronic pain in individuals with alcohol or drug use disorders.
  • Health services research on program policies linked to varying rates of suicide.


Ph.D, Clinical Psychology, University of Colorado, 2003