A Thomas McLellan, PhD

Betty Ford Center
Joined: 05/04/2011
Expert Profile:
Betty Ford Center Board of Directors member A. Thomas McLellan, Ph.D., Professor, Department of Psychiatry and Director, Penn Center for Substance Abuse Solutions, is the former Deputy Director of the Office of National Drug Control Policy (ONDCP) in the White House. He was the principal developer of the Addiction Severity Index (ASI) and the Treatment Services Review (TSR), measurement instruments that characterize the multiple dimensions of substance abusing patients and treatment protocols. He received his B.A. from Colgate University and his M.S. and Ph.D. from Bryn Mawr College. He received postgraduate training in psychology at Oxford University.

For more information, visit Betty Ford Center's website.

Latest Activity

Filter by:
Betty Ford Center
Reply: Will My Brain And Lungs Heal After Smoking weed?
You are probably right about the slowness you sense, which you probably...More
Betty Ford Center
Reply: Naproxen 500 mg
The possibility of a false positive result does exist, although it is highly...More
Betty Ford Center
Reply: SOMA Help detox
The diarrhea and stomach aches are almost certainly due to abrupt...More
Betty Ford Center
Reply: Alcohol and lexapro
I feel that your brother-in-law should definitely go to the doctor. First,...More
Betty Ford Center
Reply: Help for a Alcoholic & Drug Addict
From your description of this situation, it sounds like you are correct in...More
Betty Ford Center
Reply: Withdrawal?
If "a few drinks" means less than four, then it is unlikely your symptoms...More
Betty Ford Center
Reply: I`m I an alcoholic??
You have come to an important point in your life - your drinking is not...More