Help

Need some assistance? Consult our FAQs and other resources linked below. If you can’t find the answer to your question, please reach out to us using our contact information below. Our staff are available during business hours (ET) on Monday-Friday and will get back to you as soon as we can.

Contact Us

Location

NAHDAP is part of the Institute for Social Research at the University of Michigan. We are located on the University of Michigan’s Central Campus in Ann Arbor, MI.

By Email

For most questions, please email us at icpsr-help@umich.edu. VDE users can email us questions about their applications and existing projects at nahdap-vde-support@umich.edu.

By Phone

734-647-2200

By Mail

United States Postal Service:

National Addiction and Health Data Archive Program
ICPSR
University of Michigan
Institute for Social Research
P.O. Box 1248
Ann Arbor, MI 48106-1248

Courier and freight deliveries:

National Addiction and Health Data Archive Program
ICPSR
330 Packard Street
Ann Arbor, MI 48104