Phone: 215-220-6764 -- Fax: 651-560-3997 -- Address: PO Box 265, Chanhassen, MN 55317


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Application and Membership Fees

Preferred Method of Payment: No Personal Checks. We accept money orders or cashier checks only. Checks and money orders must be made payable to N.A.D.A.I, National Association of Drug & Alcohol Interventionists or Dr. Corinne Butler Williams.

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You can use this button to make a secure payment using Paypal or go to, select "Send Money" and send your payment to You may also request, from the same email address, a paypal invoice to be sent to you for more specific orders.

Preferred Shipping Methods: USPS Express or Priority, Federal Express, UPS, DHL

Certification Fees:

$240.00 per one (1) year certification
$140.00 for each additional certification

$340.00 per two (2) year certification
$240.00 for each additional certification

$440.00 per three (3) year certification
$340.00 for each additional certification

$985.00 - Doctorate Degrees
$885.00 - Masters Degrees
$778.00 - Bachelors Degrees
+$5.00 shipping and handling

These fees include test and 6 months Bronze Membership. Normal processing time is 10 - 15 business days.

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