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The CSA Online Database


Effective immediately, NTIS only will be responding to emails for customer support. The NTIS call center has been retired. For all issues regarding the DEA CSA database, please send an email to subscriptions@ntis.gov. All emails will be answered in the order received.

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NTIS is the only authorized official distributor of the DEA CSA database on the Web.


The products advertised on this Web site contain the complete authorized DEA database of persons and organizations certified to handle controlled substances under the Controlled Substances Act. DEA authorizes the use of this database, and the inclusion of any individual or organization in the database, as proof of that entity's registration with the DEA.

The Drug Enforcement Agency is the database owner for the DEA Controlled Substances Act Registration Information Databases. For medical practitioner questions regarding these databases or its data content management, please contact DEA's Drug Registration Office at 800-882-9539 or via email at DEA.Registration.Help@usdoj.gov. For media/press inquiries regarding these DEA registration databases, please call 202-307-7977.

The Drug Enforcement Administration (DEA), as part of its efforts to control the abuse and misuse of controlled substances and chemicals used in producing some over-the-counter drugs, maintains databases of individuals registered to handle these substances.

These databases are available from the National Technical Information Service (NTIS) as daily, weekly, monthly or quarterly subscriptions.

The CSA Online Database is now available daily and for limited searches of 1, 5, 10 or 25 queries.

For all issues regarding the CSA database, please send an email to subscriptions@ntis.gov. All emails will be answered in the order received.


Subscription Info

To subscribe, download the order form and submit it to the NTIS Subscriptions Department with your payment.


DEA Products

Active Controlled Substances Act (CSA) Registrants Database
Now available as a Daily, Weekly subscription!

Retired Registrants from the CSA Registrants Database

CSA & Retired Registrants Downloadable Files

List 1 Chemicals Registrants

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Information from DEA

Record Layout

Important Notice from DEA

DEA is announcing that, effective immediately, DOD personal service contractors will be issued a new DEA registration number that begins with the letter “G”. This new first character will be in addition to the current first characters A, B, F of the DEA registration for practitioners. The G series DEA registration number will be listed in the database provided to NTIS and available on the DEA web site validation query system.

Registrant type (first letter of DEA Number):

A/B/F/G -
Hospital/Clinic/Practitioner/Teaching Institution/Pharmacy 
M -
Mid-Level Practitioner (NP/PA/OD/ET, etc)
P/R -
Manufacturer/Distributor/Researcher/Analytical Lab/Importer/Exporter/Reverse Distributor/Narcotic Treatment Program

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