Texas Medical Board
http://www.tmb.state.tx.us/default.php

Drug Enforcement Administration (DEA)
http://www.deadiversion.usdoj.gov/

Texas Department of Public Safety (DPS)
http://www.txdps.state.tx.us/

State Medical Board Links
http://www.fsmb.org/directory_smb.html

Accreditation Council for Graduate Medical Education (ACGME)
http://www.acgme.org

United States Medical Licensing Examination
http://www.usmle.org

U.S. Social Security Administration
www.socialsecurity.gov

Texas Online Occupational and Professional Licenses
http://www.texasonline.state.tx.us