Company Locations

Corporate Headquarters

Questcor Pharmaceuticals, Inc.
1300 North Kellogg Drive, Suite D
Anaheim Hills, CA 92807
Phone: 1-714-786-4200
Fax: 1-714-789-4229

Commercial Operations and Medical Affairs

Questcor Pharmaceuticals, Inc.
26118 Research Rd.
Hayward, CA 94545
Phone: 1-510-400-0700
Fax: 1-510-400-0799

Research and Development

Questcor Pharmaceuticals, Inc.
6011 University Boulevard, Suite 260
Ellicott, MD 21043
Phone: 1-410-480-7500
Fax: 1-410-480-7529