is a nurse practitioner in the state of texas required to have a dea license?
New Application Instructions. To obtain a new Texas Controlled Substances Registration (CSR) as a Practitioner, Mid-Level Practitioners, Hospital, Pharmacy or EMS: 1  Obtain a license from the appropriate licensing board: 2  MD, DO and Mid-Level Practitioner / Physicianâs Assistant â Texas Medical Board.ew Application Instructions. To obtain a new Texas Controlled Substances Registration (CSR) as a Practitioner, Mid-Level Practitioners, Hospital, Pharmacy or EMS: 1  Obtain a license from the appropriate licensing board: 2  MD, DO and Mid-Level Practitioner / Physicianâs Assistant â Texas Medical Board.