Which of the following entities is required to register with the DEA?

Registration with the Drug Enforcement Administration (DEA) is a fundamental requirement for various entities involved in the handling of controlled substances. Each of the listed entities plays a significant role in the controlled substances distribution chain, which necessitates their registration to ensure they comply with federal regulations designed to prevent misuse and abuse.

A manufacturer of controlled substances must register with the DEA because they produce drugs that are classified as controlled substances. This registration allows the DEA to monitor and regulate the quantity and distribution of these substances, helping to prevent illegal manufacturing and trafficking.

A pharmacy dispensing controlled substances is also required to register. Pharmacies are the frontline providers of medications, including controlled substances, to patients. Their registration is crucial for keeping track of dispensing activities, ensuring that they follow proper protocols, and preventing unauthorized access to these medications.

Similarly, a physician prescribing controlled substances must register with the DEA. This requirement ensures that medical practitioners are authorized to prescribe potentially dangerous drugs and that there is accountability in their prescribing practices. The registration helps the DEA monitor prescribing patterns to combat drug abuse and diversion.

Thus, since all three entities—manufacturers, pharmacies, and physicians—are involved in the controlled substances system and are required to register with the DEA, it is correct to say that all of the above