Dei Psychiatry and Addiction Clinic is a private treatment center in Tehran, Iran, specializing in addiction care and mental health services. The clinic reports more than 28 years of experience and operates around the clock, including holidays, with separate inpatient units for women and men. Its addiction services include medically supervised detoxification and inpatient treatment for dependence on substances such as opioids, methamphetamine, cannabis, cocaine, alcohol, and other drugs. The clinic also offers psychiatric services, clinical psychology, psychotherapy, and counseling.

According to its website, facilities include general, private, and VIP rooms, an intensive care unit, and resuscitation equipment. Its clinical team includes psychiatrists, an anesthesiologist and critical-care specialist, physicians, psychologists, nurses, and a nutrition counselor. The center lists QEEG, rTMS, tDCS, and ECT among its neuroscience and treatment equipment. Additional services include skin care and rejuvenation, as well as dental treatments such as restorative and cosmetic care, implants, orthodontics, and surgery. Dei Clinic is located on North Naft Street in Tehran and provides telephone consultation.