I see a psychiatrist for depression.  Have you ever needed ti see one?
Yes, I have. I used to get the term Psychiatrist and psychologist mixed up but I've finally got it in my head that Psychiatrists can prescribe medicine.
Is that the only difference between the two?
A psychiatrist is a physician who diagnose and treat mental disorders and a psychologist evaluates and treats
I see.  I assume there is more schooling involved with becoming a psychiatrist, right?
monthly psychotherapy.
Subspecialties.
The field of psychiatry has many subspecialties (also known as fellowships) that require additional training which are certified by the American Board of Psychiatry and Neurology (ABPN) and require Maintenance of Certification Program (MOC) to continue. These include the following: 
- Clinical neurophysiology
- Forensic psychiatry
- Addiction psychiatry
- Child and adolescent psychiatry
- Geriatric psychiatry
- Hospice and palliative medicine
- Pain management
- Psychosomatic medicine (also known as consultation-liaison psychiatry)
right—here you have two psychiatrists pitted against two gays, and what you really need is someone who is both.' The panel moderator, Dr. Kent Robinson, agreed to add a gay psychiatrist if we could find one. In 1972 who would come forward? ... Kay and I wrote letters and made phone calls around the country." A gay psychiatrist in Philadelphia finally agreed to appear on the panel in heavy disguise, and with a voice distorting microphone, calling himself "Dr. H. Anonymous". He was John