I think that your family doctor is able to handle minor-mild depression cases.

But... as my own GP told me, family doctors usually only have general knowledge about these disorders...
...so instead of him pumping me up with pharm samples, he made me an appointment with some specialist that would oversee the PTSD and other issues, while he could concentrate on what he knows best.

He still writes the priscriptions, as he and the specialists stay in contact.
But by having all my doctors in sync with eachother has made everything so much easier.
They each know what the other is doing, and update eachother on my condition.

At times it makes me feel like a little kid,
but it's just such a relief to have someone take charge!