I'm a psychotherapist in private practice in Los Angeles (Beverly Hills) and my target audience are individuals or couples that want to use psychotherapy to improve their lives and relieve their emotional or psychological pain. (I'd love a logo that has a feel of a high end spa, yoga studio but with a professional consultation air about it).
An image or shape that is easily recognizable is used to represent your business.
Representing trends from the internet including gradients, rounded corner etc.
blue, green (see colors in sample logo I uploaded)