Most of her claims and treatments are pretty vague, which is typical of the core shamanism types. I don't see any evidence that anything she does works besides making the clients feel good. But I also don't see any signs of the worser abuses we often see, deception, etc.
The worst to be said about her is selling ceremony, a knockoff of medicine wheels.
http://www.colleendeatsman.com/classes.html#classes"Your Personal Medicine Wheel - Exploring the Great Circle....
This introductory Workshop will help you:
Honor the powers and energies of sacred circle and the directions
Empower your Soul Connect with your Helping Spirits
Self-heal with energy
Receive direct Spirit guidance
Bring your life into balance"