Payment of Services ATR's Electronic Service Management System: Falling Colors All payments are processed through ATR’s Electronic Service Management System. All providers will be trained in this system. For information on Falling Colors, please contact ATR Operations Director, lmartin@ahpnet.com For providers already using this system who have questions about payments, please contact AHP’s Accountant, lmccarthy@ahpnet.com No paper or money ever changes hands. Falling Colors Help Info