


COMMONWEALTH EMERGENCY
PATHOLOGY LABORATORY ASSOCIATES, INC.
WACO CARDIOLOGY ASSOCIATES, P.A.
HIGH PLAINS RADIOLOGICAL ASSOCIATION, L.L.P.
DERMATOLOGY AND SKIN SURGERY, INC., APMC
RADIOLOGY ASSOCIATES
CARDIOLOGY CENTER OF AMARILLO, LLP
MEDICAL COLLEAGUES OF TEXAS, LLP
CENTER FOR ORTHOPAEDICS AND SPINE, LLC
ANESTHESIOLOGY & PAIN CONSULTANTS, LLC.