


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