UNITED STATES of America, ex rel. Syed RAHMAN, M.D.; Syed Rahman, M.D., Plaintiffs-Appellees,
v.
ONCOLOGY ASSOCIATES, P.C.; Oncology Services Corporation; Douglas Colkitt, M.D.; Jerome Derdel, M.D.; Joanne Russell; Oncology Funding Corporation; Stoneboro Oncology Associates, P.C.; Warren Oncology Associates, P.C.; Phoenixville Oncology Associates, P.C.; Littlestown Oncology Associates, P.C.; Lehighton Oncology Associates, P.C.; Exton Oncology Associates, P.C.; Bucks County Oncology Associates, P.C.; Greenbelt Cancer Treatment Center, L.P.; Derdel Randallstown Oncology Associates, P.C.; Atlantic Radiation Oncology Associates, P.C.; Derdel Union Memorial Oncology Associates, P.C.; Derdel Riverside Oncology Associates, P.C.; Derdel Chesapeake Oncology Associates, P.C.; Okeechobee Oncology Associates, P.A.; Key West Oncology Associates, P.A.; Tampa Oncology Associates, P.A.; Treasure Coast Oncology Associates, P.A.; Lauderdale Lakes Oncology, P.A.; St. Lawrence Oncology P.C.; Liberty Oncology Associates, P.C.; Community Radiation Therapy Associates, P.C.; Kings Plaza Radiology, P.C.; Southern New Jersey Cancer Treatment; Williams County Oncology Associates, P.C.; Park Oncology Associates, P.C.; Parks Oncology Associates, Incorporated; GHCC Incorporated, F.K.A. Greater Harrisburg Cancer Center, Inc.; MGH Cancer Treatment Center, L.P.; Oncology Services Corporation of Lawnwood; Keys Cancer Center Limited Partnership; XCC Incorporated; GPCC, Incorporated; IRCC, Incorporated; KRTC, Incorporated; LVCC, Incorporated; MGHCC, Incorporated; MHCC, Incorporated; Maryland General Cancer Center, Incorporated; St. Lucie County Radiation Oncology, 2 Limited; Oncology Associates, P.C./Indiana; Oncology Associates, P.C./Albemarle; Derdel Maryland General Oncology Associates, P.C.; Derdel MGH Oncology Associates, P.C.; Kankakee Oncology Associates, P.C.; Oncology Associates, P.C./Harrisburg; Pleasant Hills Oncology Associates, P.C.; Oncology Associates, P.C./Lebanon; Oncology Associates, P.C./Salisbury; Flagstaff Oncology Associates, P.C.; Fort Pierce Oncology Associates, P.C.; Greenway Oncology Associates, P.C.; Greater Pittsburgh Oncology Associates, P.C.; Marlton Oncology, P.C.; Randallstown Oncology Center, Incorporated; Westchester Oncology, P.C.; Chesapeake Regional Cancer Center, Incorporated; Union Memorial Oncology Center, Incorporated; Williams County Oncology Associates, Incorporated; Tri-State Oncology Associates, Incorporated; Heritage Hills Medical, L.P.; Riverside Oncology; Jefferson Radiation 3 Oncology Center, L.P.; Albemarle Regional Cancer Center, L.P.; Broward Radiation Therapy Corporation; Lake Okeechobee Cancer Center, Incorporated; Lawnwood Regional Cancer Center, L.P.; Oncology Services Corporation of Key West, Incorporated; Oneonta Radiation Oncology, P.C.; Oncology Services Corporation of Tampa, Incorporated; Greenbelt Cancer Treatment Center; Billing Services, Incorporated; National Medical Financial Services Corporation; Colkitt Oncology Group, Incorporated; Equimed, Incorporated, Defendants-Appellants, and
Atlantic Radiation Oncology, L.L.C.; Northwest Radiation Treatment Services, Incorporated; Greater Harrisburg Cancer Center, Incorporated; Oncology Associates, P.C./Life Care; Oncology Associates, P.C./Heritage Hills; Oncology Associates, P.C./Pittsburgh; Cancer Center of Northern Arizona PTR; Salisbury Radiation Oncology Center, Incorporated; 4 Medtrend Health Systems, Incorporated; St. Lawrence Oncology, P.C./Ogdensburg; PMCB, Incorporated; St. Lawrence Oncology, P.C./Brooklyn; Skyline Oncology Associates, P.C. Pittsburgh, PA; Malone Oncology Associates, P.C., State College, PA; Nixon Equipment Corporation, A Corporation Formed Under The Laws of Nevis State College, PA; Thomas Jefferson Real Estate Corporation, A Corporation Formed Under The Law of Nevis State College, PA; George Washington Real Estate Corporation, A Corporation Formed Under The Laws of Nevis State College, PA; Oaktree Cancer Care, Incorporated, Pittsburgh, PA; Keystone Oncology, L.L.C., State College, PA; Eastern Pennsylvania Oncology, L.L.C.; Massachusetts Radiation Oncology Services, P.C.; Chester County Oncology, L.L.C.; 5 Rosewood Cancer Care, Incorporated; Florida Oncology, P.A.; Coastal Oncology, L.L.C., Defendants,
v.
Highmark, Incorporated dba Xact Medicare Services; Noridian Mutual Insurance Company dba Blue Cross Blue Shield of North Dakota; Aetna Incorporated; Blue Cross Blue Shield of Florida; Health Care Service Corporation, A Mutual Legal Reserve Company; Trailblazer Health Enterprises, L.L.C.; Blue Cross Blue Shield of Maryland, Incorporated; Empire Blue Cross Blue Shield; Group Health Incorporated; Blue Cross and Blue Shield of Western New York, Incorporated; Cigna Corporation; Connecticut General Life Insurance Company; Nationwide Mutual Insurance Company, Third-Party Defendants.