| AVA DUVAL HOLDINGS, LLCPalm Harbor, FL · Active | Palm Harbor, FL | LLC | Sep 30, 2015 | Active |
| AVA DOUGLAS HOLDINGS, LLCPalm Harbor, FL · Active | Palm Harbor, FL | LLC | Oct 27, 2011 | Active |
| AVA COLUMBUS HOLDINGS, LLCPalm Harbor, FL · Active | Palm Harbor, FL | LLC | Jul 15, 2011 | Active |
| RENAL THERAPY GROUP LLCClearwater, FL · Inactive | Clearwater, FL | LLC | May 10, 2000 | Inactive |
| IRA OF ST. LOUIS, LLCClearwater, FL · Inactive | Clearwater, FL | LLC | Dec 7, 2000 | Inactive |
| AVA VOLUSIA FLAGLER HOLDINGS, LLCPalm Harbor, FL · Inactive | Palm Harbor, FL | LLC | Jun 4, 2009 | Inactive |
| AVA JUPITER HOLDINGS, LLCDunedin, FL · Inactive | Dunedin, FL | LLC | Aug 21, 2009 | Inactive |
| AVA NEWNAN HOLDINGS LLCPalm Harbor, FL · Inactive | Palm Harbor, FL | LLC | Feb 8, 2010 | Inactive |
| AVA ST LOUIS HOLDINGS LLCPalm Harbor, FL · Inactive | Palm Harbor, FL | LLC | Mar 16, 2011 | Inactive |
| AVA SARASOTA HOLDINGS, LLCPalm Harbor, FL · Inactive | Palm Harbor, FL | LLC | Aug 19, 2011 | Inactive |
| MANASOTA VASCULAR CENTER, LLCSarasota, FL · Inactive | Sarasota, FL | LLC | Aug 19, 2011 | Inactive |
| AVA MISSOURI HOLDINGS LLCPalm Harbor, FL · Inactive | Palm Harbor, FL | LLC | Apr 3, 2013 | Inactive |
| AVA EA HOLDINGS, LLCPalm Harbor, FL · Inactive | Palm Harbor, FL | LLC | May 2, 2018 | Inactive |
| HUDSON HEART AND VASCULAR INSTITUTE, LLCPalm Harbor, FL · Inactive | Palm Harbor, FL | LLC | May 10, 2018 | Inactive |
| BRADENTON INTERVENTIONAL SOLUTIONS, LLCPalm Harbor, FL · Inactive | Palm Harbor, FL | LLC | Jul 2, 2018 | Inactive |
| PROFESSIONAL NURSING EDUCATION, INC.Palm Harbor, FL · Inactive | Palm Harbor, FL | Corporation | Feb 19, 1990 | Inactive |
| IRA OF TAMPA, L.L.C.Clearwater, FL · Inactive | Clearwater, FL | LLC | Jun 25, 1998 | Inactive |
| IRA OF HAINES CITY, L.L.C.Clearwater, FL · Inactive | Clearwater, FL | LLC | Jun 30, 1998 | Inactive |
| IRA OF CELEBRATION, L.L.C.Clearwater, FL · Inactive | Clearwater, FL | LLC | Jul 2, 1998 | Inactive |
| IRISH INTUITION, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | May 10, 2000 | Inactive |
| RENAL SOLUTIONS, INC.Palm Harbor, FL · Inactive | Palm Harbor, FL | Corporation | Jan 2, 2001 | Inactive |
| AMERICAN VASCULAR ACCESS INC.Dunedin, FL · Inactive | Dunedin, FL | Corporation | Dec 6, 2002 | Inactive |
| SMILING IRISH EYES, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Oct 2, 1997 | Inactive |
| INDEPENDENT RENAL ASSOCIATES OF KISSIMMEE, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Nov 14, 1997 | Inactive |