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|                               | Jurisdiction      of | Percentage      Owned |
|------------------------------------|----------------------|-----------------------|
| Subsidiaries                       | Incorporation        | By      Registrant    |
|                               |                 |                  |   |
| DCA      of Adel, LLC              |                 | Georgia               | 100% |
| DCA      of Calhoun, LLC           |                 | Georgia               | 100% |
| DCA      of Central Valdosta, LLC  |                 | Georgia               | 100% |
| DCA      of Fitzgerald, LLC        |                 | Georgia               | 100% |
| DCA      of Hawkinsville, LLC      |                 | Georgia               | 80% |
| DCA      of Royston, LLC           |                 | Georgia               | 100% |
| DCA      of So. Ga., LLC           |                 | Georgia               | 100% |
| DCA      of Chesapeake, LLC        |                 | Maryland              | 100% |
| DCA      of Chevy Chase, LLC       |                 | Maryland              | 80% |
| DCA      of Hyattsville LLC        |                 | Maryland              | 100% |
| DCA      of North Baltimore, LLC   |                 | Maryland              | 100% |
| DCA      of West Baltimore, LLC    |                 | Maryland              | 75% |
| DCA      of Rockville, LLC         |                 | Maryland              | 100% |
| DCA      of Manahawkin, Inc.       |                 | New      Jersey       | 100% |
| DCA      of Vineland, LLC          |                 | New      Jersey       | 51% |
| DCA      of Cincinnati, LLC        |                 | Ohio                  | 60% |
| DCA      of Columbus, LLC          |                 | Ohio                  | 100% |
| DCA      of Delaware County, LLC   |                 | Ohio                  | 60% |
| DCA      of Norwood, LLC           |                 | Ohio                  | 100% |
| DCA      of Toledo, LLC            |                 | Ohio                  | 70% |
| DCA      of Camp Hill, LLC         |                 | Pennsylvania          | 100% |
| DCA      of Carlisle, Inc.         |                 | Pennsylvania          | 80% |
| DCA      of Chambersburg, Inc.     |                 | Pennsylvania          | 80% |
| DCA      of Lemoyne, Inc.          |                 | Pennsylvania          | 100% |
| DCA      of Mechanicsburg, LLC     |                 | Pennsylvania          | 100% |
| DCA      of Pottstown, LLC         |                 | Pennsylvania          | 80% |
| DCA      of Selinsgrove, LLC       |                 | Pennsylvania          | 100% |
| DCA      of Wellsboro, Inc.        |                 | Pennsylvania          | 100% |
| DCA      of York, LLC              |                 | Pennsylvania          | 60% |
| Keystone      Kidney Care, Inc.(1) |                 | Pennsylvania          | 100% |
| York      Realty Holdings, LP(2)   |                 | Pennsylvania          | 60% |
| York      Realty Managers, LLC(3)  |                 | Pennsylvania          | 100% |
| DCA      of Barnwell, LLC          |                 | South      Carolina   | 100% |
| DCA      of Edgefield, LLC         |                 | South      Carolina   | 100% |
| DCA      of South Aiken, LLC       |                 | South      Carolina   | 100% |
| DCA      of Ashland, LLC           |                 | Virginia              | 80% |
| DCA      of Kilmarnock, LLC        |                 | Virginia              | 80% |
| DCA      of Warsaw, LLC            |                 | Virginia              | 100% |

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