| Organization name | Address | First registered nodes | Current registered nodes |
|---|---|---|---|
| Centra | 1920 Atherholt Road Lynchburg, VA 24501 United States (the) |
1 | 0 |
| Brad Whitney | --- | 1 | 0 |
| Guntagani Vimal Kumar | --- | 2 | 0 |
| Beitnes Haakon | --- | 1 | 0 |
| Roger Wenham | --- | 1 | 0 |
| Xue Zheng | --- | 1 | 0 |
| Nebraska Health Information Initiative, Inc. | 7914 Dodge Street #356 Omaha, NE 68114 United States (the) |
2 | 0 |
| Austin Brad | --- | 1 | 0 |
| Ericsson Magnus | --- | 1 | 0 |
| Riefenstahl Benjamin | --- | 1 | 0 |
| Russell Medical Center | PO Box 939 Alexander City, AL 35011-0939 United States (the) |
1 | 0 |
| Edward Buchwalter | --- | 1 | 0 |
| Gould Andrew | --- | 1 | 0 |
| Joseph Johnson | --- | 1 | 0 |
| L. Westbrook | Oklahoma Heart Hospital 4050 West Memorial Road Oklahoma City, Oklahoma 73120 United States (the) |
1 | 0 |
| Ing. Marek Prasil | --- | 1 | 0 |
| Amit Sharma | --- | 1 | 0 |
| MD PnP | --- | 1 | 0 |
| Bangaru Adabala | --- | 1 | 0 |
| Buselli Michael H. | --- | 1 | 0 |
| Naresh Kumar .A | --- | 1 | 0 |
| Busch Eric | --- | 1 | 0 |
| Paolo Prandini | --- | 1 | 0 |
| Sayd Federico | --- | 1 | 0 |
| Maximilian von Zweydorff | --- | 1 | 0 |
| Goldberg Andrew | --- | 1 | 0 |
| Ralf Balzer | --- | 1 | 0 |
| Gong Haixiang | --- | 1 | 0 |
| John Detrick | --- | 1 | 0 |
| Hall Richard | --- | 1 | 0 |
| Markus Bernhardt | --- | 1 | 0 |
| Steiger Jay | --- | 1 | 0 |
| Wachter Andreas | --- | 1 | 0 |
| Jean-Luc Wasmer | --- | 1 | 0 |
| Thierry Sudre | --- | 1 | 0 |
| Hopkins Donna | --- | 1 | 0 |
| Jaroslav Kortus | --- | 1 | 0 |
| Satyanarayana Tummalapalli | --- | 1 | 0 |
| Reinhard Obendorf | --- | 1 | 0 |
| Crook Jim | --- | 1 | 0 |
| Fred Pierce | --- | 1 | 0 |
| Peter Kellendonk | --- | 1 | 0 |
| Flom Jim | --- | 1 | 0 |
| Nazareth Hospital | 2601 Holme Avenue Philadelphia, PA 19152 United States (the) |
1 | 0 |
| Allen Jeff | --- | 1 | 0 |
| Carl Jackson | --- | 2 | 0 |
| Mal Harwood | --- | 1 | 0 |
| Syed Wali Hasan Zaidi, Abdullah Salauddin | --- | 1 | 0 |
| Robbins Peter J. | --- | 1 | 0 |
| Eduardo Cruz | --- | 1 | 0 |