| Organization name | Address | First registered nodes | Current registered nodes |
|---|---|---|---|
| Croswell Alan | --- | 1 | 0 |
| Steeve Stooke | --- | 1 | 0 |
| Christoph Leser | --- | 1 | 0 |
| Gomes Miguel Gentil | --- | 1 | 0 |
| Lino Prahov | --- | 1 | 0 |
| Ligia Alvarez | Pediatric Health Care 5308 South John T=Young Pkwy. Ste 200 Orlando, Fl 32837 |
1 | 0 |
| Peter Debski | --- | 1 | 0 |
| Toomet Lemmit | --- | 1 | 0 |
| Keto Mr. Jukka | --- | 1 | 0 |
| Renato Araujo | --- | 1 | 0 |
| Tzach Kaufmann | --- | 1 | 0 |
| Brooklyn Health Information Exchange (BHIX) | Brooklyn Health Information Exchange (BHIX) 6323 Seventh Avenue Brooklyn, New York 11220 United States (the) |
1 | 0 |
| Jikun | --- | 1 | 0 |
| Jean-Louis Melin | --- | 1 | 0 |
| Secretaría de Salud, Dirección General de Información en Salud | Av. Paseo de la Reforma No. 450 piso 11 Colonia Juárez Delegación Cuauhtémoc, México D.F. C.P. 06600. | 1 | 0 |
| Ito Kyoko | --- | 1 | 0 |
| Cray Michael | --- | 1 | 0 |
| Feng-Pin Lo | --- | 1 | 0 |
| Duszyk Mark | --- | 1 | 0 |
| Tal Yuval | --- | 1 | 0 |
| Anders Åkre | --- | 1 | 0 |
| Foster Liu | --- | 1 | 0 |
| Karen Mitchell | Memorial Health System 701 North First Street Springfield, IL 62781-0001 United States (the) |
1 | 0 |
| Fithen Bill | --- | 1 | 0 |
| Gupta Sunil | --- | 1 | 0 |
| Marcus Rosenberg | --- | 1 | 0 |
| Anders Rundgren | --- | 1 | 0 |
| Tam Bene | --- | 1 | 0 |
| Hsu Chih-Ming | --- | 1 | 0 |
| Green Zem | --- | 1 | 0 |
| CC System Services Team | --- | 1 | 0 |
| McFall Kevin | --- | 1 | 0 |
| Rumi Szabolcs | --- | 1 | 0 |
| OID Administrator | --- | 2 | 1 |
| Lukas Hendriks | --- | 1 | 0 |
| C. Charles Winchcombe | --- | 1 | 0 |
| John Sweeney | --- | 1 | 0 |
| Benny Michailovici | --- | 1 | 0 |
| Morishita Shoji | --- | 1 | 0 |
| Redmann Bill | --- | 1 | 0 |
| john horton | --- | 1 | 0 |
| Scott Millis | --- | 1 | 0 |
| INTEGRIS - Amal Moorad MD | 4219 S. Western OKC, OK 73109 United States (the) |
1 | 0 |
| H. Lehnert | --- | 1 | 0 |
| Eide Eric | --- | 1 | 0 |
| Landolina William C. | --- | 1 | 0 |
| Piontas Mariusz | --- | 2 | 0 |
| Wild Thomas | --- | 2 | 0 |
| Renato Massone | --- | 0 | 2 |
| Piau Samuel | --- | 1 | 0 |