| 1. | Mathings (Abbey) | 1,480 | 522 | 779 |
| 2. | Nap Surgery (Delta) | 1,171 | 496 | 757 |
| 3. | RHS - Tring (Alpha) | 1,074 | 662 | 488 |
| 4. | Summer Field Health Center (Abbey) | 1,006 | 433 | 471 |
| 5. | Western Elm (Elm Park) | 962 | 269 | 501 |
| 6. | Lincoln House (Delta) | 904 | 492 | 626 |
| 7. | Parkbury House Surgery (Alban) | 820 | 460 | 389 |
| 8. | Manor Street (Alpha) | 779 | 484 | 564 |
| 9. | Midway Surgery (Alban) | 703 | 345 | 330 |
| 10. | Fernville (Beta) | 695 | 423 | 571 |
| 11. | RHS Berkhamstead (Alpha) | 633 | 283 | 253 |
| 12. | Sheepcote (North Watford) | 561 | 539 | 628 |
| 13. | Bennetts End (Delta) | 556 | 378 | 340 |
| 14. | Parkwood Drive (Beta) | 539 | 335 | 317 |
| 15. | Grange Street Surgery (Alban) | 535 | 282 | 304 |
| 16. | Tielhurst (The Triangle PCN) | 531 | 462 | 408 |
| 17. | Grove Medical (Herts Five) | 469 | 347 | 472 |
| 18. | Fairbrook House Surgery (Herts Five) | 468 | 252 | 429 |
| 19. | Circuit lane (Elm Park) | 439 | 156 | 132 |
| 20. | Lodge Surgery (Halo) | 427 | 403 | 408 |
| 21. | Consulting Rooms (Alliance) | 389 | 116 | 110 |
| 22. | Haverfield Surgery (Delta) | 369 | 152 | 200 |
| 23. | Shopwick Bushey (Herts Five) | 355 | 128 | 89 |
| 24. | Red House (Herts Five) | 347 | 134 | 75 |