| Heartland Dental | 2,163 |
| Pacific Dental Services / PDS Health | 737 |
| Aspen Dental Management | 657 |
| MB2 Dental Solutions | 485 |
| Affordable Dentures & Implants | 459 |
| Western Dental / Brident / Sonrava Health | 360 |
| Dental One Partners / InterDent | 301 |
| Coast Dental | 184 |
| Sage Dental | 178 |
| Benevis (formerly Kool Smiles) | 132 |
| Dentistry for Children | 128 |
| Comfort Dental | 102 |
| Gentle Dental (InterDent) | 99 |
| Towncare Dental | 95 |
| Ideal Dental (DECA Dental Group) | 90 |
| Riccobene Associates Family Dentistry | 75 |
| Mobile Dentists (Big Smiles) | 44 |
| Dental Dreams | 34 |
| community-services | 25 |
| valley-health-systems | 24 |
| david-e-thome | 24 |
| Smile Brands (BrightNow!, Monarch, Castle Dental) | 23 |
| professional-alliance | 16 |
| applewhite-iowa | 16 |
| tx-southern-ppo | 14 |
| specialty-services | 14 |
| family-health | 14 |
| advantage-oral-health | 14 |
| network-provider-pc | 13 |
| my-local-colorado | 13 |