| Business | Phone |
| Trimark Family Practice Assoc 1428 2nd Ave N, Fort Dodge 50501 | (515) 573-5151 |
| Trimark Phyisicans Group 800 Kenyon Rd G, Fort Dodge 50501 | (515) 574-6865 |
| Trimark Neurology 800 Kenyon Rd, Fort Dodge 50501 | (515) 574-6845 |
| Trinity Pain Management Ctr 802 Kenyon Rd, Fort Dodge 50501 | (515) 574-6450 |
| Trimark Physicians Group 3600 Chamberlain Ln 104, Fort Dodge 40241 | (502) 228-2901 |
| Trimark Physicians Group 804 Kenyon Rd 210, Fort Dodge 50501 | (515) 574-6830 |
| Trimark Physicians Group 223 Walnut St, Fort Dodge 42021 | (270) 655-6351 |