| Insurance | |
| Aetna | Humana PPO |
| Beech Street | Medicare |
| Blue Cross Blue Shield of IL PPO/POS | Private Healthcare System |
| CCN | Principal |
| CIGNA | Unicare PPO |
| Great West (Cigna) | United Health Care |
| Gastroenterologists are also on: | |
| Blue Cross Blue Shield of IL HMO | Humana HMO |