Mille Lacs Health System HE Before anything else, we listen. Call: 320.532.3154 Onamia, MN mlhealth.org Successful surgery starts long before the OR. Our surgeons take the time to know you, and you're an important part of the team, throughout your diagnosis, treatment, discharge and follow-up. hear. time. care. Mille Lacs Health System HE Before anything else, we listen. Call: 320.532.3154 Onamia, MN mlhealth.org Successful surgery starts long before the OR. Our surgeons take the time to know you, and you're an important part of the team, throughout your diagnosis, treatment, discharge and follow-up. hear. time. care.