Mille Lacs Health System Schedule an appt: 320.532.3154 Clinics: Onamia, Isle, Garrison, Hillman Honored to be part of your care mlhealth.org Developing trust with members of all the communities we serve is important to us. Respect is one of our specialties. body. mind. spirit. Mille Lacs Health System Schedule an appt: 320.532.3154 Clinics: Onamia, Isle, Garrison, Hillman Honored to be part of your care mlhealth.org Developing trust with members of all the communities we serve is important to us. Respect is one of our specialties. body. mind. spirit.