| Business | Phone |
| Boyd M Pererson 1205 Corporate Center Dr, Oconomowoc 53066 | (262) 560-9964 |
| William N Watson Md 888 Thackeray Trl 210, Oconomowoc 53066 | (262) 567-1122 |
| Heart Center 791 Summit Ave, Oconomowoc 53066 | (262) 569-0611 |
| Robert L Zoeller Jr Md 791 Summit Ave 301, Oconomowoc 53066 | (262) 569-0655 |
| James M Powell 155 W Wisconsin Ave 203, Oconomowoc 53066 | (262) 569-9212 |
| Wilkinson Medical Clinics 915 Summit Ave, Oconomowoc 53066 | (262) 569-2277 |