Please fill out the form below. Someone from our office will call you to schedule an appointment. * Name * Date of Birth Provider You can choose any of our providers or we would be happy to pick an OSI provider should you not have a preference. Pick a provider Dr. Brian LohrbachDr. David EggertDr. David KuplicDr. David RitzowDr. Jay MinorikDr. Ken SchaufelbergerDr. Kevin Campbell * Phone Number Comment(s) Please describe your pain/issue and let us know when it is convenient to contact you. Hours Monday – Friday:8 AM – 5 PM Saturday & Sunday:10 AM – 2 PM Immediate CareIn Appleton OSI’s Walk-In Clinic is open 7 days a week Hours Monday – Friday:8 AM – 5 PM Saturday & Sunday:10 AM – 2 PM Immediate CareIn Appleton OSI’s Walk-In Clinic is open 7 days a week