Oregon Caregiver requirements The caregiver must be 18 years of age or older. Designated primary caregiver is the person that has significant responsibility for managing the well-being of a person who has been diagnosed with a debilitating medical condition. Primary caregiver does not include the patient’s physician. A patient may only have one primary caregiver. Parents or a guardian, of patients under the age of 18 years, must complete the OMMP – Declaration of Person Responsible for a Minor form and complete Part B of the Application Form as a primary caregiver. * Please note: This form must be notarized.