Select the type of annual IOS membership:


Licensed physicians and allied health professionals including but not limited to registered nurses, nurse practitioners, clinical nurse specialists, pharmacists, physician assistants, administrators, social workers, and office managers in one of the following oncology practices or universities: 

Misson Cancer + Blood

UnityPoint Health Siouxland Regional Cancer Center

NOTE: Fellows should always select the “Fellow” type of membership below even if their organization is listed above.   

Start A New Group

If your organization is not listed above, request to start a new Group! Membership staff will follow up with you on your request. Otherwise, select a non-Group membership below.


Licensed physician caring for patients with cancer.

Allied Health Professional

Healthcare staff person including but not limited to registered nurse, nurse practitioner, clinical nurse specialist, pharmacist, physician assistant, administrator, social worker, and office manager.


Physician enrolled in subspecialty training program to care for patients with cancer.


Former physician or allied health professional who is no longer practicing.