Opportunities with Reliant Medical Group. When you join Reliant, you’ll be part of a community-based, multi-specialty, physician-led medical group. Primary care and specialist providers work collaboratively on a common purpose: improving the quality, cost and experience of health care. With the resources of a global health organization - Optum - behind us, we’re at the forefront of value-based care. Supported by a patient-centric business model – your integrated care teams