The American Journal of Managed Care: Dr Bhuvana Sagar Discusses Payment Reform in Oncology Bhuvana Sagar, MD, national medical executive, Cigna Health Care, offers insights on implementing payment reform models in oncology after a session at the 2020 Community Oncology Alliance Payer ... The American Journal of Managed Care: Dr Bhuvana Sagar on Using Data Generated From Value Frameworks Though Cigna’s reimbursement medical home model is still in its very early stages, Bhuvana Sagar, MD, national medical director of Cigna Healthcare, explained that discussing value in healthcare and ...