This is a guest post by Taylor J. Christensen, M.D. (@taylorjayc). Dr. Christensen is an internal medicine physician and health policy researcher with a background in business strategy and health services research. Since any mystery in the healthcare system intrigues me, I’ve been working on understanding pharmacy benefit managers (PBMs) lately. Why did PBMs arise … Continue reading A Brief History of Pharmacy Benefit Managers (How They Became the “Shady Middle Men” in the Drug Market)