Blockchain technology has been gaining significant traction in the healthcare industry in the past few years. The value proposition of using blockchain technology is to augment interoperability among healthcare organizations. However, the disruptive technology comes with costly drawbacks. With this paper, I aim to explore the benefits and threats of blockchain technology as a disruptive innovation in the healthcare sector. I review current applications through studies conducted to identify uses and potential challenges of blockchain technology based on its current implementations. My review highlights the gaps in research and the need for further blockchain studies particularly in the healthcare domain.