This reference site has been posted elsewhere on HH in the past. But it's updated annually so anything earlier will be outdated. I'm pinning it here and hoping I can remember to update it in 2020.

Mike Tigas, Ryann Grochowski Jones, Charles Ornstein, and Lena Groeger
Updated June 28, 2018

Pharmaceutical and medical device companies are required by law to release details of their payments to a variety of doctors and U.S. teaching hospitals for promotional talks, research and consulting, among other categories. Use this tool to search for general payments (excluding research and ownership interests) made from August 2013 to December 2016.

Search the site: https://projects.propublica.org/docdollars/