50k Verified Healthcare Leads Wanted

I’m looking for a clean, permission-based list of 50,000 contacts in the healthcare industry. Accuracy is critical; I won’t accept recycled databases or high bounce rates. Doctors, nurses, administrators and other decision-makers are all welcome as long as the data is current and verifiable... (Budget: $30 - $250 USD, Jobs: Data Collection, Data Entry, Data Management, Email Marketing, Excel, Lead Generation, Leads, Web Search)