I can provide you with a very clean list of doctors with email. Total list contains 15,000+ emails. If you are looking to buy the list it will run you somewhere in the $5000 range (yet negotiable - list will be provided to you with dr names, dr company name and email address)(You would pay double that from list rental services). It is a very good list that had generated through online marketing efforts and healthcare trade shows. Please respond if interested.