Not sure what offering them, but when was seeking a few dentists for marketing projects..

I generated a few high end dentist clients by direct mail using a grabber that always got opened.

Also, one through email, but definitely suggest the 2 step. Mail the attention grabbing piece with a strong offer and call to action and then few days later-call and mention what sent him and if grabbed his attention and liked what you had to say, then should be open to talk with you then or set up a time to continue when free.

Look for a dead lion :-)

Dentist, Lawyers, anything on those levels are a pain to work with. Most of them will have receptionist you have to get through first. By far the best clients, at least in my experience are contractors. But if you must you should find the Doctors home address and mail them. Any other method will first get filtered by someone else. And like

Forget cold calling for professionals. It's too hard to get past the gatekeepers and even if you do, you lack posture and credibility, which is a huge thing for these people.

In my experience there are only two ways to get into that market:

1. Find them online (Linked In etc), then seduce them into your funnel with a free offer such as a free report targeted at the dental profession.

2. Take a lateral approach by cultivating multipliers and influencers. I did this with accountants - when I got a referral from an accountant, the prospect always took my call.

I was going to suggest LinkedIn, depending the service your offering them make sure its going to be one that will solve a problem they have, as an example most business owners need good leads so if your going to reach out to them.

Show them how you can help send highly targeted good quality leads to their business with credit card in hand ready to make a purchase.

That was a source I was thinking of, as contacting them through email has been impossible - even personal email seems to get opened with the receptionist!

I actually just sent some lumpy mail like letters to a couple of dentists. It's my first go at sending letters out. I'll you know if I get a response.