Tread carefully - i have just been down this road, it's a minefield out there. I did alot of research i will share with you privately.
Be careful of those who want to sell you all their other services that are supposedly necessary; services you can conveniently get from their colleagues in the same practice.
Do not get too hung up on the chelation protocol, as these will differ and you can devise your own programme simply by researching online.
i came up with a few names and after digging around on the internet, found negative feedback on all but one. So that is the 1 I went with.
It is a shedload of money; i am about halfway. So far i had extraction of an asymptomatic wisdom tooth, having read up on the health risks of these. The difference to my health has been AMAZING, brain fog gone and fatigue greatly reduced. Then i've had 3 mercury fillings out. Still about 4 to go. I never thought i'd get this far.
Expect to pay a hefty fee for an initial consultation. Questions to ask: what are the health risks to you given your particular health issues (eg adrenalin in the injections, etc); what material is used for fillings; what is the chelation programme, what are the mercury removal protocols, ie dental dam, air filtration, etc