What is the highest dose of methadone SWIY has been on...and gotten off?

[Cruella]

Swim has been asking for info on subutex to get off a high dose of methadone. Recently swim sought the expertise of a clinic that uses this type of detox and walked away more confused than before! There were 2 physicians who spoke to swim and gave two different sets of instructions.

Dr. #1 said there had been a patient just a week ago who lied about the dosage he was taking. He was treated for a 100mg daily habit. The clinic received a frantic phone call a few days later because their patient ended up in the E.R. having some bad withdrawl symptoms. This patient was apparently taking 150mg per day. The clinic took him off suboxone, put him on 60mg of methadone in addition to subutex. Dr. #1 recommended swim do the same.

Dr. #2 told swim to stop taking methadone for as long as possible, suggesting at least 1-2 days if it could be tolerated, then swim would begin taking subutex and only subutex.

Swim is wondering what the highest dosage of methadone swiy has been on and maybe gotten off of. Also if swiy used this method to come off swim would love to hear how it went.

Thanx for your time and input!