Infrastructure Minister Michelle Haywood says sending patients for treatment is costing her department more than £650,000 a year.
This week in the House of Keys she faced questions about non-emergency transport from Onchan MHK Julie Edge.
Miss Edge wanted more details about the service after the DOI took it over.
Dr Haywood said it was difficult to give concrete figures for its cost:
No island-based evidence to support 20mph limit
Infrastructure Minister Michelle Haywood says her department looked at London, Belgium and other places before deciding to lower the Island's default urban speed limit.
UCM announces it'll go non-Nunnery
The Island's college says it's scrapping classes at the Nunnery and moving them elsewhere.
Celebrate 175 years with half price pints!
The Island's largest brewery says it's more than halving the price of a pint on Friday to mark a special anniversary.
Ibiza lounge hopes to make Peel return this summer
A seaside lounge in Peel that proved a hit with revellers last summer is hoping to return - for four months.
No plans to change collective pay bargaining in government
The government says it has no plans to change the way it negotiates pay with unions and other bodies.
Chloe makes history on Peel lifeboat
Peel Lifeboat station is celebrating after getting its first ever woman coxswain.
Fewer surgery sessions but more operations, says minister
The number of surgery sessions at Noble's Hospital has fallen by more than 17 per cent in a year, new figures show.
Register for organ donation as opt-out system approaches
People are being urged to register as the Isle of Man moves toward opt-out organ donations.
