Republican Sen. Ron Johnson Ronald (Ron) Harold JohnsonThe Hill's Morning Report - Sponsored by Facebook - Trump previews SCOTUS nominee as 'totally brilliant' The Hill's 12:30 Report: Ginsburg lies in repose CHC leaders urge Senate to oppose Chad Wolf nomination MORE (Wis.) is predicting that a tax-cut bill is more likely to come before legislation to repeal and replace ObamaCare this year.

"The tax reform is an easier lift,” Johnson told radio host John Catsimatidis in an interview that aired Sunday on AM 970 in New York.

“Healthcare is a problem because ObamaCare is such a mess. I mean, it is collapsing insurance markets,” the Wisconsin senator added.

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“We may have to break this into two pieces. Do kind of a real triage, a short-term measure to stabilize the markets, then take our time and actually have a healthcare bill that will restrain the cost in healthcare."

Several GOP senators have voiced skepticism about plans to repeal and replace ObamaCare after House Republicans passed a bill early last month.

Deep divisions exist among senators over different aspects of the Affordable Care Act, including its Medicaid expansion.

Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellTrump 'no longer angry' at Romney because of Supreme Court stance On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline The Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power MORE said recently that he wasn't sure how Republicans could get enough support to pass a healthcare bill, suggesting that passing major tax legislation would be easier.

Vice President Pence on Saturday called on senators to pass healthcare reform legislation by the end of the summer, pushing back on Republicans who have questioned the ability to pass a bill this year.