A pro-ObamaCare group is targeting five House Republicans on the GOP's tax reform plan, arguing it would increase health-care costs for Americans.

The new digital ads from Save My Care target GOP Reps. Jaime Herrera Beutler Jaime Lynn Herrera BeutlerThis week: House returns for pre-election sprint GOP Rep. Jaime Herrera Beutler advances in Washington primary House votes to curtail Insurrection Act powers MORE (Wash.), Brian Fitzpatrick Brian K. FitzpatrickFlorida Democrat introduces bill to recognize Puerto Rico statehood referendum DCCC reserves new ad buys in competitive districts, adds new members to 'Red to Blue' program 2020 Global Tiger Day comes with good news, but Congress still has work to do MORE (Pa.), Patrick Meehan (Pa.), Dave Reichert David (Dave) George ReichertWashington Rep. Kim Schrier wins primary Mail ballot surge places Postal Service under spotlight Bottom Line MORE (Wash.) and Michael Turner (Ohio).

The House passed its version of tax-reform legislation on Nov. 16, 227-205. The Senate plans to hold its own vote later this week, which would be followed by a bicameral conference to reconcile the two versions.

The ad urges people to call the five Republicans, who voted in favor of the bill, and says there's "still time to right this wrong" and "vote 'no' on any tax plan that hurts our health care."

Save My Care is already airing ads against 14 other House Republicans and aired a national broadcast ad last week urging senators to oppose the bill.

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The tax reform plan forces a $25 billion cut to Medicare and repeals ObamaCare's individual insurance mandate, the ad says.

The Congressional Budget Office (CBO) estimated that repealing the mandate would lead to 13 million fewer people having insurance by 2027.

Repealing the mandate would free up more than $300 billion in government funding to help pay for tax cuts.

The CBO also estimated that the GOP tax bill could trigger automatic cuts worth $136 billion from mandatory spending in 2018, including $25 billion in Medicare cuts, if Congress doesn’t find another way to offset its deficit increases.

GOP leaders hope to get a tax-reform package to President Trump's desk by the end of the year.