The most recent version only requires a vote on the amendment.
"There's not enough reason for someone to vote for" it, he said.
Congress has raised the debt ceiling 10 times in the past decade, but a new crop of conservative Republicans who helped their party win control of the House in last year's midterm election vowed to use the issue this year to force spending cuts.
Democrats, including Obama, sought to couple those cuts with new revenues from ending tax loopholes, but GOP lawmakers rejected the idea.
Cummings said the lack of any new revenue was a top concern for him, and the reason he voted against the bill.
"First we were talking about making sure the rich paid more taxes, then we were talking about loopholes — off the table," Cummings said. adding that constituents writing his office opposed the measure roughly nine-to-one.
"Now, we've got some language that talks about you might bring it up … but I see no incentive for them to do it. And that concerns me greatly."
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Baltimore Sun reporter Timothy B. Wheeler contributed to this article.
How they voted
Here is how Maryland's lawmakers voted on the bill to raise the debt ceiling.
Voting 'No'
Rep. Elijah E. Cummings, D-7th District
Rep. Donna F. Edwards, D-4th District
Rep. Andy Harris, R-1st District
Rep. John Sarbanes, D-3rd District
Voting 'Yes'
Rep. Roscoe G. Bartlett, R-6th District
Rep. Steny Hoyer, D-5th District
Rep. C.A. Dutch Ruppersberger, D-2nd District
Rep. Chris Van Hollen, D-8th District
