Josh Earnest said the Israeli leader "walked back" from commitments to a two-state solution.
The GOP senator said, "that's a terrible precedent that he's set."
"It helped him consolidate his coalition," the congressman said.
The stunning victory followed a move to the right.
The Israeli people are not a monolithic entity.
It has been almost two weeks since the address to Congress, but the dust has not yet settled.
OPINION | Diplomacy must be given every opportunity to succeed.
"I think it's useful to remember who is your ally," he said.
Opposition leader Isaac Herzog is weeks away from an election with Netanyahu and his party.
"It's a very bad deal. We're better off without it," he told lawmakers.
Rep. Lee Zeldin said members should be "standing with Israel in this critical hour."
A spokesman said officials "continue to have all of these options on the table."
Netanyahu said "circumstances have to change."
An aide said Kerry called Netanyahu to congratulate him; Obama will call soon.
The White House has not formally congratulated the Israeli leader.
It's unclear whether Israeli Prime Minister Netanyahu will retain power.
Now that Netanyahu has dropped his pretense of supporting Palestinian statehood, the US must...
Maybe it makes sense to look at his record.
It seems that the president will not hesitate to contradict himself.
"The Stand with Israel Act of 2015 sends a clear message," Paul said.
He is forcing the Middle Eastern countries to address a common enemy with comparatively little...
The Israeli leader urged lawmakers to oppose negotiations.
Rep. Brad Sherman skips event in protest of ad criticizing Rice.
UN ambassador defends Obama diplomacy at pro-Israel conference.