Maya C. Miller / CalMatters

Rep. David Valadao voted to slash federal funding to Medi-Cal even though he represents a district where two-thirds of constituents rely on it for health care.

Dr. Jasmeet Bains, a Bakersfield assemblymember, hopes to harness voter outrage at Valadao’s decision to support President Donald Trump’s sweeping domestic policy bill, which experts say could strip health insurance from millions of low-income Californians.