California Attorney General Rob Bonta announced Monday that he is throwing his weight behind legislation to bar medical debt from showing up on consumer credit reports, a Democratic-led effort to offer protection to patients squeezed by health care bills. Bonta is a sponsor of Sen. Monique Limón’s bill, which seeks to block health care providers, as well as any contracted collection agency, from sharing a patient’s medical debt with credit reporting agencies. It would also prevent credit reporting agencies from accepting, storing, or sharing any information concerning medical debt. Medical deb…