Government payer reimbursements must go up, but cost controls are necessary as well to drive out a profit motive. Yes, I'm aware that the limited quota on residency slots is also a problem that needs solving for.
https://www.commonwealthfund.org/publications/fund-reports/2...
https://www.commonwealthfund.org/publications/explainer/2019...
https://www.politico.com/agenda/story/2017/10/25/doctors-sal...
https://www.vox.com/22989930/residency-match-day-physician-d...