At no point along his three-year path to earning a degree in physical therapy has Matthew Lee worried about getting a job. Being able to make a living off that degree? That’s a different question — and the answer is affecting the supply of physical therapists across the nation: The cost of getting trained is out of proportion to the pay.

As many patients seeking an appointment can attest, the nationwide shortage of PTs is real. According to survey data collected by the American Physical Therapy Association, the job vacancy rate for therapists in outpatient settings last year was 17%.