Many people struggling with opioid addiction can’t find a doctor to provide medication-assisted treatment, even though it’s highly effective. One reason could be that doctors who are qualified to prescribe the medication typically treat just a handful of patients.

Researchers at the RAND Corporation looked at pharmacy records from the seven states with the most doctors approved to prescribe buprenorphine, which helps people manage cravings and avoid withdrawal. They found 3,234 doctors who had prescribed the drug, also known as Suboxone, to new patients from 2010 to 2013. The median number of patients by a doctor treated each month was 13. About half of the doctors treated 4 to 30 patients; 22 percent treated less than 4; 20 percent treated 31 to 75. To read more from NANCY SHUTE, click here.