From a British Medical Journal (BMJ) online article:
…primary care providers (general practice, paediatrics, and internal medicine) performed the best, giving a considerably lower percentage of antibiotic prescriptions without a documented indication (12%) than other specialists such as gynaecologists and urologists, who commonly prescribed antibiotics (24%), as well as those in all other specialties (29%).
As many as two in five antibiotic prescriptions (43%) provided in outpatient settings in the US could be inappropriate, a study published by The BMJ has found.1
Researchers from Oregon, USA, looked at prescriptions in ambulatory settings such as primary care and found that a quarter (25%) were deemed to be inappropriate, while a further 18% did not have an indication.
To read more: https://www.bmj.com/content/367/bmj.l6961