Some people are paying as high as €75 per to visit their GP.
Prices tend to be higher in urban centres, where there are frequent doctor shortages.
On the other hand, some people are only paying €26 per visit.
The varied responses are contained in an Ipsos B&A poll for the Department of Health.
The poll reports that Dublin is the most expensive, with 48% of private patients there paying more than €50.
2% of people surveyed are paying €75 nationwide.
The Irish Independent reports, thousands of those who became eligible for free GP visits have yet to claim the benefit.
The survey reveals 1 in 6 are paying between €26 and €50 for a GP appointment.
While more than a third are paying between €51 and €75.