The figures were released to Sinn Féin's Health Spokesperson
Some 2,678 appointments at Naas General Hospital have been cancelled since the beginning of the year.
This represents an 8-fold increase at Naas General Hospital alone compared to the same period last year, according to figures obtained by Sinn Féin.
More than 85,000 hospital appointments have been cancelled so far this year across the state, including more than 24,000 in April.
Patricia Ryan, Sinn Féin TD for Kildare South, has raised concerns about the number of cancellations.
Deputy Ryan has said that dysfunction across the health service is driving a vicious cycle of overcrowding, cancellations, and long waits, and that a multi-annual plan is needed to expand hospital capacity and develop a sustainable workforce.
The data was released by the HSE to Sinn Féin spokesperson on Health, David Cullinane TD.
Teachta Ryan said: “It is clear that there is a vicious cycle of overcrowding, cancellations and long waits in the health service. A multi-annual plan is needed to expand hospital capacity and develop a sustainable workforce.
“There is a deficit of 1,000 acute inpatient beds in hospitals, and there are now more than 6,000 people waiting for home support across the state.
“There are hundreds of delayed discharges every year because of the lack of community recovery beds and home support.
“The health service is not delivering the right care in the right place at the right time. We are seeing this across primary care now, with longer waiting times for GPs and dentistry, which will lead to worse health outcomes.
“Waiting times are rising across the board. All of this dysfunction is leading to more emergency presentations which in turn lead to more cancellations. It is a vicious cycle which has not been broken.
“In the meantime, patients in Kildare are forced to pay the price for the government’s failure to get to grips with the crisis in our health service," she added.