1,500 were in the Regional Hospital Tullamore.
Nearly 3,000 patients were waiting for inpatient or day case appointment at a midlands hospital at the end of May.
New data from the National Treatment Purchase Fund shows 1,500 of those were in Regional Hospital Tullamore, followed by 885 in Mullingar, 409 in Portlaoise.
Almost 350 of the total figure in the region were children.
Nationally, over 87,000 patients are waiting for an appointment, which is 882 more than the figure in April.
As of the end of May, there were more than 705,000 patients in total on hospital waiting lists.
Two Men In Court Over Westmeath Assault
Offaly Man Reflects On Meeting Brad Pitt In the 90's
Laois Soccer Club Marks 60th Anniversary with 12 Hour Football Marathon
Glow In The Dark Sliotar Wins Student Enterprise Finals
Tanaiste Congratulates Laois School On Robotics Award
Bike Week Kicks Off In Laois Tomorrow
Two Men Jailed After Brutal Attack On Vulnerable Midlands Resident
Rose Of Tralee To Lead Darkness Into Light Walk In Laois Town
Midlands Actor Cast As John Lennon In New BBC Beatles Drama
Irish Rail To Provide Extra Services For Leinster Football Final
SIPTU Members At Offaly Sterilisation Plant To Take Strike Action
Laois County Council Seeking New Funding For STEM Officer Role
Longford-Westmeath TD Welcomes New IDA Facility
Retired Postal Workers Stage Nationwide Protests Over Pension Disputes
Laois Rental Homes Issued Improvement Notices Following Inspections
IDA Commits To State-Of-The-Art Midlands Development
Medical Card Holders Cut Off From Dental Care
Plans For New Café Lodged In Westmeath
Two Ryanair Passengers Jailed And Fined €10k for Disruptive Behaviour
Communication And Safety Highlighted At National Older Peoples Convention