Male wearing white medical coat smiling in outdoor setting

Jason J. McAllaster, DO

General Surgery

About This Provider

Dr. McAllaster provides comprehensive evaluation and treatment in general, laparoscopic and endoscopic surgery.

Top 10% Patient Experience

This provider ranks in the top 10% nationally in patient experience, based on scores from the "Care Provider Overall" question on surveys completed with Press Ganey.



  • University of Health Sciences College of Osteopathic Medicine, Kansas City, MO


  • General Surgery, Des Peres Hospital, St. Louis, MO

Board Certifications

  • Surgery

Professional Memberships

  • American Osteopathic Association
  • Effingham County Medical Society
  • American College of Osteopathic Surgeons
  • Illinois State Medical Society


Exterior of single story brick medical office building in Effingham, Illinois

Springfield Clinic Effingham

300 North Maple Street

Effingham, IL 62401-2003

Closed • Opens at 7:45 AM