
Jason J. McAllaster, DO
General Surgery • Effingham, IL • Since 1939
About
Jason J. McAllaster, DO is a provider affiliated with Springfield Clinic, part of the clinic’s network of physicians. He practices within the Effingham area as part of Springfield Clinic’s multi-specialty care offerings. The clinic operates 5 offices, including locations in Springfield, IL, and provides comprehensive primary and specialty care across more than 80 medical disciplines. For appointment availability or further details about Dr. McAllaster’s specialties, contact Springfield Clinic's main numbers or visit the Springfield Clinic website.
Clinic Type
General Surgery
Address
300 North Maple Street, Effingham, IL 62401-2003
Phone
(217) 342-4151
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Opening Hours
Open Now • Closes at 5:00 PM
Services Offered
Team
Insurance & Payment
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Languages Spoken
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Social Media
Photos

What Patients Say
Overall sentiment across review platforms: positive
- WebMD: 4.5/5 (12)
- U.S. News & World Report: 5/5 (243)
- Vitals: 4.4/5 (Not explicitly stated)
Patients praise
- High patient satisfaction rankings nationally
- Clear explanations of conditions and treatments
- Thorough examinations
- Good bedside manner
Common complaints
- Reports of significant wait times and lack of communication before surgery
"Clearly Explains Performs Thorough Exams Great Bedside Manner Patient."
— U.S. News & World Report"TERRIBLE. I was to be 2nd surgery patient. Left me laying on OR prep bed for over 3 hours. He NEVER came past curtain to see me."
— HealthgradesSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
Information sourced from the clinic's website as of . Own this clinic? Claim or correct this listing.
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