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Gastroenterology - SIU Medicine clinic

Gastroenterology - SIU Medicine

Gastroenterology • Springfield, IL • 2 locations listed (Springfield and Decatur) locations

4.0/5(3 reviews)

Information from public sources; not independently verified. Confirm hours, insurance and appointment availability with the clinic.

Last gathered July 11, 2026. How our information is sourced · Report incorrect information

About

Gastroenterology at SIU Medicine in Springfield and Decatur, Illinois provides digestive health care including colonoscopy, gastrointestinal endoscopy, and advanced therapeutic endoscopy. The clinic has multiple locations and offers both in-person and telehealth appointments, with hours Monday through Friday from 8:00 am to 4:30 pm at the Springfield location.

Services Offered

  • Gastroenterology
  • Digestive health
  • Gastrointestinal endoscopy
  • Colonoscopy
  • Advanced therapeutic endoscopy

Team

  • Zafar Quader, MD, Gastroenterology - Gastroenterologist
  • Stephen Holland, MD, Gastroenterology - Gastroenterologist
  • Nevin Corcoran, DNP, FNP-C, Gastroenterology - Certified Nurse Practitioner
  • Christopher Mogren, FNP-BC, Gastroenterology, Pediatric Gastroenterology - Certified Nurse Practitioner
  • Ping Zhang, ANP-BC, Gastroenterology - Certified Nurse Practitioner
  • Jessica Winkleman, FNP-C, Gastroenterology - Certified Nurse Practitioner
  • Abdul Swied, MD, Gastroenterology - Gastroenterologist
  • Shaylee Sullivan, NP-C, Gastroenterology - Certified Nurse Practitioner

Insurance & Payment

Not published.

Languages Spoken

Not published.

FAQs

What is Gastroenterology?

Gastroenterology is the branch of medicine focused on the digestive system and its disorders.

What are the gastroenterology clinic hours?

Mon - Fri: 8:00 am-4:30 pm

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD Care: 4.0 out of 5 stars (based on 3 ratings) (3 ratings, 1 review)

Patients praise

  • Comprehensive care and research-based treatment
  • Staff courtesy (in some experiences)
  • Supervised environment due to medical teaching focus

Common complaints

  • Bedside manner (e.g., rude or dismissive)

"This review is purely based on his rude and dismissive bedside manner."

- WebMD Care review for Dr. Michael Maitar

Synthesized from public review platforms as of Jul 11, 2026 - sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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