4
30 Ratings with 15 written Reviews
Summary
Dr. Mark Fedder specializes in gastroenterology and internal medicine, bringing over four decades of medical expertise to his practice. He earned his medical degree from the University of Illinois at Chicago College of Medicine and completed his residency at the University of Illinois College of Medicine. With 44 years of experience treating digestive health conditions, Dr. Fedder has developed extensive knowledge in both routine and complex gastrointestinal care. He communicates with patients in English.
Dr. Fedder practices at multiple locations throughout Illinois, including Edwardsville, Maryville, and Granite City, with affiliations at Anderson Hospital and Gateway Regional Medical Center. His clinical focus includes treating colon polyps, hemorrhoids, and diverticular disease. He performs essential diagnostic procedures such as colonoscopy and lower gastrointestinal endoscopy with sedation to ensure patient comfort during examinations. Patients have given Dr. Fedder an average …rating of 4.0 out of 5 stars on Vitals.
Read More Read less Dr. Fedder practices at multiple locations throughout Illinois, including Edwardsville, Maryville, and Granite City, with affiliations at Anderson Hospital and Gateway Regional Medical Center. His clinical focus includes treating colon polyps, hemorrhoids, and diverticular disease. He performs essential diagnostic procedures such as colonoscopy and lower gastrointestinal endoscopy with sedation to ensure patient comfort during examinations. Patients have given Dr. Fedder an average …rating of 4.0 out of 5 stars on Vitals.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 44 years of experience
- speaks English
- University Of Illinois College Of Medicine
- 15 written reviews
- 2 specialties
- 11 areas of expertise
- 2 board certifications
- 2 hospital affiliations
- 4 office locations
- Male
Office Locations
Dr. Mark Stephen Fedder has 4 locationsAnderson Surgery Center Llc
3403 Anderson Healthcare DrEdwardsville, IL 62025Mon7:00 am - 3:30 pm
Tue7:00 am - 3:30 pm
Wed7:00 am - 3:30 pm
Thu7:00 am - 3:30 pm
Fri7:00 am - 3:30 pm
SatClosed
SunClosed
Fedder Mark S Office
6812 State Route 162 Ste 211Maryville, IL 62062 Tel: (618) 288-0346
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 4:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  | |
| Dr. Mark Stephen Fedder, MD | Ji Soo Choi, APRN | Jan Seiler, APRN | Dr. Charbel Chafic Khoury, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Nephrology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 44 Years of Experience | 18 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English | |
| Edwardsville , IL | SACRAMENTO , CA | Montgomery , AL | Saint Louis , MO |
| Med School: University Of Illinois At Chicago College Of Medicine | Med School: New York University | Med School: Georgia State University | Med School: AMERICAN UNIVERSITY OF BEIRUT |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Mark Stephen Fedder
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Mark Stephen Fedder has the following 2 specialties
Specialty Expertise
Dr. Mark Stephen Fedder has the following 11 areas of expertise
Certifications, License, & Education
44 Years Experience
MEDICAL LICENSE
Medical Doctor, Illinois, 2026, Active
EDUCATION & TRAINING
Residency
University Of Illinois College Of Medicine
Medical School
University Of Illinois At Chicago College Of MedicineGraduated in 1982
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Frequently Asked Questions
- Does Dr. Mark Fedder accept my insurance?
- You can see the insurance plans that Dr. Mark Fedder accepts on their Vitals profile.
- How can I make an appointment with Dr. Mark Fedder?
- You can find contact information for Dr. Mark Fedder here on Vitals.
- Which hospitals is Dr. Mark Fedder affiliated with?
- Dr. Mark Fedder is affiliated with Anderson Hospital and Gateway Regional Medical Center.
- Does Dr. Mark Fedder accept virtual/telehealth appointments?
- Dr. Mark Fedder has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Mark Fedder's office located?
- Dr. Mark Fedder's office is located at 3403 Anderson Healthcare Dr, Edwardsville, IL, 62025.
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