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Dr. Mark Fedder, MD

Internal Medicine* Age 67
Dr. Mark Fedder, MD
3.3 (24 Ratings)
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Dr. Mark Fedder, MD is an Internist in Maryville, IL.
Dr. Mark Fedder, MD
3.3 (24 Ratings)
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Dr. Mark Fedder, MD

Internal Medicine* Age 67
Maryville, IL
Call for new patient details
42 years of experience
Dr. Mark Fedder, MD is an Internist in Maryville, IL.

About

Dr. Mark Fedder, MD is an Internist in Maryville, IL and has 42 years experience. They graduated from University of Illinois College of Medicine. They currently practice at Practice and are affiliated with Anderson Hospital. Dr. Fedder has experience treating conditions like Hemorrhoids and Constipation among other conditions at varying frequencies. At present, Dr. Fedder received an average rating of 3.3/5 from patients and has been reviewed 24 times. Their office is not accepting new patients. Dr. Fedder is board certified in Internal Medicine and accepts multiple insurance plans.

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Experience Check

Enter a condition or procedure
Hemorrhoids
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Constipation
Hemorrhoids
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Constipation
Hemorrhoids
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Constipation
Intestinal Diverticulosis
Congenital Anomaly Esophagus
Diarrhea
  • View other providers who treat Diarrhea
Gastroesophageal Reflux Disease (GERD)
Irritable Bowel Syndrome
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Abdominal Pain
Anemia
  • View other providers who treat Anemia
Chronic Gastritis
Colorectal Polyp
Crohn's Disease
Diaphragmatic and Hiatal Hernia
Dysphagia
Esophageal Motility Disorders
Esophageal Ulcer
Esophagitis
Gastric Ulcer
Gastritis
Gastrointestinal Bleeding
Inflammatory Bowel Disease
Intestinal Diverticulitis
Intestinal Obstruction
Intestinal Ulcer
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
Vitamin_Deficiency
Duodenal Polypectomy
Endoscopy
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Acute Gastritis
Alcoholic Cirrhosis
Alcoholic Hepatitis
Anal or Rectal Pain
Ascites
  • View other providers who treat Ascites
Barrett's Esophagus
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Bowel Strangulation
Cholangitis
Chronic Cholecystitis
Cirrhosis
Dehydration
Diffuse Esophageal Spasm
Duodenal Cancer
Duodenal Ulcer
Duodenitis
Dysentery
Enteritis
Eosinophilic Esophagitis
Esophageal Diverticulum
Esophageal Varices
Familial Adenomatous Polyposis
Food Allergy
Gallstones
Gas-Bloat Syndrome
Gastroparesis
Gastroptosis
Heartburn
Hepatitis A
Hepatitis C
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Hypokalemia
Ileus
  • View other providers who treat Ileus
Indigestion
Infectious Diarrheal Disease
Ischemic Colitis
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Malnutrition
Nausea
  • View other providers who treat Nausea
Non-Neonatal Jaundice
Pancreatic Pseudocyst
Pancreatitis
Pelvic Abscess
Peptic Ulcer
Pyloric Stenosis
Rectal Ulcer
Retroperitoneum Cancer
Splenomegaly
Stomal Ulcer
Ulcerative Colitis
Unexplained Weight Loss
Upper Digestive Tract Cancer
Viral Enteritis
Viral Hepatitis
Vitamin B Complex Deficiency
Vitamin B12 Anemia
Vomiting Disorders
Bile Duct Procedure
Colon Cancer Screening
Colorectal Cancer Screening
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Laparoscopic Removal of Stones from Biliary Tract
Liver Biopsy
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Choice Plus POS II
    Elect Choice (Open Access) EPO
    Managed Choice (Open Access) POS
    Open Choice PPO
    Premier Care Network Plus - Innovation Health
    Savings Plus of IL OA Select
  • Blue Choice Select PPO
    Blue Cross Blue Shield of Illinois PPO
    Blue Print PPO
  • Blue Card High Performance Network HPN
    Blue Card PPO
  • Cigna PPO
    Open Access Plus
  • Curative EPO
    Curative PPO
    Curative PPO Plus
  • First Health (Coventry Health Care) PPO
  • Health Alliance PPO
  • Health Alliance HMO-POS
  • Choice Care Network PPO
    Choice Care PPO
    Choice POS
  • Choice Plus POS
    Medica Choice
    Navigate HMO
    Navigate POS
    Nexus Open Access
    Options PPO

Locations

  1. 1 Office
    6812 State Route 162 Ste 211, Maryville, IL 62062
    Icon Directions Right Arrow Directions Phone Icon (618) 288-0346
  2. 2 Anderson Surgery Center LLC
    3403 Anderson Healthcare Dr, Edwardsville, IL 62025
    Icon Directions Right Arrow Directions Phone Icon (618) 298-8350
  3. 3 Office
    6812 State Route 162 Ste 204, Maryville, IL 62062
    Icon Directions Right Arrow Directions Phone Icon (618) 391-5070

Patient Satisfaction

Likelihood to recommend Dr. Fedder
3.3
Based on 24 Reviews
5 Stars (12)
4 Stars (1)
3 Stars (2)
2 Stars (0)
1 Star (9)

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Patient Reviews
Mar 10, 2018
Dr. Fedder was very thorough in explaining my husband's procedure to us. He has a great bedside manner and explained things in layman's terms. Would definitely recommend him.
Janni — Mar 10, 2018
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Photo: Dr. Mark Fedder, MD
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Dr. Fedder's Office & Staff

  • Ease of scheduling urgent appointments
  • Office environment, cleanliness, comfort, etc.
  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Fedder

  • Level of trust in provider's decisions
  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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About Me

Specialties*
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • University of Illinois College of Medicine
    1982
Medical Education

Board Certifications

Board Certifications
  • Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Fedder communicate via email?
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Does Dr. Fedder offer telehealth services or virtual visits?
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Does Dr. Fedder offer an online patient portal?
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Does Dr. Fedder have free onsite parking?
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Does Dr. Fedder offer weekend visits?
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Does Dr. Fedder offer evening visits?
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Does Dr. Fedder specialize in working with children or adolescents?
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Does Dr. Fedder specialize in working with seniors?
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Does Dr. Fedder specialize in couples therapy?
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Does Dr. Fedder specialize in working with LGBTQ+ community?
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Does Dr. Fedder accept insurance?
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Mark Fedder, MD. To arrange an appointment, call the number on Dr. Fedder's profile.

Dr. Fedder frequently treats the following conditions: Hemorrhoids and Constipation. See more on Sharecare.

Dr. Mark Fedder, MD is affiliated with Anderson Hospital.

Yes, Dr. Mark Fedder, MD holds board certification in Internal Medicine.

Hospital Affiliations

  • Anderson Hospital

    6800 State Route 162, Maryville, IL