Dr. Mark Fedder, MD

Dr. Mark Fedder, MD

Gastroenterology  |  
Male  |  
Age 61
(19)
Insurances AcceptedSave
Dr. Mark Fedder, MD is a gastroenterology specialist in Maryville, IL. He graduated from University Of Illinois College Of Medicine Chicago and specializes in gastroenterology.

6810 State Route 162 Ste 211

Maryville, IL 62062

Contact Information

(618) 288-0346

Insurance Accepted

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • Coventry Health Care
  • First Health (Coventry Health Care)
  • HAP Insurance
  • HealthLink
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Fedder

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. Fedder performs your care needs compared to other doctors.

Hemorrhoids
very high
more than 99% of peers
Abdominal Disorders
very high
more than 99% of peers
Ulcer
very high
more than 99% of peers

Dr. Fedder's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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1

Specialties

  • Gastroenterology
2

Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
78

Conditions Treated

  • Abdominal Disorders
  • Abdominal Pain
  • Anal Prolapse
  • Anal or Rectal Pain
  • Anemia
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Biliary Atresia
  • Blood Disorders
  • Cancer
  • Celiac Disease
  • Cholecystitis and Gallstones
  • Cholelithiasis
  • Cirrhosis
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysentery
  • Dysphagia
  • Enteritis
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Cancer
  • Esophageal Diseases
  • Esophageal Diverticulum
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastroparesis
  • Heartburn
  • Hemochromatosis
  • Hemorrhoids
  • Hepatitis B - Immune Response
  • Hepatitis C
  • Hernia
  • Ileus
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Ischemia
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Liver Damage from Alcohol
  • Malnutrition
  • Nausea
  • Neoplasm of Gastrointestinal Tract
  • Non-Alcoholic Fatty Liver Disease
  • Non-Neonatal Jaundice
  • Noninfectious Gastroenteritis and Colitis
  • Pancreatitis
  • Peptic Ulcer
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Small Intestine Cancer
  • Stomach Cancer
  • Stomach Diseases
  • Stomach and Small Intestine Cancer
  • Stomal Ulcer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Viral Enteritis
  • Viral Hepatitis
  • Vomiting Disorders

More

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8

Procedures

  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Gastroenterology Procedures
  • Hemorrhoidectomy or Excision of Anal Tags
  • Incision and Removal of Foreign Object
  • Liver Biopsy

Background Check

0 Malpractice Claims

No malpractice history found for Illinois.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • University Of Illinois College Of Medicine Chicago
    Medical School | Graduated
  • University Ill Hospital
    Internship Hospital | Completed
  • University Ill Hospital
    Residency Hospital | Completed
  • University Ill Hospital
    Fellowship Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Fedder has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Fedder does not have any memberships or affiliations listed. If you are Dr. Fedder and would like to add memberships or affiliations, please update your profile.

Dr. Fedder's Reviews

Likelihood of recommending Dr. Fedder to family and friends
3.7
based on 19 total reviews (3 with comments)

Likelihood to Recommend (19)

  • 5
    (11)
  • 4
    (1)
  • 3
    (2)
  • 2
    (0)
  • 1
    (5)

Dr. Fedder's Performance

Trustworthiness
VERY GOOD
Explains condition(s) well
VERY GOOD
Answers Questions
VERY GOOD
Time well spent
VERY GOOD

Office & Staff Performance

Scheduling
VERY GOOD
Office environment
VERY GOOD
Staff friendliness
GOOD
Average wait time
10 to 15 minutes

Patient Comments (3)

in Belleville, IL |
Dr Fedder was amazing! Very patient and explained everything that would happen before going into surgery. Unfortunately his office staff is not very helpful. When specifically asked if they took my insurance, I was informed absolutely and everything would be billed. When everything was said and...more
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in Glen Carbon |
Dr Fedder has been my gastroenterologist since 2005 when he found a suspicious lesion. He is such a kind and considerate doctor. He explains all and puts me at ease. I highly recommend him.
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in Edwardsville, IL |
Dr Fedder was very informative about my husband's procedure. He saw him before and after and explained everything to both of us. Even though he had many procedures that day he did not seemed rushed and his bedside manner was the best my husband has experienced. I will definitely see him when I have...more
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Visit Dr. Fedder

Now Accepting New Patients
Dr. Fedder accepts 9 insurance carriers
  • Aetna
    Choice Plus POS II
  • Anthem Blue Cross Blue Shield
    Anthem Blue Cross Blue Shield HMO
    Anthem Blue Cross Blue Shield PPO
    Blue Preferred Plus POS
  • Blue Cross Blue Shield
    Blue Card PPO
  • Cigna
    Cigna HMO
    Cigna PPO
    Open Access Plus
  • Coventry Health Care
    Coventry Health America PPO
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • HAP Insurance
    Health Alliance PPO
  • HealthLink
    HealthLink PPO
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Fedder has admitting privileges

Anderson Hospital
6800 State Route 162
Maryville, IL 62062
View Hospital Profile

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