Male 67 years


Dr. Mark S Fedder, MD



Internal Medicine   -  Illinois,  Maryville

 Overview

Dr. Mark S Fedder, MD works in Maryville, Illinois is a specialist in Internal Medicine, Gastroenterology and graduated University Ill Hospital in 1988. Dr. Fedder is affiliated with Anderson Hospital and practicing for 41 years

 Specialties

  • Internal Medicine
  • Gastroenterology

 Conditions

• Acupuncture Meridian Therapy
• Aneurysmal Bone Cyst
• Blindness
• Chronic Pain Management
• Cirrhosis
• da Vinci® Prostate Removal
• da Vinci® Prostate Surgery
• Diabetic Retinopathy
• Duodenitis
• Dystonia 7, Torsion
  ...
• Endophthalmitis
• Esophageal Achalasia and Cardiospasm
• Ethmoidectomy (Sinus Surgery)
• Exercise Management
• Female Pelvic Disorders
• Glaucoma - Ectopia Microspherophakia - Stiff Joints - Short Stature
• Guar Gum Allergy
• Herpes Simplex Virus Antenatal Infection
• Inflammatory Bowel Disease
• Islet Cell Adenoma
• Laparoscopic Salpingectomy
• Lens Disorders
• Lower Back Injuries
• Marijuana Amotivational Syndrome
• Maxillary and Malar Fractures
• Minimally Invasive Resection of Mediastinal Tumor
• Neuropathic Diseases and Disorders
• Optic Ataxia
• Orbital Fracture
• Panic Disorder With Agorapobia
• Pinkeye (Conjunctivitis)
• Polycystic Ovarian Syndrome
• Primary Progressive Multiple Sclerosis
• Pterygium
• Pulmonary Incompetence
• Radical Retropubic Prostate Removal
• Radiesse® Injections
• Renal Artery Stenosis (RAS)
• Restylane® Injections
• Retinal Laser Photocoagulation
• Retinal Testing
• Retrograde Pyetograms
• Scrambler Therapy (ST5)
• Screening Colonoscopy
• Septal Perforation Repair
• Shoulder Arthroscopy
• Stomach Surgery
• Thoracoscopic Segmentectomy
• Throat Culture
• Throat Swab
• Thromboendarterectomy or Excision of Infected Graft
• Tonsillitis
• Vaginal Cancer
• Vulvar Cancer
 more details

 Procedures

• Abdominal Pain
• Anemia
• Anoscopy
• Barrett's Esophagus
• Benign Neoplasm of the Digestive System
• Biliary Atresia
• Cholecystitis and Gallstones
• Cirrhosis
• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Colorectal Cancer
  ...
• Crohn's Disease (Regional Enteritis)
• Diaphragmatic and-or Hiatal Hernia
• Diverticulitis, Intestinal
• Diverticulosis, Intestinal
• Diverticulum of Esophagus
• Duodenal Ulcer
• Duodenitis
• Dysentery
• Dysphagia
• Endoscopy (Esophagus, Stomach, Small Intestine)
• Enteritis
• Esophageal Achalasia and Cardiospasm
• Esophageal Cancer
• Esophageal Ulcer
• Esophageal Varices
• Esophagitis
• Gas-Bloat Syndrome
• Gastric Ulcer
• Gastritis
• Gastroesophageal Reflux Disease (GERD)
• Gastrointestinal Bleeding
• Gastrointestinal Malabsorption
• Gastrojejunal Ulcer
• Gastroparesis
• Heartburn
• Hemochromatosis
• Hemorrhoidectomy or Excision of Anal Tags
• Hemorrhoids
• Hepatitis B - Immune Response
• Hepatitis C
• Hepatopulmonary Syndrome
• Ileus
• Indigestion
• Intestinal Obstruction
• Irritable Bowel Syndrome
• Liver Biopsy
• Malnutrition
• Neoplasm of Gastrointestinal Tract
• Non-Neonatal Jaundice
• Pancreatitis
• Peptic Ulcer
• Pyloric Stenosis
• Small Intestine Cancer
• Stomach and Small Intestine Cancer
• Stomach Cancer
• Ulcerative Colitis
• Unexplained Weight Loss
• Vascular Insufficiency of Intestines
• Vomiting Disorders
 more details

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 41

 State License

  • Illinois

 Education & Training

Fellowship Hospital

University Ill Hospital

Chicago, IL, USA

Year completed: 1988

Medical School

University Of Illinois College Of Medicine Chicago

Chicago, IL, United States

Graduated: 1982

 Awards

1   ACP
2   AGA

 Dr. Fedder Reviews

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 Office Locations


Primary location

 Mark S Fedder MD
6810 State Route 162 Suite 211
Illinois (IL)
Maryville
62062
 Phone:(618) 288-0346
Additional data:
Free Standing Surgery Center?    No
Office Volume:    10 patients per day
Performs Procedures On Site?    No

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



Mark S Fedder MD, 6810 State Route 162 Suite 211, Maryville, Illinois (IL), 62062




 Insurances Accepted (check insurance plans)

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Anthem Blue Cross Blue Shield HMO
  • Anthem Blue Cross Blue Shield PPO
  • Assurant Health
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Illinois PPO
  • Blue Preferred Plus POS
  • Blue Preferred Select
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna HMO
  • Cigna PPO
  • Commercial Insurance Company
  • CoreSource
  • Coventry Health Care
  • Coventry Health Care of Illinois
  • Coventry Health Care of Illinois PPO
  • Coventry Health Care of Kansas, Inc.
  • Coventry Health Care of Kansas, Inc. PPO
  • Coventry Health Care of Missouri
  • Coventry Health Care of Missouri PPO
  • First Health (Coventry Health Care)
  • First Health (Coventry Health Care) PPO
  • Golden Rule
  • Great West Healthcare-Cigna PPO
  • Group Health Cooperative
  • Health and Life PPO
  • HealthLink
  • HealthLink PPO
  • Mail Handlers Benefit Plan (MHBP)
  • Medicaid
  • Medicare
  • Medicare MCR
  • Medico
  • MultiPlan
  • MultiPlan PPO
  • Navigate HMO
  • Navigate POS
  • Open Access Plus
  • Options PPO
  • PHCS Network PPO
  • Platinum PPO
  • Thrivent Financial
  • United Healthcare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. Mark S Fedder, MD are not present.

 Patients Questions

Patients questions for Dr. Mark S Fedder, MD are not present.

 Affiliated Hospitals


Anderson Hospital photo


Anderson Hospital

6800 State Route 162 Illinois IL, Maryville, 62062

Anderson Hospital is a hospital located in Maryville, IL. Procedures/Diagnosis costs are above the state average in 3 of 7 procedures. Length of Stay is at the state average in 6 of 7 procedures.



  •  Latest reviews for Internal Medicine specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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