37 Years of Experience
Accepting patients
Who is Dr. Fedder, Gastroenterologist in Maryville, IL?
Dr. Mark Fedder, MD is a Gastroenterologist, who primarily practices in Maryville, IL with 1 additional practice location. He has been practicing for over 37 years and is board certified by the American Board of Internal Medicine. Dr. Fedder graduated from University of Illinois College of Medicine and completed his residency at Univ Il Coll Of Med, Gastroenterology; Univ Il Coll Of Med, Internal Medicine. Dr. Fedder is fluent in English and Spanish, and is currently seeing new patients. Dr. Fedder’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fedder’s office at (618) 288-0346.
Where did Dr. Fedder go to medical school and complete their residency?
Residency: Univ Il Coll Of Med, Gastroenterology; Univ Il Coll Of Med, Internal Medicine | University of Illinois College of Medicine at Chicago Program
Medical School: University Of Il Coll Of Med- Chicago Il | University of Illinois College of Medicine
Is Dr. Fedder board certified in Gastroenterologist?
Yes, Dr. Mark Fedder, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Fedder speak?
Dr. Fedder and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Fedder treat?
As a Gastroenterologist, Dr. Fedder diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Fedder. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K648: Other hemorrhoids
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
- D649: Anemia, unspecified
Also known as:
- Benign Ascending Colon Polyp
- Benign Sigmoid Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
- Non-cancerous sigmoid colon growth
- Sigmoid colon adenoma
- Sigmoid colon benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
- D125: Benign neoplasm of sigmoid colon
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Abnormal Bowel Movements
- Bowel Movement
- Unusual stool
- Changes in poop
- Fecal changes
ICD-10 Codes:
- R195: Other fecal abnormalities
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Esophageal Web
- Birth Defects
- Esophagus Disorder
- Congenital Esophageal Web
- Esophagus Narrowing at Birth
- Web in Esophagus
ICD-10 Codes:
- Q394: Esophageal web
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- Family History of Digestive Organ Cancer
- Cancer
- Family History
- Genetic risk for gastrointestinal cancer
- Family history of GI cancer
- Hereditary digestive cancer
ICD-10 Codes:
- Z800: Family history of malignant neoplasm of digestive organs
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Ulcerative Colitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
ICD-10 Codes:
- K5190: Ulcerative colitis, unspecified, without complications
Which procedures does Dr. Fedder perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Mark Fedder may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Fedder's office.
Does Dr. Fedder accept my insurance?
Dr. Fedder accepts most major insurance plans. Important: Please call our office at (618) 288-0346 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Fedder accept in Maryville, IL?
Dr. Fedder in Maryville, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
BCBS Unspecified
Cigna
CVS Health (formerly Aetna)
Essence Healthcare
Medicare
Molina
Mutual of Omaha
State of Illinois
UnitedHealthcare
View All Insurances
Where is Dr. Fedder's office located?
Dr. Mark Fedder's Primary Practice
6810 State Route 162 Ste 211
Maryville, IL 62062
(618) 288-0346
What is Dr. Fedder's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Fedder's National Provider Identifier (NPI) number is 1922009943.
What common questions do patients ask about Dr. Fedder?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Fedder
What is Dr. Mark Fedder's specialty?
Dr. Fedder is a Gastroenterologist near Maryville, IL. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Fedder to book an appointment today.
Is this Dr. Mark Fedder affiliated with a ranked Castle Connolly Top Hospital?
No, Fedder is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Mark Fedder accepting new patients in Maryville, IL?
Yes, Dr. Mark Fedder is accepting new patients at this time.
Does Dr. Mark Fedder offer online booking?
Please contact Dr. Fedder's office at (618) 288-0346 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mark Fedder?
Please contact Dr. Fedder's office at (618) 288-0346 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mark Fedder have?
Dr. Mark Fedder is certified by the American Board of Internal Medicine.
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