37 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Fedder, Gastroenterologist in Maryville, IL?
Dr. Mark Fedder, MD is a Gastroenterologist, who primarily practices in Maryville, IL. He has been practicing for over 37 years and is board certified. 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 Medicare 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 as a 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
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K648: Other hemorrhoids
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
What procedures does Dr. Fedder perform?
As a Gastroenterologist, Dr. Fedder performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Esophageal Balloon Dilation
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
Also known as:
- Esophageal Dilation (Bougie)
- Esophageal Widening
- Bougie Dilation of Esophagus
- Swallowing Tube Dilation
CPT Codes:
- 43450: Dilation of esophagus, by unguided sound or bougie, single or multiple passes
Also known as:
- Upper Endoscopy with Polyp Removal
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
CPT Codes:
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
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
Medicare
State of Tennessee
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?
Yes, Dr. Fedder is affiliated with Anderson Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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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