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Dr. Erik Thyssen, MD
Gastroenterology* Age 68
Dr. Erik Thyssen, MD
Dr. Erik Thyssen, MD is a Gastroenterologist in Saint Louis, MO.
Dr. Erik Thyssen, MD

Dr. Erik Thyssen, MD

Gastroenterology* Age 68
Saint Louis, MO
Accepting new patients
42 years of experience
Dr. Erik Thyssen, MD is a Gastroenterologist in Saint Louis, MO.
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About Dr. Erik Thyssen, MD

Dr. Thyssen graduated from UNIVERSITY OF COPENHAGEN / SCHOOL OF DENTISTRY. Dr. Erik Thyssen, MD is a Gastroenterologist in Saint Louis, MO and has 42 years experience. Dr. Thyssen has experience treating conditions like Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis, Diaphragmatic and Hiatal Hernia, Nausea, Intestinal Diverticulosis, Intestinal Ulcer, Gastrointestinal Malabsorption, Constipation, Abdominal Pain, Irritable Bowel Syndrome and Diarrhea among other conditions at varying frequencies. Dr. Thyssen's office accepts new patients. Dr. Thyssen also speaks Danish. Dr. Thyssen is board certified in Gastroenterology and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Inflammatory Bowel Disease
Crohn's Disease
Ulcerative Colitis
Inflammatory Bowel Disease
Crohn's Disease
Ulcerative Colitis
Diaphragmatic and Hiatal Hernia
Nausea
  • View other providers who treat Nausea
Intestinal Diverticulosis
Intestinal Ulcer
Gastrointestinal Malabsorption
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Constipation
Abdominal Pain
Irritable Bowel Syndrome
Diarrhea
  • View other providers who treat Diarrhea
Intestinal Diverticulitis
Colonoscopy
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Gastroesophageal Reflux Disease (GERD)
Duodenitis
Gas-Bloat Syndrome
Colorectal Polyp
Gastroptosis
Chronic Gastritis
Dysphagia
Rigid Proctosigmoidoscopy
Manometry
Flexible Sigmoidoscopy
Barrett's Esophagus
Unexplained Weight Loss
Eosinophilic Esophagitis
Duodenal Polypectomy
Gastritis
Endoscopy
Anemia
  • View other providers who treat Anemia
Celiac Disease
Esophageal Motility Disorders
Noninfectious Gastroenteritis and Colitis
Esophagitis
Malnutrition
Gastrointestinal Bleeding
Gastric Ulcer
Hypokalemia
Pancreatitis
Reflux Esophagitis
Esophageal Ulcer
Hemorrhoids
Heartburn
Enteritis
Gastroparesis
Vomiting Disorders
Dehydration
Anal or Rectal Pain
Intestinal Obstruction
Gallstones
Vitamin_Deficiency
Acute Gastritis
Cirrhosis
Esophageal Achalasia and Cardiospasm
Hepatitis C
Pouchitis
Upper Digestive Tract Cancer
Alcoholic Cirrhosis
Alcoholic Fatty Liver
All Types of Food Poisoning
Anal Sphincter Dysplasia
Ascites
  • View other providers who treat Ascites
Autoimmune Hepatitis
Bacterial Dysentery
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Biliary Cirrhosis
Bowel Strangulation
Cholangitis
Colon Cancer
Congenital Anomaly Intestine
Cyclical Vomiting
Diffuse Esophageal Spasm
Duodenal Cancer
Duodenal Ulcer
Dysentery
E. coli Food Poisoning
Ehlers-Danlos Syndrome
Esophageal Diverticulum
Esophageal Varices
Familial Adenomatous Polyposis
Folate Deficiency Anemia
Food Allergy
Gastrojejunal Ulcer
Hemochromatosis
Hepatitis B
Hepatitis B - Immune Response
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Hiatal Hernia with Obstruction
Ileus
  • View other providers who treat Ileus
Indigestion
Infectious Diarrheal Disease
Intestinal Fistula
Intestinal Prolapse
Ischemic Colitis
Lactose Intolerance
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Megacolon
Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
Peptic Ulcer
Pernicious Anemia
Primary Biliary Cholangitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Rectal Ulcer
Retroperitoneum Cancer
Sclerosing Mesenteritis
Splenomegaly
Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin B12 Anemia
Anoscopy
  • View other providers who treat Anoscopy
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
Liver Biopsy
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Sigmoidoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • First Health (Coventry Health Care) PPO
  • Choice POS
    Choice Care PPO
    Choice Care Network PPO
  • Alliance EPO
  • Blue Cross Blue Shield of Illinois PPO
    Blue Print PPO
  • Choice Plus POS II
    Elect Choice (Open Access) EPO
    Managed Choice (Open Access) POS
    Premier Care Network Plus - Innovation Health
    Open Choice PPO
    Aetna
  • Curative PPO
    Curative PPO Plus
    Curative EPO
  • LocalPlus
    Open Access Plus
    Cigna PPO
  • Blue Choice Preferred Care PPO
  • Blue Choice PPO
  • Anthem Blue Cross Blue Shield PPO
    Anthem Blue Cross Blue Shield HMO
    Blue Preferred Plus POS
  • Blue Card PPO
    Blue Card High Performance Network HPN
    Preferred Care Blue PPO
  • Blue Preferred Options-MO PPO
    Direct Access w/HSA MO EPO
  • Options PPO
    Navigate HMO
    Medica Choice
    Navigate POS
    Choice Plus POS
    Nexus Open Access

Where Dr. Erik Thyssen, MD Sees Patients

  1. 1 Specialist In Gastroenterology
    11525 Olde Cabin Rd, Saint Louis, MO 63141
    Monday
    09:00 - 16:45
    Tuesday
    09:00 - 16:45
    Wednesday
    09:00 - 16:45
    Thursday
    09:00 - 16:45
    Friday
    09:00 - 16:45
    Saturday
    Closed
    Sunday
    Closed

What Patients Say

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Meet Dr. Erik Thyssen, MD

Languages Spoken
Danish
Languages Spoken
Specialties*
Internal Medicine
Gastroenterology
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.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Thyssen communicate via email?
1 user said yes.
Yes
(1)
No
(1)
Does Dr. Thyssen offer telehealth services or virtual visits?
1 user said yes.
Yes
(1)
No
(1)
Does Dr. Thyssen offer an online patient portal?
5 users said yes.
Yes
(5)
No
(0)
Does Dr. Thyssen have free onsite parking?
4 users said yes.
Yes
(4)
No
(1)
Does Dr. Thyssen offer weekend visits?
1 user said yes.
Yes
(1)
No
(2)
Does Dr. Thyssen offer evening visits?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Thyssen specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Thyssen specialize in working with seniors?
No responses yet.
Yes
(0)
No
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Does Dr. Thyssen specialize in couples therapy?
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No
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Does Dr. Thyssen specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Thyssen accept insurance?
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FAQs About Dr. Thyssen's Practice

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. Erik Thyssen, MD. To arrange an appointment, call the number on Dr. Thyssen's profile.

Dr. Thyssen frequently treats the following conditions: Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis, Diaphragmatic and Hiatal Hernia, Nausea, Intestinal Diverticulosis, Intestinal Ulcer, Gastrointestinal Malabsorption, Constipation, Abdominal Pain, Irritable Bowel Syndrome and Diarrhea. See more on Sharecare.

Dr. Erik Thyssen, MD is affiliated with Missouri Baptist Medical Center and Northwestern Medicine Central Dupage Hospital.

Yes, Dr. Erik Thyssen, MD holds board certification in Gastroenterology and Internal Medicine.

Training & Medical Education
Medical Education
  • UNIVERSITY OF COPENHAGEN / SCHOOL OF DENTISTRY
    1984
Medical Education
Board Certifications
  • Gastroenterology and 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.

Hospitals Where Dr. Erik Thyssen, MD Practices

  • Missouri Baptist Medical Center

    3015 N Ballas Rd, Saint Louis, MO

  • Northwestern Medicine Central Dupage Hospital

    25 N Winfield Rd, Winfield, IL

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