Dr. Jason Haas
- Gender: Male
- Experience: 13 years
- Graduated from: At Still University Of Health Sciences, College Of Osteo Med, Kirksville
- Graduation year: 2008
- Sole propriator: No
- NPI: 1790948008
Dr. Jason Haas DO
Gastroenterologist
He is located at 17298 North Outer 40 Road Suite 406 in Chesterfield, MO 63005. Can help patients with the following: Atherosclerosis, Heartburn, High Blood Pressure, Internal Bleeding, Osteoporosis, Urinary Tract Infection (UTI). His National Provider Identifier (NPI) number is 1790948008. Appointment can be made via the phone number (314) 529-4900. He is affiliated with 2 hospitals.
Conditions treated
Dr. Jason Haas, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Jason Haas.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Jason Haas
Insurances Accepted by Dr. Jason Haas
- Medicare
Medicare Enrollment
Dr. Jason Haas is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Gateway Gastroenterology Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| Cook Medical | $27 |
| AbbVie | $10 |
Other
| Food and Beverage | $39 |
Studies
AT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated in 2008Additional Specialities
- Internist
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Questions & Answers
What conditions does Dr. Jason Haas treat?
Dr. Jason Haas provides treatment for Atherosclerosis, Heartburn, High Blood Pressure, Internal Bleeding, Osteoporosis, Urinary Tract Infection (UTI). For the full list see this list.
Has Dr. Jason Haas affiliation with hospitals?
Dr. Jason Haas is affiliated with COX MEDICAL CENTERS. For the full list of hospitals see this list.
Does Dr. Jason Haas accept patients with Medicare?
Yes, Dr. Jason Haas accepts patients with Medicare.
Where can you meet with Dr. Jason Haas?
Dr. Jason Haas's office is located at 17298 North Outer 40 Road Suite 406 in Chesterfield, MO 63005.