Overview
Jason Haas, D.O. is dedicated to providing the highest quality of care to all his patients. He has strong communication skills which allow him to connect with patients, staff and colleagues.
For the past eight years, Dr. Haas has been a gastroenterologist practicing in Springfield, Missouri with Cox Medical Clinic. He is a board-certified gastroenterologist that completed his GI Fellowship training at Aurora Health Care in Milwaukee, WI and his Internal Medicine Residency at Gundersen Health Care in LaCrosse, WI.
His wife is from. St. Louis, and in their spare time Dr. Haas enjoys traveling with her and their two daughters. Dr. Haas has been a member of the Colorectal Awareness Party in Springfield, which helps raise money and provide free colonoscopy evaluations for patients in need.
Dr. Haas is highly rated in 5 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Gastrectomy.
His clinical research consists of co-authoring 5 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
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Languages Spoken
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Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- OTHER COMMERCIAL
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
121 Saint Lukes Center Dr Ste 406, Chesterfield, MO 63017
12855 N 40 Dr Ste 150, Saint Louis, MO 63141
Additional Areas of Focus
Dr. Haas has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Washington University
Chandra Gyawali is a Gastroenterologist in Saint Louis, Missouri. Dr. Gyawali is highly rated in 22 conditions, according to our data. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Achalasia, Endoscopy, and Gastric Bypass.
Washington University
Vladimir Kushnir is a Gastroenterologist in Saint Louis, Missouri. Dr. Kushnir is highly rated in 37 conditions, according to our data. His top areas of expertise are Barrett Esophagus, Bile Duct Obstruction, Choledocholithiasis, Endoscopy, and Colonoscopy.
Specialist In Gastroenterology
Leonard Weinstock is a Gastroenterologist in Saint Louis, Missouri. Dr. Weinstock is highly rated in 37 conditions, according to our data. His top areas of expertise are Mast Cell Activation Syndrome (MCAS), Small Bowel Bacterial Overgrowth, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.
Frequently Asked Questions about Dr. Jason Haas
How do I make an appointment with Dr. Jason Haas?
You can book an appointment with Dr. Jason Haas by calling their office at 314-529-4900. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Jason Haas a top-rated expert for Gastrointestinal Bleeding?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Jason Haas is classified as an Advanced expert for Gastrointestinal Bleeding, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Jason Haas specialize in?
While Dr. Jason Haas is a Gastroenterology, they have specific expertise in Gastrointestinal Bleeding, Endoscopy, and Painful Swallowing. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.
Does Dr. Jason Haas participate in research or clinical trials?
Yes. Dr. Jason Haas has published 5 articles and abstracts on conditions like Gastrointestinal Bleeding. You can view a list of Dr. Jason Haas's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Jason Haas accept my insurance?
Dr. Jason Haas accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 314-529-4900 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Crohn's DiseaseDr. Haas isAdvanced. Learn about Crohn's Disease.
- EndoscopyDr. Haas isAdvanced. Learn about Endoscopy.
- Gastrointestinal BleedingDr. Haas isAdvanced. Learn about Gastrointestinal Bleeding.
- Painful SwallowingDr. Haas isAdvanced. Learn about Painful Swallowing.
- Swallowing DifficultyDr. Haas isAdvanced. Learn about Swallowing Difficulty.
- Experienced
- Alcoholic CirrhosisDr. Haas isExperienced. Learn about Alcoholic Cirrhosis.
- Angiodysplasia of the ColonDr. Haas isExperienced. Learn about Angiodysplasia of the Colon.
- Autoimmune HepatitisDr. Haas isExperienced. Learn about Autoimmune Hepatitis.
- Bacterial GastroenteritisDr. Haas isExperienced. Learn about Bacterial Gastroenteritis.
- Barrett EsophagusDr. Haas isExperienced. Learn about Barrett Esophagus.
- Benign Esophageal StrictureDr. Haas isExperienced. Learn about Benign Esophageal Stricture.