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 rated as an Experienced provider by MediFind in the treatment of Trichohepatoenteric Syndrome. 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.
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 St Luke’s Center Drive Ste 406, Chesterfield, MO 63017
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.
Hugo Villarreal, MD
Hugo Villarreal is a Gastroenterologist in Saint Louis, Missouri. Dr. Villarreal is rated as a Distinguished provider by MediFind in the treatment of Trichohepatoenteric Syndrome. His top areas of expertise are Watermelon Stomach, Cholestasis, Bile Duct Obstruction, Endoscopy, and Gastrectomy. Dr. Villarreal is currently accepting new patients.
Missouri Baptist Hospital Of Sullivan
Steven Fern is a Gastroenterologist in Sullivan, Missouri. Dr. Fern is rated as an Advanced provider by MediFind in the treatment of Trichohepatoenteric Syndrome. His top areas of expertise are Trichohepatoenteric Syndrome, Cirrhosis, Non-Alcoholic Fatty Liver Disease, Endoscopy, and Gastrectomy.
Mohammad Firozi is a Gastroenterologist in Saint Louis, Missouri. Dr. Firozi is rated as a Distinguished provider by MediFind in the treatment of Trichohepatoenteric Syndrome. His top areas of expertise are Chronic Erosive Gastritis, Esophageal Varices, Lactose Intolerance, Gastrectomy, and Endoscopy.
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.