

Gastroenterology
Stephen Ang, MD
Stephen T. Ang, MD, is a gastroenterologist practicing in Centralia, Illinois, with over 35 years of experience in diagnosing and treating a wide range of gastrointestinal disorders. He specializes in managing conditions such as Gastroesophageal Reflux Disease (GERD), Chronic Idiopathic Constipation (CIC), Irritable Bowel Syndrome (IBS), in which he holds distinguished expertise according to MediFind analysis, as well as Angiodysplasia of the Colon, Barrett Esophagus, Benign Esophageal Stricture
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Credentials
Education & Training
- University of Chicago — Fellowship, Gastroenterology, 1994-1996
- UCLA David Geffen School of Medicine/UCLA Medical Center — Residency, Internal Medicine, 1991-1994
- David Geffen School of Medicine at UCLA — M.D., Class of 1991
Years in Practice
35+ years
Clinical Focus
Subspecialties
Conditions & Treatments
Insurance(s) Accepted
Please verify your coverage with the provider — plan participation can change.
Practice Details
Hospital Affiliations
- SSM Health St. Mary's Hospital-Centralia
- Good Samaritan Regional Health Center
Languages
English
Conditions Dr. Ang treats
Insurance accepted
- 90 Degree Benefits
- Aetna
- Allegiance Health Plans
- Ambetter
- Aspirus Health Plan
- ASR Health Benefits
- Asuris Northwest Health
- Avera Health Plans
- Banner Health Aetna
- Blue Cross Blue Shield of Illinois
- BridgeSpan Health Company
- Centivo
- Cigna
- Dean Health Plan
- Denver Health Medical Plan, Inc.
- EMI Health
- Employee Benefit Management Services, Inc. (MT)
- First Health
- Flume Health
- Hawaii Medical Assurance Association
- Health Alliance Plan (HAP)
- Health Plans Inc.
- Healthcare Management Administrators (HMA)
- Healthgram
- HealthLink
- HealthPartners
- HealthSmart
- Homestead Health Plans
- LifeWise Health Plan
- Lucent Health
- MagnaCare
- Mass General Brigham Health Plan
- MedCost
- Medica
- Medical Mutual of Ohio
- Mending
- Meritain
- Moda Health
- MotivHealth Insurance Company
- Nippon Life Insurance Company of America
- Personify Health (FKA HealthComp)
- Point C
- Prairie States
- Priority Health
- Providence Health Plan
- Quartz
- The Health Plan
- UnitedHealthcare
- WebTPA
- WellCare
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