

Gastroenterology
William Sonnier, M.D.
Assistant Professor of Internal Medicine; Director of Section of Inflammatory Bowel Diseases, USA Health Digestive Health Center
Dr. William Preston Sonnier is an Assistant Professor of Internal Medicine at the University of South Alabama College of Medicine and Director of the Section of Inflammatory Bowel Diseases at USA Health Digestive Health Center in Mobile, Alabama. His clinical practice focuses on inflammatory bowel disease (IBD), particularly complex cases of Crohn's disease and ulcerative colitis, which he treats through novel treatment methods and clinical trial participation. Dr. Sonnier also manages a broad r
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Credentials
Board Certifications
- Internal Medicine (American Board of Internal Medicine)
- Gastroenterology (American Board of Internal Medicine)
Education & Training
- University of South Alabama Frederick P. Whiddon College of Medicine — M.D., 2013
- University of Alabama at Birmingham — Residency, Internal Medicine
- University of South Alabama College of Medicine — Fellowship, Gastroenterology
Years in Practice
13+ years
Clinical Focus
Subspecialties
Conditions & Treatments
Insurance(s) Accepted
Please verify your coverage with the provider — plan participation can change.
Practice Details
Hospital Affiliations
- USA Health University Hospital
- USA Health Digestive Health Center
- University of South Alabama College of Medicine
Languages
English
Conditions Dr. Sonnier 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 Alabama
- BridgeSpan Health Company
- Centivo
- Cigna
- EMI Health
- Employee Benefit Management Services, Inc. (MT)
- Flume Health
- Hawaii Medical Assurance Association
- Health Alliance Plan (HAP)
- Health Plans Inc.
- Healthcare Management Administrators (HMA)
- HealthPartners
- HealthSmart
- Homestead Health Plans
- Kaiser Permanente
- LifeWise Health Plan
- Lucent Health
- Mass General Brigham Health Plan
- MedCost
- Medica
- Mending
- Meritain
- Moda Health
- Nippon Life Insurance Company of America
- Personify Health (FKA HealthComp)
- Point C
- Priority Health
- Providence Health Plan
- Quartz
- The Health Plan
- UnitedHealthcare
- Viva Health
- WebTPA
- WellCare
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