William Preston Sonnier, M.D.

Gastroenterology Internal Medicine

(251) 471-7891Mobile, AL
Telehealth Available
NPI Active per CMS — Q2 2026

William Sonnier, M.D. specializes in internal medicine, serving patients in Mobile, AL in independent practice. He graduated from University of South Alabama College of Medicine in 2013 and has 13+ years of clinical experience. Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), and more.

1 of 15 Internal Medicine providers in ALSee all Internal Medicine in Mobile13+ years experienceNPI since 2013

Data updated 2019-05-31 on CMS NPPES

Contact & Location

Practice Location

2451 Fillingim St, Mobile, AL 36617-2238

Fax: (251) 470-1291

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Internal MedicineAllopathic & Osteopathic Physicians

Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.

Taxonomy: 207RG0100X

Education & Training

University of South Alabama College of Medicine (Class of 2013)

Virtual Internal Medicine Care With William Sonnier

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with William Sonnier for follow-ups, medication reviews, and ongoing care — no travel to Mobile required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about William Sonnier

NPI records show Dr. Sonnier as active with telehealth listed in Mobile, AL. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (251) 471-7891.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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