Internal Medicine, Gastroenterology in SPRINGFIELD, IL
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William L. Peterson is a physician with a medical degree who specializes in internal medicine and gastroenterology. He is based in Springfield, Illinois.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
Dr. WILLIAM L. PETERSON specializes in Internal Medicine, Gastroenterology.
Dr. WILLIAM L. PETERSON practices in SPRINGFIELD, IL.
Dr. WILLIAM L. PETERSON's NPI number is 1174623854.