Ophthalmology in SPRINGFIELD, IL
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Dr. William Wen-Long Yang is a physician specializing in ophthalmology based in Springfield, IL.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
Dr. WILLIAM WEN-LONG YANG specializes in Ophthalmology.
Dr. WILLIAM WEN-LONG YANG practices in SPRINGFIELD, IL.
Dr. WILLIAM WEN-LONG YANG's NPI number is 1790979011.