A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. William Yang:
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Education & Awards
Dr. Yang graduated from University of Wisconsin at Madison.
Dr. Yang has 6 hospital affiliations:
- Albany Medical Center Hospital
- Memorial Medical Center
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- Additional Information
- Where does Dr. William W. Yang practice?
Dr. William Yang practices Ophthalmology near Springfield, IL.
Additional practice locations include: Lincoln, IL and Lubbock, TX.
See Springfield Ophthalmologists.