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 Trainor:
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Specialties & Research
Dr. William Trainor, MD is board certified in Internal Medicine, Critical Care Medicine, and Pulmonary Disease.
Education & Awards
Dr. Trainor graduated from Georgetown University, Washington.
Dr. Trainor has 7 hospital affiliations:
- Chester River Hospital Center
- Cook County Hospital
Accepted Insurance Plans
Dr. Trainor accepts these health insurances in at least one office:
- Priority Partners - 3 plans
- United Healthcare - 23 plans
- Evercare - 3 plans
- Aetna - 3 plans