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).
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- Additional Information
- Dr. Chad Joseph Zack MD is a male Internist and practices in Internal Medicine.
- Where does Dr. Chad J. Zack practice?
- Dr. Chad Zack has 1 office location.
Dr. Chad Zack practices Internal Medicine near Philadelphia, PA.
See Philadelphia Internists.