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. Alex Leung:
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Specialties & Research
Dr. Alex Leung, MD is board certified in Internal Medicine.
- He has special expertise in 10 areas:
- AIDS/HIV (Acquired Immunodeficiency Syndrome)
- Anxiety Disorders
- Cholesterol Management
- Endocrine Disorders
- Kidney Disease
Education & Awards
Dr. Leung graduated from Medical College of Wisconsin, Milwaukee.
Dr. Leung has 1 hospital affiliations:
- St. Jude Medical Center
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- Additional Information
- Dr. Alex Shing Yu Leung MD is a male Internist, has 8 years of experience and practices in Internal Medicine.
- Where does Dr. Alex S. Leung practice?
- Dr. Alex Leung has 2 office locations.
Dr. Alex Leung practices Internal Medicine near Fullerton, CA.
See Fullerton Internists.