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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Specialties & Research
Dr. David Haas, MD is board certified in Internal Medicine and Infectious Disease.
- He has special expertise in 5 areas:
- AIDS-Related Opportunistic Infections
- AIDS/HIV (Acquired Immunodeficiency Syndrome)
- HIV Infections
- Pulmonary Tuberculosis
Education & Awards
Dr. Haas graduated from Vanderbilt University, Columbia. He has 2 awards.
Dr. Haas has 2 hospital affiliations:
- Vanderbilt University Hospital
- Vanderbilt University Medical Center