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. David Zaas:
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Specialties & Research
Dr. David Zaas, MD, MBA is board certified in Internal Medicine, Critical Care Medicine, and Pulmonary Disease.
- He has special expertise in 4 areas:
- Food Allergy (Hypersensitivity)
- Lung Transplantation
- Nasal Allergy (Rhinitis)
Education & Awards
Dr. Zaas graduated from Northwestern University, Chicago.
Dr. Zaas has 5 hospital affiliations:
- Durham Regional Hospital
- Duke University Hospital
Accepted Insurance Plans
Dr. Zaas accepts these health insurances in at least one office:
- Humana - 3 plans
- Cigna - 5 plans
- Aetna - 3 plans
Similar doctors nearby
- Additional Information
- Where does Dr. David W. Zaas practice?
Dr. David Zaas practices Internal Medicine, Critical Care Medicine, Pulmonary Disease, Allergy, and Critical Care Medicine near Durham, NC.
See Durham Internists, Durham Critical Care Practitioners, Durham Pulmonologists, Durham Allergists, and Durham Anesthesiologists.