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 Harrer:
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Specialties & Research
Dr. David Harrer, MD is board certified in Anatomic Pathology & Clinical Pathology.
Education & Awards
Dr. Harrer graduated from University of Chicago. He has 1 awards.
Dr. Harrer has 3 hospital affiliations:
- Inova Alexandria Hospital
- St. Josephs Hospital
- Inova Fair Oaks Hospital
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- Additional Information
- Where does Dr. David S. Harrer practice?
Dr. David Harrer practices Pathology and Anatomic Pathology & Clinical Pathology near Annandale, VA.
Additional practice locations include: Washington, DC and Fairfax, VA.
See Annandale Pathologists.