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. Michael Hahn:
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Specialties & Research
Dr. Michael Hahn, MD is board certified in Anatomic Pathology & Clinical Pathology, Cytopathology, and Pathology - Dermatopathology.
- He has special expertise in 1 area:
- Acne Rosacea
Education & Awards
Dr. Hahn graduated from University of Missouri at Columbia.
Dr. Hahn has 3 hospital affiliations:
- Sacred Heart Medical Center
- Peace Harbor Hospital
- McKenzie - Willamette Medical Center