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. Erik Gierahn:
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Specialties & Research
Dr. Erik Gierahn, MD is board certified in Emergency Medicine.
Education & Awards
Dr. Gierahn graduated from University of Wisconsin at Madison.
Dr. Gierahn has 5 hospital affiliations:
- St. Mary's Hospital-Milwaukee
- Sacred Heart Rehabilitation Institute
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- Additional Information
- Dr. Erik Paul Gierahn MD is a male Emergency Medicine Specialist, has 8 years of experience and practices in Emergency Medicine.
- Where does Dr. Erik P. Gierahn practice?
- Dr. Erik Gierahn has 1 office location.
Dr. Erik Gierahn practices Emergency Medicine near Milwaukee, WI.
See Milwaukee Emergency Physicians.