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. Charles Ahrens:
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Education & Awards
Dr. Ahrens graduated from Sanford Sch of Med of the Univ of SD, Vermillion, SD.More Education & Awards
Dr. Ahrens has 4 hospital affiliations:
- Essentia Health – St. Marys Medical Center
- St Lukes Hospital Of Duluth
Accepted Insurance Plans
Dr. Ahrens accepts these health insurances in at least one office:
- Security Health Plan of Wisconsin - 7 plans
- Humana - 8 plans
More Accepted Insurance