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License & Identifications

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. Karl Schlegel:

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Specialties & Research

Dr. Karl Schlegel, DO is board certified in Internal Medicine.

Education & Awards

Dr. Schlegel graduated from Philadelphia College of Osteopathic Medicine.


Dr. Schlegel has 2 hospital affiliations:

  • Boulder Community Foothills Hospital 
  • Avista Adventist Hospital 

> > > > Dr. Karl Schlegel, DO

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Additional Information
Dr. Karl James Schlegel DO is a male Internist, has 30 years of experience and practices in Internal Medicine.
Where does Dr. Karl J. Schlegel practice?
Dr. Karl Schlegel has 1 office location.
Dr. Karl Schlegel practices Internal Medicine near Denver, CO.
See Denver Internists.