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).
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Specialties & Research
- She has special expertise in 1 area:
- Flu (Human Influenza)
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- Additional Information
- Dr. Karen Elise Butler DO is a female General Practitioner and practices in General Practice.
- Where does Dr. Karen E. Butler practice?
- Dr. Karen Butler has 1 office location.
Dr. Karen Butler practices General Practice near Toluca Lake, CA.
See Toluca Lake Primary Care Doctors.