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
Dr. Gregory Keelen, DO is board certified in Emergency Medicine.
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Education & Awards
Dr. Keelen graduated from Kansas City University of Medicine.More Education & Awards
Dr. Keelen has 6 hospital affiliations:
- Methodist Dallas Medical Center
- Texoma Medical Center
Accepted Insurance Plans
Dr. Keelen accepts these health insurances in at least one office:
- Superior Health Plan - 1 plan
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