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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. Derek Lejeune:

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Derek Lejeune is Good. Dr. Lejeune has been reviewed by 2 patients who have provided 0 comments. The rating is 3 out of 4 stars.

Specialties & Research

Dr. Derek Lejeune, MD is board certified in Internal Medicine.

Education & Awards

Dr. Lejeune graduated from Tulane University, New Orleans.


Dr. Lejeune has 8 hospital affiliations:

  • Texas Health Harris Methodist Hospital Azle 
  • Texas Health Presbyterian Hospital Allen 

> > > > Dr. Derek Lejeune, MD

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Additional Information
Dr. Derek James Lejeune MD is a male Internist and practices in Internal Medicine.
Where does Dr. Derek J. Lejeune practice?
Dr. Derek Lejeune has 1 office location.
Dr. Derek Lejeune practices Internal Medicine near Allen, TX.
See Allen Internists.