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Emergency Physician, Primary Care Doctor, Family Practitioner
30 years of experience
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).

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Education & Awards

Dr. Lyon graduated from University of North Texas, Fort Worth.


Dr. Lyon has 2 hospital affiliations:

  • Nacogdoches Memorial Hospital 
  • Nacogdoches Memorial 


  • Spanish

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Additional Information
Dr. Malcolm Kent Lyon DO is a male Emergency Medicine Specialist, has 30 years of experience and practices in Emergency Medicine and Family Medicine.
Where does Dr. Malcolm K. Lyon practice?
Dr. Malcolm Lyon has 1 office location.
Dr. Malcolm Lyon practices Emergency Medicine and Family Medicine near Nacogdoches, TX.
See Nacogdoches Emergency Physicians and Nacogdoches Primary Care Doctors.