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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).

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Specialties & Research

  • He has special expertise in 4 areas:
  • Alzheimer Disease
  • Epilepsy
  • Migraine Disorders
  • Multiple Sclerosis (MS)


  • English

> > > > Dr. Joshua Alexander, DO

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Additional Information
Dr. Joshua Alexander DO is a male Internist and practices in Internal Medicine and Neurology.
Where does Dr. Joshua Alexander practice?
Dr. Joshua Alexander has 3 office locations.
Dr. Joshua Alexander practices Internal Medicine and Neurology near San Diego, CA.
See San Diego Internists and San Diego Neurologists.