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. David Irwin:
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Specialties & Research
- He has special expertise in 4 areas:
- Alzheimer Disease
- Migraine Disorders
- Multiple Sclerosis (MS)
Education & Awards
Dr. Irwin graduated from Tufts University, Boston.
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- Additional Information
- Dr. David John Irwin DDS, DMD, and MD is a male Neurologist and practices in Neurology.
- Where does Dr. David J. Irwin practice?
- Dr. David Irwin has 1 office location.
Dr. David Irwin practices Neurology near San Diego, CA.
See San Diego Neurologists.