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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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Ian Armstrong is Excellent.
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Specialties & Research
Dr. Ian Armstrong, MD is board certified in Neurological Surgery.
He has special expertise in 5 Areas, including Back Injuries, Head and Neck Disorder, and Neurosurgery.2 more special expertise areas
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Education & Awards
Dr. Armstrong graduated from Baylor College of Medicine, Houston. He has 3 awards.
Dr. Armstrong has 3 hospital affiliations:
- Pacific Hospital of Long Beach
- Cedars-Sinai Medical Center
- Centinela Freeman Regional Medical Center-Marina Campus