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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. William Preston:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. William Preston is Average. Dr. Preston has been reviewed by 9 patients who have provided 5 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.3
Promptness 3.0
Courteous Staff 3.8
Accurate Diagnosis 3.8
Bedside Manner 2.3
Spends Time with Me 3.0
Follows Up After Visit 3.0

Specialties & Research

Dr. William Preston, MD is board certified in Neurology.

  • He has special expertise in 5 areas:
  • Alzheimer's Disease
  • Epilepsy
  • Migraine Disorders
  • Multiple Sclerosis (MS)
  • Psychiatry

Education & Awards

Dr. Preston graduated from University of Southern California , Los Angeles.


Dr. Preston has 12 hospital affiliations:

  • University of California, Irvine Medical Center 
  • Mission Hospital 

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Additional Information
Dr. William G Preston MD is a male Neurologist, has 41 years of experience and practices in Neurology.
Where does Dr. William G. Preston practice?
Dr. William Preston has 1 office location.
Dr. William Preston practices Neurology near Newport Beach, CA.
See Newport Beach Neurologists.