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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 Mosier:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. William Mosier is Excellent. Dr. Mosier has been reviewed by 13 patients who have provided 1 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.8
Promptness 3.6
Courteous Staff 4.3
Accurate Diagnosis 4.6
Bedside Manner 4.7
Spends Time with Me 4.1
Follows Up After Visit 4.6

Specialties & Research

Dr. William Mosier, MD is board certified in Ophthalmology.

  • He has special expertise in 1 area:
  • Lens Implants (Intraocular Lens Implantation)

Education & Awards

Dr. Mosier graduated from Universidad Nacional Autonoma De Honduras, Tegucigalpa. He has 2 awards.

Patients' Choice Award (2009, 2012, 2014 - 2015)
Compassionate Doctor Recognition (2014 - 2015)


Dr. Mosier has 1 hospital affiliations:

  • St. Jude Medical Center 


  • Spanish

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Additional Information
Dr. William David Mosier MD is a male Ophthalmologist, has 30 years of experience and practices in Ophthalmology.
Where does Dr. William D. Mosier practice?
Dr. William Mosier has 1 office location.
Dr. William Mosier practices Ophthalmology near Fullerton, CA.
See Fullerton Ophthalmologists.