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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).

Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Joseph Demer is Good. Dr. Demer has been reviewed by 12 patients who have provided 4 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 2.4
Promptness 1.8
Courteous Staff 3.3
Accurate Diagnosis 4.8
Bedside Manner 4.8
Spends Time with Me 4.8
Follows Up After Visit 4.7

Specialties & Research

Dr. Joseph Demer, MD is board certified in Ophthalmology.

  • He has special expertise in 4 areas:
  • Congenital Nystagmus
  • Eye Movement Disorders (Ocular Motility)
  • Lazy Eye (Strabismus)
  • Pediatrics

Education & Awards

Dr. Demer graduated from Johns Hopkins University, Baltimore. He has 9 awards.

1997 Research to Prevent Blindness Lew R. Wasserman Merit Award
1999 Honor Award, American Association for Pediatric Ophthalmology and Strabismus
2001 Achievement Award, American Academy of Ophthalmology
2003 Friedenwald Award, Association for Research in Vision and Ophthalmology
2004 Recognition Award, Alcon Research Institute
2009 Association for Research in Vision and Ophthalmology Fellow, Gold Level
2004 Research to Prevent Blindness Walt and Lilly Disney Award for Amblyopia Research
Castle Connolly America's Top Doctors® (2002, 2004 - 2008, 2010 - 2015)
Compassionate Doctor Recognition (2015)


Dr. Demer has 5 hospital affiliations:

  • UCLA Medical Center 
  • Santa Monica - UCLA Medical Center 


  • English

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Additional Information
Dr. Joseph L Demer MD is a male Ophthalmologist, has 29 years of experience and practices in Ophthalmology.
Where does Dr. Joseph L. Demer practice?
Dr. Joseph Demer has 2 office locations.
Dr. Joseph Demer practices Ophthalmology near Los Angeles, CA.
Additional practice locations include: Sylmar, CA.
See Los Angeles Ophthalmologists.