Browse Health
Ophthalmologist (eyes)
35 years of experience
Accepting new patients
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. Keith Mercer:

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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. Keith Mercer is Excellent. Dr. Mercer has been reviewed by 8 patients who have provided 1 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 3.9
Courteous Staff 4.7
Accurate Diagnosis 4.7
Bedside Manner 4.7
Spends Time with Me 4.7
Follows Up After Visit 4.3

Specialties & Research

Dr. Keith Mercer, MD is board certified in Ophthalmology.

Education & Awards

Dr. Mercer graduated from University of California at Irvine. He has 2 awards.

Patients' Choice Award (2015)
Compassionate Doctor Recognition (2015)


Dr. Mercer has 2 hospital affiliations:

  • Sierra Nevada Memorial Hospital 
  • Sierra Nevada Memorial Hospital - Grass Valley 


  • English

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Additional Information
Dr. Keith Barclay Mercer MD is a male Ophthalmologist, has 35 years of experience and practices in Ophthalmology.
Where does Dr. Keith B. Mercer practice?
Dr. Keith Mercer has 1 office location.
Dr. Keith Mercer practices Ophthalmology near Grass Valley, CA.
See Grass Valley Ophthalmologists.