Dr. Keith Barclay Mercer MD is a male Ophthalmologist, has 33 years of experience and practices in Ophthalmology.
Dr. Keith Mercer has 1 office location.
Sierra Medical Eye
400 Sierra College Dr
Ste A
Grass Valley, CA 95945

Phone Number
Locations and availability (1)
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
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Patient Reviews

  • Currently 4 of 4 stars
Patient comments (0)

The overall average patient rating of Dr. Keith Mercer is Excellent. Dr. Mercer has been reviewed by 1 patients who have provided 0 comments. The rating is 4 out of 4 stars.

Patient Ratings
Ease of Appointment 4.0
  • Currently 4 of 4 stars
Promptness 3.0
  • Currently 3 of 4 stars
Courteous Staff 4.0
  • Currently 4 of 4 stars
Accurate Diagnosis 4.0
  • Currently 4 of 4 stars
Bedside Manner 4.0
  • Currently 4 of 4 stars
Spends Time with Me 4.0
  • Currently 4 of 4 stars
Follows Up After Visit 4.0
  • Currently 4 of 4 stars

Specialties & Research

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

Education & Awards

Dr. Mercer graduated from University of California at Irvine.


Dr. Mercer has 2 hospital affiliations:

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

Accepted Insurance Plans

Dr. Mercer accepts these health insurances in at least one office:

  • United Healthcare - 24 plans
  • Blue Shield of California - 89 plans
  • Unicare - 12 plans
  • Anthem Blue Cross - 10 plans
  • Cigna - 6 plans
  • Aetna - 1 plan

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Additional Information
Where does Dr. Keith B. Mercer practice?
Dr. Keith Mercer practices Ophthalmology near Grass Valley, CA.
See Grass Valley Ophthalmologists.