4.6
9 Ratings with 1 written Review
Summary
Dr. Keith Mercer specializes in ophthalmology and brings 49 years of experience to eye care. He earned his medical degree from the University of California Irvine College of Medicine and completed his residency through the U.S. Department of Veterans Affairs. Dr. Mercer speaks both Spanish and German, allowing him to serve patients from diverse backgrounds.
Dr. Mercer practices at multiple locations throughout Northern California, including Grass Valley, Folsom, and Sacramento. He is affiliated with Sierra Nevada Memorial Hospital, Mercy Hospital of Folsom, and Methodist Hospital of Sacramento. His expertise includes treating cataracts and glaucoma, including open-angle glaucoma. He performs comprehensive eye exams, dilated eye exams, and tonometry to monitor eye pressure. Patients have rated him 4.6 out of 5 stars on average.
Dr. Mercer practices at multiple locations throughout Northern California, including Grass Valley, Folsom, and Sacramento. He is affiliated with Sierra Nevada Memorial Hospital, Mercy Hospital of Folsom, and Methodist Hospital of Sacramento. His expertise includes treating cataracts and glaucoma, including open-angle glaucoma. He performs comprehensive eye exams, dilated eye exams, and tonometry to monitor eye pressure. Patients have rated him 4.6 out of 5 stars on average.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 49 years of experience
- speaks Spanish, German
- U S Department Of Veterans Affairs
- 1 written review
- 1 specialty
- 9 areas of expertise
- 1 board certification
- 3 hospital affiliations
- 5 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Keith Barclay Mercer has 5 locationsSierra View Medical Eye Inc
400 Sierra College Dr Ste AGrass Valley, CA 95945 Tel: (530) 272-3411
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed
Sierra Ambulatory Surgery Center Llc
400 Sierra College Dr Ste BGrass Valley, CA 95945 Tel: (530) 272-3428
Mon5:30 am - 4:30 pm
Tue5:30 am - 4:30 pm
Wed5:30 am - 4:30 pm
Thu5:30 am - 4:30 pm
Fri5:30 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  | |  |
| Dr. Keith Barclay Mercer, MD | Dr. Margaret Amy Chang, MD | Dr. Howard Douglas Cooper, MD | Dr. Tony Tsai, MD |
| Ophthalmology | Ophthalmology | Ophthalmology | Ophthalmology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 49 Years of Experience | 24 Years of Experience | 41 Years of Experience | 28 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Spanish, German | Speaks Spanish, English | Speaks Spanish, English | Speaks Spanish, English |
| Grass Valley , CA | Sacramento , CA | Sacramento , CA | Elk Grove , CA |
| Med School: University Of California Irvine College Of Medicine | Med School: Columbia University College Of Physicians & Surgeons | Med School: Tulane University School Of Medicine | Med School: Washington University In St Louis School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Keith Barclay Mercer
Medical Specialties
Dr. Keith Barclay Mercer has the following specialty
Specialty Expertise
Dr. Keith Barclay Mercer has the following 9 areas of expertise
Certifications, License, & Education
49 Years Experience
Dr. Keith Barclay Mercer holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2026.
Education & Training
Residency
Completed their residency at U S Department Of Veterans Affairs.
Medical School
Graduated from University Of California Irvine College Of Medicine in 1977.
NPI Number
Dr. Mercer's NPI number is 1568543049.
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Frequently Asked Questions
- Where is Dr. Keith Mercer's office located?
- Dr. Keith Mercer's office is located at 400 Sierra College Dr Ste A, Grass Valley, CA, 95945.
- Which hospitals is Dr. Keith Mercer affiliated with?
- Dr. Keith Mercer is affiliated with Sierra Nevada Memorial Hospital, Mercy Hospital Of Folsom, and Methodist Hospital Of Sacramento.
- Does Dr. Keith Mercer accept virtual/telehealth appointments?
- Dr. Keith Mercer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Keith Mercer?
- You can find contact information for Dr. Keith Mercer here on Vitals.
- Does Dr. Keith Mercer accept my insurance?
- You can see the insurance plans that Dr. Keith Mercer accepts on their Vitals profile.
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