HealthcareDiscovery.AI / Doctors / California / Grass Valley / Ophthalmology

Ophthalmology in Grass Valley, California

Data updated monthly · Last refresh September 2026

3 Ophthalmology providers practice in Grass Valley. Listings are drawn from federal public records and are not endorsements.

Ophthalmology providers in Grass Valley

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. John Hagele, M.D.
Grass Valley, CA · $24 in drug and device payments (2025) · (530) 272-3411
Dr. Keith Mercer, M.D.
Grass Valley, CA · $127 in drug and device payments (2025) · (530) 272-3411
Dr. Matthew Zealear, M.D.
Grass Valley, CA · $111 in drug and device payments (2025) · (530) 272-3411

Conditions Ophthalmology providers in Grass Valley, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Ophthalmology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Ophthalmology providers are in Grass Valley, California?

There are 3 Ophthalmology providers with active NPI records practicing in Grass Valley, according to federal NPPES data refreshed monthly.

What conditions do Ophthalmology providers in Grass Valley treat?

Ophthalmology providers in Grass Valley commonly treat macular degeneration, cataracts, glaucoma, diabetic retinopathy, dry eye and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Grass Valley Ophthalmology across California

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.