HealthcareDiscovery.AI / Doctors / Iowa / Mason City / Ophthalmology

Ophthalmology in Mason City, Iowa

Data updated monthly · Last refresh September 2026

8 Ophthalmology providers practice in Mason City. Listings are drawn from federal public records and are not endorsements.

Ophthalmology providers in Mason City

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. Bradley Isaak, M.D.
Mason City, IA · No drug or device payments recorded (2025) · (641) 423-8861
Dr. Bradney Carter, D.O
Mason City, IA · $112 in drug and device payments (2025) · (641) 450-0206
Dr. Brandt Riley, DO
Mason City, IA · $273 in drug and device payments (2025) · (641) 423-8861
Dr. James Dummett, M.D.
Mason City, IA · No drug or device payments recorded (2025) · (641) 423-8861
Dr. Mark Meyer, M.D.
Mason City, IA · No drug or device payments recorded (2025) · (641) 423-8861
Dr. Melissa Summerfield
Mason City, IA · $147 in drug and device payments (2025) · (757) 423-8861
Dr. Randall Brenton, M.D.
Mason City, IA · No drug or device payments recorded (2025) · (641) 423-8861
Dr. Spencer Turner
Mason City, IA · $147 in drug and device payments (2025) · (641) 450-0206

Conditions Ophthalmology providers in Mason City, Iowa 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 Mason City, Iowa?

There are 8 Ophthalmology providers with active NPI records practicing in Mason City, according to federal NPPES data refreshed monthly.

What conditions do Ophthalmology providers in Mason City treat?

Ophthalmology providers in Mason City 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 Mason City Ophthalmology across Iowa

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.