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Cardiovascular Disease in Fontana, California

Data updated monthly · Last refresh September 2026

14 Cardiovascular Disease providers practice in Fontana. Listings are drawn from federal public records and are not endorsements.

Cardiovascular Disease providers in Fontana

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. David Chen, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (866) 454-3485
Dr. Eric Chou, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Eugene Hwang, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. James Orens, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Jasvir Ajit-uppal, MD
Fontana, CA · $278 in drug and device payments (2025) · (909) 427-3910
Dr. Jay Ball, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Jennifer Knowles, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Keith Thompson, MD
Fontana, CA · $1,957 in drug and device payments (2025) · (909) 900-7168
Dr. Nainesh Gandhi, MD
Fontana, CA · $21 in drug and device payments (2025) · Telehealth · (866) 454-3485
Dr. Paymon Mesgarzadeh, M.D.
Fontana, CA · $23 in drug and device payments (2025) · (909) 427-5000
Dr. Ravi Konchigeri, M.D.
Fontana, CA · $157 in drug and device payments (2025) · Telehealth · (909) 427-4000
Dr. Riteshkumar Patel, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (714) 348-9661
Dr. William Chin, DO
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. William Mosley, M.D.
Fontana, CA · $6,520 in drug and device payments (2025) · (909) 427-5000

Conditions Cardiovascular Disease providers in Fontana, California commonly treat

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

Common questions

How many Cardiovascular Disease providers are in Fontana, California?

There are 14 Cardiovascular Disease providers with active NPI records practicing in Fontana, according to federal NPPES data refreshed monthly.

What conditions do Cardiovascular Disease providers in Fontana treat?

Cardiovascular Disease providers in Fontana commonly treat coronary artery disease, heart failure, atrial fibrillation, high blood pressure, high cholesterol 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 Fontana Cardiovascular Disease across California

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.