HealthcareDiscovery.AI / Doctors / California / Riverside / Nephrology

Nephrology in Riverside, California

Data updated monthly · Last refresh September 2026

18 Nephrology providers practice in Riverside. Listings are drawn from federal public records and are not endorsements.

Nephrology providers in Riverside

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. Adina Tanasescu, M.D.
Riverside, CA · $131 in drug and device payments (2025) · (951) 687-2800
Dr. Akpobo Akporotu, MD
Riverside, CA · $567 in drug and device payments (2025) · Telehealth · (855) 745-8600
Dr. Arthur Galoustian, MD
Riverside, CA · $275 in drug and device payments (2025) · (951) 687-2800
Dr. Chao-huang Sun, M.D., MPH
Riverside, CA · No drug or device payments recorded (2025) · (951) 687-2800
Dr. Dalia Zaky Dawoud, MD
Riverside, CA · $627 in drug and device payments (2025) · (909) 882-9150
Dr. Hamik Martirosyan, MD
Riverside, CA · $120 in drug and device payments (2025) · (909) 353-2000
Dr. Henry Dorman, M.D.
Riverside, CA · No drug or device payments recorded (2025) · (951) 343-7700
Dr. Hira Al-adroos
Riverside, CA · $581 in drug and device payments (2025) · (951) 786-5350
Dr. Howard Lee, DO
Riverside, CA · $158 in drug and device payments (2025) · (909) 353-2000
Dr. John Robertson, M.D.
Riverside, CA · No drug or device payments recorded (2025) · (951) 687-2800
Dr. Joseph Lee, M.D.
Riverside, CA · No drug or device payments recorded (2025) · (951) 687-2800
Dr. Kirollos Zaki, D.O
Riverside, CA · $155 in drug and device payments (2025) · (951) 687-2800
Dr. Mosen Istwani, MD
Riverside, CA · $263 in drug and device payments (2025) · (951) 343-1978
Dr. Naveen Gupta, MD
Riverside, CA · No drug or device payments recorded (2025) · Telehealth · (909) 353-2000
Dr. Rizwan Badar, M.D.
Riverside, CA · $575 in drug and device payments (2025) · (951) 687-2800
Dr. Salam Ishak, M.D
Riverside, CA · $1,346 in drug and device payments (2025) · (951) 687-2800
Dr. Susan Sun, MD
Riverside, CA · No drug or device payments recorded (2025) · (909) 353-2000
Dr. Taher Khalil, M.D.
Riverside, CA · $812 in drug and device payments (2025) · (951) 687-2800

Conditions Nephrology providers in Riverside, California commonly treat

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

Common questions

How many Nephrology providers are in Riverside, California?

There are 18 Nephrology providers with active NPI records practicing in Riverside, according to federal NPPES data refreshed monthly.

What conditions do Nephrology providers in Riverside treat?

Nephrology providers in Riverside commonly treat chronic kidney disease, kidney stones, dialysis care, high blood pressure 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 Riverside Nephrology 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.