Nephrology in Oxnard, California
Data updated monthly · Last refresh September 2026
11 Nephrology providers practice in Oxnard. Listings are drawn from federal public records and are not endorsements.
Nephrology providers in Oxnard
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. Ali Dana, M.D.Oxnard, CA · $24 in drug and device payments (2025) · Telehealth ·
(805) 983-0691 Dr. Frank Chieu, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 278-9094 Dr. Gregory Krastein, MDOxnard, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 822-4595 Dr. Harvey Lyons, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 487-5588 Dr. Hashim Mapara, MDOxnard, CA · $179 in drug and device payments (2025) · Telehealth ·
(805) 983-8049 Dr. Koosha Mortazavi, M.D.Oxnard, CA · $32 in drug and device payments (2025) · Telehealth ·
(805) 278-9094 Dr. Nicholas Bednarski, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 278-9094 Dr. Rajendra Niraula, MDOxnard, CA · $32 in drug and device payments (2025) · Telehealth ·
(805) 278-9094 Dr. Steven Ledesma, M.D.Oxnard, CA · $55 in drug and device payments (2025) · Telehealth ·
(805) 278-9094 Dr. Tane Liu, M.D.Oxnard, CA · $55 in drug and device payments (2025) · Telehealth ·
(805) 278-9094 Conditions Nephrology providers in Oxnard, 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.
- Chronic kidney disease
- Kidney stones
- Dialysis care
- High blood pressure
Common questions
How many Nephrology providers are in Oxnard, California?There are 11 Nephrology providers with active NPI records practicing in Oxnard, according to federal NPPES data refreshed monthly.
What conditions do Nephrology providers in Oxnard treat?Nephrology providers in Oxnard 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 Oxnard Nephrology across California