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Nephrology in Oakland, California

Data updated monthly · Last refresh September 2026

13 Nephrology providers practice in Oakland. Listings are drawn from federal public records and are not endorsements.

Nephrology providers in Oakland

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 Law, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Guity Farahmand, MD
Oakland, CA · $2,186 in drug and device payments (2025) · Telehealth · (510) 351-9373
Dr. Guoping Xu, MD
Oakland, CA · No drug or device payments recorded (2025) · Telehealth · (510) 752-1000
Dr. Hussain Gilani, M.D.
Oakland, CA · $79,462 in drug and device payments (2025) · Telehealth · (512) 289-3922
Dr. Juan Ordonez, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Michael Bernaba
Oakland, CA · $298 in drug and device payments (2025) · (510) 752-1000
Dr. Neha Jain, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 422-3522
Dr. Ole Dierks, M.D.
Oakland, CA · $282 in drug and device payments (2025) · (773) 332-8442
Dr. Sijie Zheng, M.D.
Oakland, CA · $10,107 in drug and device payments (2025) · Telehealth · (510) 752-1000
Dr. Sonny Nguyen, MD
Oakland, CA · No drug or device payments recorded (2025) · Telehealth · (510) 752-5438
Dr. Uchenna Nwosu
Oakland, CA · No drug or device payments recorded (2025) · Telehealth · (510) 752-1000
Dr. Yakuan Yvonne Chen, M.D.
Oakland, CA · $2,082 in drug and device payments (2025) · Telehealth · (510) 451-0996
Dr. Yiann Chen, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000

Conditions Nephrology providers in Oakland, 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 Oakland, California?

There are 13 Nephrology providers with active NPI records practicing in Oakland, according to federal NPPES data refreshed monthly.

What conditions do Nephrology providers in Oakland treat?

Nephrology providers in Oakland 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 Oakland 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.