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Medical Oncology in Loma Linda, California

Data updated monthly · Last refresh September 2026

4 Medical Oncology providers practice in Loma Linda. Listings are drawn from federal public records and are not endorsements.

Medical Oncology providers in Loma Linda

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. Chien-shing Chen, M.D.

Loma Linda, CA · $5,387 in drug and device payments (2025) · Telehealth · (909) 558-2481

Dr. Gayathri Nagaraj, MD

Loma Linda, CA · $233 in drug and device payments (2025) · Telehealth · (909) 558-2262

Dr. Hamid Mirshahidi, M.D.

Loma Linda, CA · $3,142 in drug and device payments (2025) · Telehealth · (909) 558-2481

Dr. Zarah Dulce Lucas, MD

Loma Linda, CA · $19 in drug and device payments (2025) · (909) 825-7084

Common questions

How many Medical Oncology providers are in Loma Linda, California?

There are 4 Medical Oncology providers with active NPI records practicing in Loma Linda, according to federal NPPES data refreshed monthly.

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 Loma Linda Medical Oncology across California

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.