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Emergency Medicine in Corona, California

Data updated monthly · Last refresh September 2026

14 Emergency Medicine providers practice in Corona. Listings are drawn from federal public records and are not endorsements.

Emergency Medicine providers in Corona

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. Aakanksha Fenster, M.D.
Corona, CA · No drug or device payments recorded (2025) · (951) 736-6241
Dr. Charles Addo-yobo, DO
Corona, CA · No drug or device payments recorded (2025) · (951) 737-4343
Dr. David Bear, M.D.
Corona, CA · No drug or device payments recorded (2025) · (909) 736-6241
Dr. David Pham, D.O
Corona, CA · $60 in drug and device payments (2025) · Telehealth · (951) 737-0910
Dr. James Boyd, M.D.
Corona, CA · No drug or device payments recorded (2025) · (909) 736-6241
Dr. Jason Fisher, M.D
Corona, CA · No drug or device payments recorded (2025) · (909) 736-6241
Dr. Joaquin Castillo Marroquin, DO
Corona, CA · No drug or device payments recorded (2025) · (951) 737-4343
Dr. Louis Chau, M.D.
Corona, CA · No drug or device payments recorded (2025) · (909) 736-6241
Dr. Luis Villegas
Corona, CA · $272 in drug and device payments (2025) · (951) 737-4343
Dr. Nancy Chung, MD
Corona, CA · No drug or device payments recorded (2025) · (951) 278-8385
Dr. Neil Bhutwala, DO
Corona, CA · No drug or device payments recorded (2025) · (951) 737-4000
Dr. Tam Dang, M.D.
Corona, CA · No drug or device payments recorded (2025) · (951) 737-4343
Dr. Taylor Filler, MD
Corona, CA · No drug or device payments recorded (2025) · (951) 737-4343
Dr. Yuna Park, MD
Corona, CA · $20 in drug and device payments (2025) · (951) 736-6241

Common questions

How many Emergency Medicine providers are in Corona, California?

There are 14 Emergency Medicine providers with active NPI records practicing in Corona, 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 Corona Emergency Medicine 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.