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Hospitalist in Fountain Valley, California

Data updated monthly · Last refresh September 2026

11 Hospitalist providers practice in Fountain Valley. Listings are drawn from federal public records and are not endorsements.

Hospitalist providers in Fountain Valley

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. Billy Le, D.O.
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 797-1797
Dr. David Chan, D.O.
Fountain Valley, CA · $40 in drug and device payments (2025) · (714) 395-4595
Dr. Iris Gluzman, MD
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 497-3033
Dr. Ky Vu, M.D.
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 501-5798
Dr. Rafay Haseeb, DO, MPH
Fountain Valley, CA · $136 in drug and device payments (2025) · (714) 378-5330
Dr. Robert Neilan, M.D.
Fountain Valley, CA · No drug or device payments recorded (2025) · (949) 340-9530
Dr. Sapna Mehta, DO
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 665-1797
Dr. Sara Ghazi, DO
Fountain Valley, CA · $40 in drug and device payments (2025) · (714) 395-4595
Dr. Tony Khan, DO
Fountain Valley, CA · No drug or device payments recorded (2025) · (949) 620-8753
Dr. Vina Nguyen, M. D.
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 665-1797
Dr. Yu-nan Hsu, D.O
Fountain Valley, CA · No drug or device payments recorded (2025) · (800) 641-4651

Common questions

How many Hospitalist providers are in Fountain Valley, California?

There are 11 Hospitalist providers with active NPI records practicing in Fountain Valley, 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 Fountain Valley Hospitalist 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.