Hospitalist in Fontana, California
Data updated monthly · Last refresh September 2026
9 Hospitalist providers practice in Fontana. Listings are drawn from federal public records and are not endorsements.
Hospitalist providers in Fontana
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. Andrew Cha, D.OFontana, CA · No drug or device payments recorded (2025) ·
(888) 750-0036 Dr. Deena Patel, D.O.Fontana, CA · No drug or device payments recorded (2025) ·
(909) 302-4505 Dr. Fouzia Usman, M.D.Fontana, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. James Dinh, M.D.Fontana, CA · No drug or device payments recorded (2025) ·
(909) 427-6110 Dr. Julia Shih, DOFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-4128 Dr. Lorien Wallace, DOFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-5000 Dr. Seonah Cho, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 302-4505 Dr. Tania Choudhary, MDFontana, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Thoyaja Koritala, M.D.Fontana, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Common questions
How many Hospitalist providers are in Fontana, California?There are 9 Hospitalist providers with active NPI records practicing in Fontana, 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 Fontana Hospitalist across California
