Anesthesiology in Santa Ana, California
Data updated monthly · Last refresh September 2026
33 Anesthesiology providers practice in Santa Ana, and 36% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Anesthesiology providers in Santa Ana
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. Adam Helberg, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 953-3515 Dr. Adrian NgSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 619-5383 Dr. Atef Rafla, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 641-1111 Dr. Catherine Chung, MDSanta Ana, CA · $120 in drug and device payments (2025) ·
(714) 953-3515 Dr. Clifton LeeSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 619-5391 Dr. Craig FlathSanta Ana, CA · $124 in drug and device payments (2025) ·
(714) 619-5383 Dr. Dustin Morris, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 619-5391 Dr. Gene Jang, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 619-5383 Dr. Henry Wee, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 636-0343 Dr. Jason Kim, DOSanta Ana, CA · $120 in drug and device payments (2025) ·
(714) 619-5383 Dr. Jennifer Engstrom, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(949) 417-1825 Dr. Jerimarie PasiliaoSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 619-5383 Dr. Ji-guang Jin, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 953-3500 Dr. Jim Nguyen, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 679-0852 Dr. Lawrence Ong, M.D., M.ENG.Santa Ana, CA · $1,621 in drug and device payments (2025) ·
(800) 888-2186 Dr. Lowell Boehland, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 636-0342 Dr. Manuel Saenz, MDSanta Ana, CA · $851 in drug and device payments (2025) ·
(714) 754-5454 Dr. Matthew Tan, MDSanta Ana, CA · $8,591 in drug and device payments (2025) ·
(714) 495-4050 Dr. Melisa Erick, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(800) 883-7243 Dr. Omar Chowdhry, D.O.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 953-3500 Dr. Robert Hoo, MDSanta Ana, CA · $168 in drug and device payments (2025) ·
(714) 835-3555 Dr. Ronald Nguyen, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 924-4830 Dr. Russell Taylor, MDSanta Ana, CA · $17 in drug and device payments (2025) ·
(949) 981-5643 Dr. Stanley Hoang, M.D.Santa Ana, CA · $31 in drug and device payments (2025) ·
(714) 619-5383 Dr. Steve Lee, M.D.Santa Ana, CA · $252 in drug and device payments (2025) ·
(714) 347-1000 Dr. Steven Bui, D.O.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 953-3500 Dr. Tan Le, M.D.Santa Ana, CA · $194 in drug and device payments (2025) ·
(714) 953-3515 Dr. Thomas Lee, MDSanta Ana, CA · $28 in drug and device payments (2025) ·
(714) 953-3500 Dr. Tsung Tsou, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 953-3500 Dr. Vedavathy Vallurupalli, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 619-5383 Dr. Willem Xu, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 619-5391 Dr. Ying-kan Tien, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 754-5590 Dr. Yuchen LiuSanta Ana, CA · No drug or device payments recorded (2025) ·
(146) 195-3837 Common questions
How many Anesthesiology providers are in Santa Ana, California?There are 33 Anesthesiology providers with active NPI records practicing in Santa Ana, according to federal NPPES data refreshed monthly.
How many Anesthesiology providers in Santa Ana received drug or device company payments?12 of 33 (36%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 Santa Ana Anesthesiology across California