Anesthesiology in Orange, California
Data updated monthly · Last refresh September 2026
272 Anesthesiology providers practice in Orange, and 35% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Anesthesiology providers in Orange
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. Christopher Nguyen, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 633-9111 Dr. Christopher Sauer, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5501 Dr. Christos Kalatzis, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 633-0011 Dr. Chun Yang, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 744-0900 Dr. Clara Chu, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Coral Sun, M.D.Orange, CA · $1,100 in drug and device payments (2025) ·
(714) 456-5501 Dr. Crystal Tan, M.D., M.S. Dr. Cynthia T Anderson, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8978 Dr. Dabin Ji, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 997-3000 Dr. Danh Le, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-6661 Dr. Daniel WebsterOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5501 Dr. Darren Raphael, MDOrange, CA · No drug or device payments recorded (2025) ·
(949) 929-4303 Dr. David English, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 633-9111 Dr. Davinder Ramsingh, M.D.Orange, CA · $4,200 in drug and device payments (2025) ·
(714) 880-7812 Dr. Davood Tarzi, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7890 Dr. Debra Morrison, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8978 Dr. Dipal ShahOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Donald Ruhland, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 744-0900 Dr. Dragos Diaconescu, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Eli Luong, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 880-7812 Dr. Elizabeth C Behringer, MDOrange, CA · $8,176 in drug and device payments (2025) ·
(714) 456-8978 Dr. Elizabeth Limm, DOOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7890 Dr. Eric Pearson, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 633-9111 Dr. Esther Komanapalli, MD Dr. Fathima Kolonda Kilpatrick, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Fiyinfoluwa Ani, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-5501 Dr. Francis Sweeny, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 633-9111 Dr. Garrett SauterOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5501 Dr. George Istaphanous, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 744-0900 Dr. Gexin Tang, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 744-0900 Dr. Gopal KodumudiOrange, CA · No drug or device payments recorded (2025) ·
(714) 880-7812 Dr. Gregory Barnes, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 633-0011 Dr. Gregory Yoshikawa, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-5501 Dr. Hao Ho, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 633-9111 Dr. Harpreet Sandhu, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 633-9111 Dr. Ho J Choi, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 880-7812 Common questions
How many Anesthesiology providers are in Orange, California?There are 272 Anesthesiology providers with active NPI records practicing in Orange, according to federal NPPES data refreshed monthly.
How many Anesthesiology providers in Orange received drug or device company payments?94 of 272 (35%) 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 Orange Anesthesiology across California
