Emergency Medicine in Orange, California
Data updated monthly · Last refresh September 2026
179 Emergency Medicine providers practice in Orange, and 22% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Emergency Medicine 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. Samer Assaf, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-5705 Dr. Samuel J Stratton, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8978 Dr. Savannah Tan, STUDENTOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8116 Dr. Scott Pierce, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5239 Dr. Shadi Lahham, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-5705 Dr. Shaheena Patierno, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-5239 Dr. Shahram Lotfipour, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-5239 Dr. Sonia Simms, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 633-9111 Dr. Sophia SpannOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5239 Dr. Stephen Gassner, MD, MPHOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5239 Dr. Tae Eung Kim, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(800) 465-3203 Dr. Tara Zand, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5239 Dr. Tien LuOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5239 Dr. Toby Myatt, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7890 Dr. Troy Mccarty, DOOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Tucker Brady, DOOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Tyler Ayalin, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 543-8911 Dr. Tyler Reynard, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7004 Dr. Victor Cisneros, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-5239 Dr. Victoria Oppenheim, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Vikram Muller, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Weston SeippOrange, CA · No drug or device payments recorded (2025) ·
(443) 299-9109 Dr. Wirachin Hoonpongsimanont, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5705 Dr. Zareth Irwin, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8068 Common questions
How many Emergency Medicine providers are in Orange, California?There are 179 Emergency Medicine providers with active NPI records practicing in Orange, according to federal NPPES data refreshed monthly.
How many Emergency Medicine providers in Orange received drug or device company payments?40 of 179 (22%) 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 Emergency Medicine across California