Trauma Surgeons in California
Data updated monthly · Last refresh October 2026
146 Trauma Surgery providers practice in California, including 6 (4%) offering telehealth. The largest concentration is in Orange. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
146providers
6telehealth
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Trauma Surgery by city in California
Choose a city to see providers there.
Trauma Surgery providers in California
Listed by city, largest first. 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. Paul Schmit, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-7838 Dr. Peep Talving, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-7767 Dr. Robert Preston, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 865-1241 Dr. Gracie-ann Dinkins, M.D.Lynwood, CA · $263 in drug and device payments (2025) ·
(424) 213-4290 Dr. Reginald Jones, MDLynwood, CA · $3,662 in drug and device payments (2025) ·
(424) 213-4290 Dr. Boris Borazjani, M.D.,M.P.H.Mission Hills, CA · $1,500 in drug and device payments (2025) ·
(818) 898-4900 Dr. Bradley Roth, MDMission Hills, CA · $194 in drug and device payments (2025) ·
(818) 898-4900 Dr. Danielle Dabbs, DOMission Hills, CA · $185 in drug and device payments (2025) ·
(818) 365-1668 Dr. David Hanpeter, MDMission Hills, CA · No drug or device payments recorded (2025) ·
(818) 898-4900 Dr. Peter Pak, M.D.Mission Viejo, CA · $82 in drug and device payments (2025) ·
(949) 364-1007 Dr. Antonio Coirin, M.D.Modesto, CA · $29,419 in drug and device payments (2025) ·
(209) 422-6120 Dr. Sean Degmetich, STUDENTModesto, CA · No drug or device payments recorded (2025) ·
(209) 569-7408 Dr. Navpreet Dhillon, MDMoreno Valley, CA · $30 in drug and device payments (2025) ·
(951) 486-5177 Dr. Joseph Karam, MDNorthridge, CA · No drug or device payments recorded (2025) ·
(818) 825-8500 Dr. Sigfredo Villarin AyalaNorthridge, CA · $6,420 in drug and device payments (2025) ·
(818) 885-8500 Dr. Dinh Nguyen, M.D.Oakland, CA · No drug or device payments recorded (2025) ·
(510) 625-6262 Dr. Naveen BalanOakland, CA · No drug or device payments recorded (2025) ·
(510) 437-4800 Dr. Shailvi Gupta, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 437-4965 Dr. Allen Kong, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 880-7812 Dr. Alliya Qazi, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-7890 Dr. Cristobal Barrios, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8068 Dr. Dennis Zheng, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7890 Dr. Evan Valle, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-7002 Dr. Isabel Clark, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-7890 Dr. Jacob Kirkorowicz, MD, MSCOrange, CA · $1,000 in drug and device payments (2025) ·
(714) 509-2742 Dr. Jeffry Nahmias, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-2986 Dr. Lourdes Swentek, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5840 Dr. Sebastian Schubl, M.D.Orange, CA · $95,802 in drug and device payments (2025) ·
(714) 880-7812 Dr. Sigrid Burruss, M.D.Orange, CA · $7,972 in drug and device payments (2025) ·
(714) 880-7812 Dr. Uma Bagga, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Victor Joe, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 880-7812 Dr. Avinash Bhavaraju, M.D.Palm Springs, CA · No drug or device payments recorded (2025) ·
(760) 424-8224 Dr. Oscar Paz-altschul, MDPalm Springs, CA · $484 in drug and device payments (2025) ·
(760) 323-6316 Dr. Gudata Hinika, MDParamount, CA · $10,316 in drug and device payments (2025) ·
(562) 531-0784 Dr. Jerry Vlasak, M.D.Pasadena, CA · No drug or device payments recorded (2025) ·
(310) 251-0259 Dr. Kaveh Najafi, D.O.Pasadena, CA · $915 in drug and device payments (2025) ·
(626) 768-4415 Dr. Richard Vasak, M.D.Pasadena, CA · No drug or device payments recorded (2025) ·
(626) 397-5000 Dr. Gabriel Estremera, M.D.Pomona, CA · $3,838 in drug and device payments (2025) ·
(909) 865-9500 Dr. Kirill Lipa, PA-CPomona, CA · No drug or device payments recorded (2025) ·
(909) 865-9500 Dr. Nicholas Sheets, M.D., M.P.H.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 373-5800 Dr. Steven Godelman, MDRiverside, CA · $54 in drug and device payments (2025) ·
(951) 788-3000 Dr. Jeremy Juern, M.D.Roseville, CA · No drug or device payments recorded (2025) ·
(414) 805-8622 Dr. Jon Perlstein, M.D.Roseville, CA · $65 in drug and device payments (2025) ·
(916) 781-1382 Dr. Amir Amiri, M.D.Sacramento, CA · $86 in drug and device payments (2025) ·
(916) 734-2724 Dr. Caitlin Cohan, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 688-2000 Dr. Caitlin Loseth, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-5638 Common questions
How many Trauma Surgery providers are in California?There are 146 Trauma Surgery providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Trauma Surgery providers in California offer telehealth?Yes. 6 of the 146 Trauma Surgery providers in California (about 4%) report offering telehealth services in CMS data.
Which cities in California have the most Trauma Surgery providers?Orange (16), San Diego (15), Sacramento (14) have the highest concentration of Trauma Surgery providers in California.
How many Trauma Surgery providers in California received drug or device company payments?74 of 146 Trauma Surgery providers in California (51%) 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 counts and profiles 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.
Do most Trauma Surgeons in California work in independent practices or large health systems?Among 106 Trauma Surgeons in California enrolled in Medicare, 13% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 75% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Trauma Surgeons in California work at?According to CMS facility affiliation records, the California hospitals where the most Trauma Surgeons hold privileges are Uci Health-Orange in Orange; Loma Linda University Medical Center in Loma Linda; Scripps Memorial Hospital La Jolla in La Jolla.
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