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Surgical Oncology in Los Angeles, California

Data updated monthly · Last refresh September 2026

38 Surgical Oncology providers practice in Los Angeles, and 55% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Surgical Oncology providers in Los Angeles

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. Amanda Woodworth, M.D.
Los Angeles, CA · $1,061 in drug and device payments (2025) · (323) 442-9062
Dr. Areti Tillou, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-7788
Dr. Azadeh Carr, M.D.
Los Angeles, CA · $287 in drug and device payments (2025) · (323) 442-9062
Dr. Burton Eisenberg, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 865-3535
Dr. Cristina Ferrone, M.D.
Los Angeles, CA · $1,438 in drug and device payments (2025) · Telehealth · (310) 423-6746
Dr. Dilipkumar Parekh, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-9062
Dr. Elizabeth Arena, M.D.
Los Angeles, CA · $101 in drug and device payments (2025) · Telehealth · (213) 947-4938
Dr. Fahima Dossa, MD
Los Angeles, CA · $119 in drug and device payments (2025) · (310) 423-6746
Dr. Frederick Eilber, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-7086
Dr. Frederick Eilber, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 825-7086
Dr. Fumito Ito, MD PHD
Los Angeles, CA · $55 in drug and device payments (2025) · (323) 442-9062
Dr. Hector Ramos, M.D.
Los Angeles, CA · $38 in drug and device payments (2025) · (323) 442-5908
Dr. Helena Chang, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-2144
Dr. Hyunwoo Kang, MD
Los Angeles, CA · $211 in drug and device payments (2025) · Telehealth · (323) 442-5860
Dr. James Economou, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-1646
Dr. James Tomlinson, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6909
Dr. Jason Cohen, M.D.
Los Angeles, CA · $121 in drug and device payments (2025) · (310) 652-3779
Dr. Joseph Femino, MD
Los Angeles, CA · $179 in drug and device payments (2025) · Telehealth · (323) 442-5860
Dr. Joshua Ellenhorn, MD
Los Angeles, CA · $677 in drug and device payments (2025) · (310) 289-1518
Dr. Lawrence Menendez, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5830
Dr. Lee Zuckerman, M.D.
Los Angeles, CA · $1,285 in drug and device payments (2025) · Telehealth · (323) 442-5860
Dr. Leland Foshag, M.D.
Los Angeles, CA · $25 in drug and device payments (2025) · Telehealth · (310) 479-1215
Dr. Louis Difronzo, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Maggie Dinome, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (424) 259-8791
Dr. Marc Attiyeh
Los Angeles, CA · $173 in drug and device payments (2025) · Telehealth · (310) 423-6746
Dr. Maria Nelson, M.D.
Los Angeles, CA · $506 in drug and device payments (2025) · Telehealth · (323) 442-9062
Dr. Mark Girgis, MD
Los Angeles, CA · $252 in drug and device payments (2025) · Telehealth · (310) 267-9099
Dr. Mediget Teshome, MD
Los Angeles, CA · $4,208 in drug and device payments (2025) · Telehealth · (310) 825-2144
Dr. Micah Brainerd, MD
Los Angeles, CA · $469 in drug and device payments (2025) · (989) 574-8672
Dr. Philip Haigh, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Raquel Prati, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-1646
Dr. Robert Bennion, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6078
Dr. Ronald Hurst, M.D.
Los Angeles, CA · $12,847 in drug and device payments (2025) · Telehealth · (310) 231-2121
Dr. Scott Um, MD
Los Angeles, CA · $1,931 in drug and device payments (2025) · (310) 794-7788
Dr. Stephen Sener, M.D.
Los Angeles, CA · $132 in drug and device payments (2025) · (323) 442-9062
Dr. Sujit Kulkarni, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 442-5908
Dr. Theodore O'connell, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Yasir Akmal
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-5892

Common questions

How many Surgical Oncology providers are in Los Angeles, California?

There are 38 Surgical Oncology providers with active NPI records practicing in Los Angeles, according to federal NPPES data refreshed monthly.

How many Surgical Oncology providers in Los Angeles received drug or device company payments?

21 of 38 (55%) 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 Los Angeles Surgical Oncology across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.