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Pediatric Hematology & Oncology in Los Angeles, California

Data updated monthly · Last refresh September 2026

90 Pediatric Hematology & Oncology providers practice in Los Angeles, and 39% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Pediatric Hematology & 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. Maria Ahmad-nabi, MD
Los Angeles, CA · $80 in drug and device payments (2025) · (323) 783-4516
Dr. Megan Horita, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 492-5944
Dr. Melissa Siegel, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 669-2121
Dr. Michael Migotsky, MD
Los Angeles, CA · $389 in drug and device payments (2025) · (323) 660-2450
Dr. Michael Pulsipher, M.D.
Los Angeles, CA · $12,334 in drug and device payments (2025) · (323) 361-2546
Dr. Michael Siegel, MD
Los Angeles, CA · $118 in drug and device payments (2025) · (323) 465-9081
Dr. Nathan Robison, MD
Los Angeles, CA · $3,263 in drug and device payments (2025) · (323) 361-3550
Dr. Neena Kapoor, MD
Los Angeles, CA · $229 in drug and device payments (2025) · (323) 361-2546
Dr. Nikhil Kumar, MD
Los Angeles, CA · $222 in drug and device payments (2025) · (323) 660-2450
Dr. Noah Federman, M.D.
Los Angeles, CA · $67,816 in drug and device payments (2025) · (310) 825-6708
Dr. Paibel Aguayo-hiraldo, M.D.
Los Angeles, CA · $18,013 in drug and device payments (2025) · (323) 660-2450
Dr. Patricia Peterson
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 361-2121
Dr. Patrick Reynolds, MD
Los Angeles, CA · $7,796 in drug and device payments (2025) · (323) 669-2121
Dr. Priyanka Nanjireddy, MD
Los Angeles, CA · $96 in drug and device payments (2025) · (310) 825-0867
Dr. Richard Shearer, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Rima Jubran, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 361-2121
Dr. Robert Brown, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 361-4460
Dr. Robert Cooper, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Ruby Kalra, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 361-2121
Dr. Sara-jane Onyeama
Los Angeles, CA · $274 in drug and device payments (2025) · (323) 660-2450
Dr. Sara Kreimer, M.D.
Los Angeles, CA · $67 in drug and device payments (2025) · (323) 409-6931
Dr. Satiro De Oliveira, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Shahab Asgharzadeh, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 361-4151
Dr. Shilpa Shahani
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 361-3550
Dr. Stephen Speicher, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 660-2450
Dr. Steven Jonas, M.D., PH.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6708
Dr. Stuart Siegel, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 669-2121
Dr. Tatiana Lara Ospina, M.D.
Los Angeles, CA · $246 in drug and device payments (2025) · (323) 361-4755
Dr. Taylor Kim, MD
Los Angeles, CA · $207 in drug and device payments (2025) · (323) 361-4624
Dr. Theodore Moore, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6708
Dr. Theodore Nowicki, M.D., PH.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-0867
Dr. Thomas Coates, MD
Los Angeles, CA · $5,864 in drug and device payments (2025) · Telehealth · (323) 361-2121
Dr. Thomas Hofstra, MD
Los Angeles, CA · $85 in drug and device payments (2025) · (323) 669-2121
Dr. Toska Zomorodian
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 361-2121
Dr. Vasilios Berdoukas, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 361-4100
Dr. Vibul Vadakan, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Vivian Chang, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 825-6708
Dr. William May, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 669-2121
Dr. Wing-yen Wong, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 669-2121
Dr. Yves De Clerck, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 669-2121

Common questions

How many Pediatric Hematology & Oncology providers are in Los Angeles, California?

There are 90 Pediatric Hematology & Oncology providers with active NPI records practicing in Los Angeles, according to federal NPPES data refreshed monthly.

How many Pediatric Hematology & Oncology providers in Los Angeles received drug or device company payments?

35 of 90 (39%) 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 Pediatric Hematology & 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.