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Hematology & Oncology in Los Angeles, California

Data updated monthly · Last refresh September 2026

152 Hematology & Oncology providers practice in Los Angeles, and 68% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

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. Aaron Burkenroad, MD
Los Angeles, CA · $3,447 in drug and device payments (2025) · Telehealth · (213) 988-8340
Dr. Adrese Kandahari, M.D.
Los Angeles, CA · $1,310 in drug and device payments (2025) · (310) 231-2121
Dr. Akil Merchant, M.D.
Los Angeles, CA · $77,221 in drug and device payments (2025) · Telehealth · (310) 423-0161
Dr. Alexander Song, MD
Los Angeles, CA · $5,802 in drug and device payments (2025) · Telehealth · (213) 977-1214
Dr. Allen Bredt, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Allen Yang, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 865-3105
Dr. Ann Mohrbacher, M.D.
Los Angeles, CA · $4,543 in drug and device payments (2025) · Telehealth · (323) 442-5100
Dr. Anthony Bejjani, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6301
Dr. Antoni Ribas, MD
Los Angeles, CA · $3,511 in drug and device payments (2025) · Telehealth · (310) 206-3928
Dr. Arash Naeim, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6301
Dr. Arati Chand, M.D.
Los Angeles, CA · $53,842 in drug and device payments (2025) · Telehealth · (323) 847-5857
Dr. Aryeh Edelist, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-0631
Dr. Austin Ma, MD
Los Angeles, CA · $998 in drug and device payments (2025) · Telehealth · (323) 264-0430
Dr. Bartosz Chmielowski, MD, PHD
Los Angeles, CA · $7,768 in drug and device payments (2025) · Telehealth · (310) 829-5471
Dr. Becky Miller, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 854-5841
Dr. Byung Lee, D.O
Los Angeles, CA · $4,951 in drug and device payments (2025) · Telehealth · (323) 264-0430
Dr. Casey O'connell, M.D.
Los Angeles, CA · $10,374 in drug and device payments (2025) · Telehealth · (323) 865-3105
Dr. Caspian Oliai, M.D.
Los Angeles, CA · $3,021 in drug and device payments (2025) · Telehealth · (310) 794-4955
Dr. Cecilia Kim, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 268-3622
Dr. Charles Forscher, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 423-8045
Dr. Charles Haskell, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-9718
Dr. Cherry Au
Los Angeles, CA · $942 in drug and device payments (2025) · (800) 872-2273
Dr. Christos Emmanouilides, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-0631
Dr. Clan Hahn, M.D.
Los Angeles, CA · $6,244 in drug and device payments (2025) · (213) 277-1700
Dr. Danielle Sterrenberg, M.D.
Los Angeles, CA · $31 in drug and device payments (2025) · Telehealth · (323) 865-0563
Dr. Daniel Shin, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-4955
Dr. David Berz, MD, PHD, MPH
Los Angeles, CA · $1,243 in drug and device payments (2025) · Telehealth · (424) 535-1874
Dr. David Bolos
Los Angeles, CA · $1,021 in drug and device payments (2025) · (310) 825-7375
Dr. David Chang, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-5280
Dr. David Masiello, M.D.
Los Angeles, CA · $3,521 in drug and device payments (2025) · Telehealth · (617) 320-9510
Dr. David Oveisi, MD
Los Angeles, CA · $17,206 in drug and device payments (2025) · Telehealth · (310) 423-1160
Dr. Deanna Felix, NP
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 301-8860
Dr. Deborah Wong, M.D., PH.D.
Los Angeles, CA · $2,446 in drug and device payments (2025) · Telehealth · (310) 794-4955
Dr. Denise Oseguera, NP
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6301
Dr. Dennis Slamon, MD
Los Angeles, CA · $17,852 in drug and device payments (2025) · (310) 825-5193
Dr. Edward Garon, MD
Los Angeles, CA · $106,966 in drug and device payments (2025) · Telehealth · (310) 829-5471
Dr. Elizabeth Pan
Los Angeles, CA · $61 in drug and device payments (2025) · Telehealth · (323) 226-2111
Dr. Ellsworth Grant, M.D
Los Angeles, CA · $4,118 in drug and device payments (2025) · Telehealth · (213) 481-3948
Dr. Eric Mcgary, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Eric Tam, MD
Los Angeles, CA · $1,492 in drug and device payments (2025) · Telehealth · (323) 865-3105
Dr. Fairooz Kabbinavar, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-3921
Dr. Fukai Chuang, M.D.
Los Angeles, CA · $31 in drug and device payments (2025) · Telehealth · (310) 825-5756
Dr. Galen Gao
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Gary Buchschacher Jr., MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Gary Schiller, MD
Los Angeles, CA · $24,285 in drug and device payments (2025) · Telehealth · (310) 825-5513
Dr. George Yaghmour
Los Angeles, CA · $402,882 in drug and device payments (2025) · Telehealth · (323) 865-3950
Dr. Ghassan Al-jazayrly, M.D.
Los Angeles, CA · $117 in drug and device payments (2025) · (323) 660-6200
Dr. Gino In, MD
Los Angeles, CA · $10,385 in drug and device payments (2025) · Telehealth · (323) 865-3105
Dr. Gottfried Konecny, MD
Los Angeles, CA · $70,206 in drug and device payments (2025) · Telehealth · (310) 206-1214
Dr. Grace Cherry, NP
Los Angeles, CA · $9,268 in drug and device payments (2025) · (310) 794-1092

Conditions Hematology & Oncology providers in Los Angeles, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Hematology & Oncology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

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

There are 152 Hematology & Oncology providers with active NPI records practicing in Los Angeles, according to federal NPPES data refreshed monthly.

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

104 of 152 (68%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Hematology & Oncology providers in Los Angeles treat?

Hematology & Oncology providers in Los Angeles commonly treat breast cancer, lung cancer, lymphoma, leukemia, anemia and related conditions. Individual practices vary, so confirm with the provider before booking.

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 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.