Specialty Directory

Radiation Oncology in Los Angeles, CA

Federal CMS data for 130 radiation oncology providers practicing in Los Angeles, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

130
Providers
Median industry payments
$1,068
130
Radiation Oncology Providers
in Los Angeles, CA
$1,068
Median Industry Payments
per provider (2018–2024)
3,632
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only Medicare fee-for-service patients (typically 65+). This does not represent total practice volume. Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing. Radiation Oncology includes multiple subspecialties with different practice patterns. Learn more →
Showing top 50 of 130 providers, ranked by Medicare service volume.

Radiation Oncology Providers

NPPES · Open Payments · Medicare
Provider Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
SALAMON, NORIKO MD 77,369 3,435 MRI contrast dye injection (gadobutrol) $29,140 (2018-2024) Travel (85%) Very High
QUAZI, ROBIN M.D. 57,990 2,713 MRI contrast dye injection (gadoterate) $1,166 (2018-2024) Food & Beverage (96%) Very High
MEHTA, PAREEN M.D. 54,493 3,281 Contrast dye for imaging (iodine-based) $36,772 (2018-2024) Consulting (57%) Very High
RUEHM, STEFAN MD 53,391 1,438 Contrast dye for imaging (iodine-based) $781 (2018-2024) Food & Beverage (100%) Very High
GABRIEL, SIMON M.D. 50,012 3,825 Contrast dye for imaging (iodine-based) $1,329 (2018-2022) Travel (70%) Very High
BEDAYAT, ARASH M.D. 49,282 2,144 Contrast dye for imaging (iodine-based) $562 (2021-2024) Food & Beverage (100%) Very High
RAMAN, STEVEN MD 43,390 1,981 MRI contrast dye injection (gadobutrol) $212,729 (2018-2024) Consulting (76%) Very High
KING, KEVIN M.D. 42,480 2,246 MRI contrast dye injection (gadobutrol) $2,116 (2018-2023) Consulting (90%) Very High
MASAMED, RINAT MD 41,545 1,719 Contrast dye for imaging (iodine-based) $11,409 (2018-2023) Travel (95%) Very High
PATEL, MAITRAYA M.D. 39,400 1,833 Contrast dye for imaging (iodine-based) $977 (2018-2023) Food & Beverage (100%) Very High
LU, DAVID MD 36,101 1,494 MRI contrast dye injection (gadobutrol) $166,983 (2018-2024) Consulting (99%) Very High
KADELL, BARBARA MD 35,544 968 Contrast dye for imaging (iodine-based) $1,103 (2018-2022) Food & Beverage (100%) Very High
SAI, VICTOR M.D. 35,177 1,700 Contrast dye for imaging (iodine-based) $639 (2021-2023) Food & Beverage (100%) Very High
CHOI, EUGENE MD 33,587 3,821 Contrast dye for imaging (iodine-based) $232 (2018-2023) Food & Beverage (100%) Very High
FINN, JOHN MD 32,200 492 Contrast dye for imaging (iodine-based) $13,127 (2018-2023) Consulting (90%) Very High
METTING, STEPHEN M.D. 31,765 2,273 MRI contrast dye injection (gadoterate) $182 (2019-2023) Food & Beverage (100%) Very High
RUCHALSKI, KATHLEEN M.D. 31,086 1,508 Contrast dye for imaging (iodine-based) $154,688 (2018-2022) Grant (91%) Very High
OH, ANDREA M.D. 29,645 1,888 Contrast dye for imaging (iodine-based) $11,225 (2019-2024) Travel (95%) Very High
BAHRAMI, SIMIN MD 27,566 1,555 Contrast dye for imaging (iodine-based) $1,311 (2018-2023) Food & Beverage (100%) Very High
YOO, BRYAN MD 25,137 1,399 MRI contrast dye injection (gadobutrol) $381 (2021-2024) Travel (53%) Very High
BECKETT, KATRINA MD 23,312 1,147 Contrast dye for imaging (iodine-based) $174 (2021-2023) Food & Beverage (100%) Very High
GUTIERREZ, ANTONIO M.D. 22,957 1,149 Contrast dye for imaging (iodine-based) $333 (2018-2024) Food & Beverage (100%) Very High
MUIR, SUSIE MD 21,600 2,858 Contrast dye for imaging (iodine-based) $93 (2020-2023) Food & Beverage (100%) Very High
ABTAHI, SEYED MAHDI MD 21,402 4,288 Contrast dye for imaging (iodine-based) $63 (2022-2024) Food & Beverage (100%) Very High
WON, EUGENE M.D. 20,760 1,446 MRI contrast dye injection (gadoterate) $447 (2019-2024) Food & Beverage (100%) Very High
AZOUR, LEA MD 20,645 1,897 Contrast dye for imaging (iodine-based) $14,213 (2019-2024) Travel (79%) Very High
MACER, HAATAL 16,168 842 MRI contrast dye injection (gadobutrol) $636 (2018-2023) Food & Beverage (100%) Very High
MORIARTY, JOHN M.D. MRCPI FFR(RCSI) 16,131 453 Contrast dye for imaging (iodine-based) $479,955 (2018-2024) Consulting (70%) Very High
SAHAGUN, OMAR MD 15,415 1,626 Contrast dye for imaging (iodine-based) $13,178 (2018-2024) Travel (93%) Very High
BASH, SUZANNE MD 15,141 575 MRI contrast dye injection (gadoterate) $75,749 (2018-2024) Consulting (44%) Very High
BICK-FORRESTER, JUSTIN MD 14,552 4,600 Contrast dye for imaging (iodine-based) $166 (2018-2023) Food & Beverage (100%) Very High
WEI-MESTER, SINDY M.D., PH.D. 13,975 1,459 Contrast dye for imaging (iodine-based) $80 (2018-2019) Food & Beverage (100%) Very High
QUIRK, MATTHEW M.D. 13,614 1,058 MRI contrast dye injection (gadobutrol) $16,174 (2018-2024) Travel (66%) Very High
ABTIN, FEREIDOUN MD 13,515 1,289 Contrast dye for imaging (iodine-based) $163,221 (2018-2024) Consulting (67%) Very High
KEROLES, NANCY MD 9,945 1,228 Contrast dye for imaging (iodine-based) $35 (2023-2023) Food & Beverage (100%) Very High
MOTAMEDI, KAMBIZ MD 8,990 1,921 MRI contrast dye injection (gadobutrol) $1,174 (2019-2024) Food & Beverage (100%) Very High
AZIZYAN, AVETIS M.,D. 8,873 909 MRI contrast dye injection (gadobutrol) $23 (2023-2023) Food & Beverage (100%) Very High
CHIANG, CHIH-SHENG M.D., PH.D. 8,836 766 Contrast dye for imaging (iodine-based) $40,107 (2021-2024) Travel (87%) Very High
CRUZ, ANASTASIA D.O. 7,679 2,198 Contrast dye for imaging (iodine-based) $532 (2020-2024) Consulting (81%) Very High
SCHROFF, STUART M.D. 7,573 727 Contrast dye for imaging (iodine-based) $25,903 (2018-2024) Consulting (78%) Very High
NOURMOHAMMADI, MOHAMMAD M.D. 7,511 7,097 Chest X-ray, 1 view $97 (2018-2018) Food & Beverage (100%) Very High
HELMY, DANIEL M.D. 7,219 1,522 Contrast dye for imaging (iodine-based) $242 (2019-2021) Food & Beverage (100%) Very High
CRUES, JOHN M.D 6,699 679 MRI contrast dye injection (gadoterate) $33,111 (2019-2021) Travel (64%) Very High
GOLDIN, JONATHAN MD 6,667 621 Contrast dye for imaging (iodine-based) $202,190 (2018-2024) Consulting (42%) Very High
HENDERSON, STEVEN MD 6,536 6,494 Bone density scan (DEXA) $18 (2018-2018) Food & Beverage (100%) Very High
MOSER, FRANKLIN MD 5,756 5,437 CT scan of head/brain, without contrast $39,269 (2018-2024) Consulting (37%) Very High
CHEN, ERIC M.D. 5,670 2,436 MRI contrast dye injection (gadobutrol) $176 (2018-2019) Food & Beverage (100%) Very High
TOMASIAN, ANDERANIK M.D. 5,501 4,919 Chest X-ray, 1 view $102 (2021-2023) Food & Beverage (100%) Very High
BROWN, KATHLEEN MD 5,250 1,367 Contrast dye for imaging (iodine-based) $88 (2018-2018) Food & Beverage (100%) Very High
FLORIDIA, MARCO M.D. 5,202 4,627 Chest X-ray, 1 view $2,823 (2018-2024) Travel (52%) Very High
Note: Radiation Oncology encompasses multiple subspecialties with different practice patterns. Differences in payment amounts and procedure volumes may reflect subspecialty focus rather than practice quality. Consider viewing individual profiles for full context.
Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →