Physician profile

Hussein Merza

Hematology & Oncology · Corona, CA

NPI 1235409673

$9,724.71

in general payments reported to CMS, 2019-2025

62 companies · $103 in 2025

The $103 reported for 2025 was less than what a typical Hematology & Oncology provider received nationally (typical 2025 total: $686).

Payments by year

General payments by program year, as reported to CMS.

What the payments were for

Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.

View as a table
Payment typeAmount (2023-2025)
Food and Beverage$3,032.92
Education$16.53

Payment-type detail covers 2023-2025; earlier years are included in totals but not broken out here.

Who reported paying

General payments only, as reported to CMS. Product names cover 2023-2025.

CompanyGeneral paymentsYearsTop products
Celgene Corporation $968.97 2021-2024 Pomalyst, Reblozyl
Amgen INC. $764.94 2019-2023 Kyprolis, Blincyto, Lumakras
Novartis Pharmaceuticals Corporation $591.63 2020-2023
E.R. Squibb & Sons, L.L.C. $518.43 2020-2024 Reblozyl, Opdivo
Beigene USA, INC. $503.18 2020-2025 Brukinsa
Janssen Biotech, INC. $464.31 2020-2024 Darzalex, Imbruvica, Tecvayli
Pharmacyclics LLC, An Abbvie Company $376.18 2020-2023 Imbruvica, Epkinly
Gilead Sciences, INC. $351.84 2022-2024 Trodelvy
Incyte Corporation $344.91 2019-2022
Genzyme Corporation $343.49 2021-2024
Pfizer INC. $296.65 2021-2024
Alexion Pharmaceuticals, INC. $283.68 2021-2025 Ultomiris
Glaxosmithkline, LLC. $249.09 2021-2025 Zejula, Jemperli, Shingrix
Abbvie INC. $243.04 2020-2025
Karyopharm Therapeutics INC. $242.94 2020-2022
Show all 62 companies
CompanyGeneral paymentsYearsTop products
Merck Sharp & Dohme LLC $228.53 2020-2023 Keytruda
Seagen INC. $222.81 2020-2023 Padcev
Foundation Medicine, INC. $187.10 2020-2023
Puma Biotechnology, INC. $182.28 2020-2022
Astrazeneca Pharmaceuticals Lp $168.55 2020-2024 Calquence
Lilly USA, LLC $149.87 2020-2022
Eisai INC. $146.55 2020-2023
Boehringer Ingelheim Pharmaceuticals, INC. $131.51 2020-2023 Gilotrif
Astellas Pharma US INC $120.93 2020-2023 Padcev
Genentech USA, INC. $116.09 2021-2024 Lunsumio, Polivy, Tecentriq
Pharmaessentia USA Corporation $103.30 2022-2023 Besremi
Clovis Oncology, INC. $100.77 2019-2020
Regeneron Healthcare Solutions, INC. $97.92 2021
Coherus Oncology, INC. $94.47 2021-2024
Takeda Pharmaceuticals U.S.A., INC. $76.99 2021-2024 Alunbrig
Emd Serono, INC. $76.65 2021-2023 Tepmetko
Tersera Therapeutics LLC $70.52 2021-2022
Adaptive Biotechnologies Corporation $63.34 2022-2023 Clonoseq
Epizyme, INC. $57.17 2021-2022
Octapharma USA, INC. $55.52 2022-2023 Panzyga
Bayer Healthcare Pharmaceuticals INC. $53.82 2020-2021
Blueprint Medicines Corporation $48.76 2020-2021
Dova Pharmaceuticals $46.52 2020-2021
Array Biopharma INC $45.64 2022-2024 Lorbrena, Mektovi, Braftovi
Alnylam Pharmaceuticals INC. $41.16 2022
Ge Healthcare $38.95 2021-2022
Mirati Therapeutics, INC. $30.78 2023 Krazati
Daiichi Sankyo INC. $29.00 2023 Enhertu
Janssen Pharmaceuticals, INC $28.31 2020-2021
Springworks Therapeutics, INC. $28.08 2024 Ogsiveo
Novocure INC. $26.73 2021
Tolmar, INC. $24.82 2023
Rigel Pharmaceuticals, INC. $24.46 2022
Secura Bio, INC. $24.19 2021
Amag Pharmaceuticals, INC. $23.94 2021
Kite Pharma, INC. $23.82 2023 Yescarta
Servier Pharmaceuticals LLC $21.50 2022
Deciphera Pharmaceuticals INC. $19.84 2021
Taiho Oncology, INC. $19.09 2022
Sobi, INC $17.85 2024
Sun Pharmaceutical Industries INC. $17.80 2021
Acrotech Biopharma INC. $17.39 2022
Organon LLC $16.86 2023 Ontruzant
Agios Pharmaceuticals, INC. $16.53 2024 Pyrukynd
Sumitomo Pharma America, INC. $15.86 2023 Orgovyx
Myovant Sciences INC. $14.76 2021
Chiesi USA, INC. $14.10 2019

Drugs and devices associated with these payments

CMS records which products a payment was associated with, not how the money was allocated. Association is not allocation: one payment can be associated with several products, and a product listing does not mean the payment was made because of that product. Product detail covers 2023-2025.

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Payment summary

Hussein Merza

$9,724.71

in general payments reported 2019-2025

Years
2019-2025
Top company
Celgene Corporation
Context
The $103 reported for 2025 was less than what a typical Hematology & Oncology provider received nationally (typical 2025 total: $686).

https://glasscript.com/doctor/283190/hussein-merza

Source: CMS Open Payments, program years 2019-2025. Payments are legal and often routine.

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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.