Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · CMS publication 2026-06-30 View official record

Covered recipient · General Payments record

HUSSEIN MERZA

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1235409673
CMS profile
283190
Location
CORONA, CA

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

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General Payments · PY2022 · Entire year

$2,568.01

132 records · 0 disputed

Summary and payment records

  • CMS publication 2026-06-30
Read the payment records

“Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.”

— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Methodology & Data — sourcing, labeling, and limitations.

Provider summaries generated . CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state. View the official CMS record ↗

By nature of payment

PY2022 · entire year · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $2,554.72 131
Education $13.29 1

By paying entity

PY2022 · entire year · sorted by reported total

Payment records · PY2022

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

General Payments · PY2022 · Physicians and non-physician practitioners · CMS publication 2026-06-30

132 matching records · $2,568.01 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 132 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 1–50 of 132.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Janssen Biotech, Inc. $26.6912/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885531839 CMS
E.R. Squibb & Sons, L.L.C. $8.3512/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771227 CMS
E.R. Squibb & Sons, L.L.C. $0.8612/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771229 CMS
Adaptive Biotechnologies Corporation $23.4412/16/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026951435595 CMS
Seagen Inc. $16.8612/16/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026904084527 CMS
Amgen Inc. $23.7212/15/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026939906157 CMS
Celgene Corporation $24.5312/14/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771235 CMS
PFIZER INC. $18.7212/14/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026949503407 CMS
GlaxoSmithKline, LLC. $15.1712/07/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026945057619 CMS
Gilead Sciences, Inc. $24.0412/06/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026929534977 CMS
Amgen Inc. $27.2512/05/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026939906149 CMS
Celgene Corporation $22.2812/02/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771223 CMS
Merck Sharp & Dohme LLC $24.2112/02/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944561015 CMS
ARRAY BIOPHARMA INC $12.8211/30/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026949501667 CMS
Eisai Inc. $24.1411/30/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026935311937 CMS
Takeda Pharmaceuticals U.S.A., Inc. $30.2611/23/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026955732707 CMS
Karyopharm Therapeutics Inc. $26.6211/16/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026946518677 CMS
GlaxoSmithKline, LLC. $18.5511/15/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026945057617 CMS
Novartis Pharmaceuticals Corporation $20.7711/10/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026893970443 CMS
Novartis Pharmaceuticals Corporation $21.8211/02/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026893970447 CMS
Pharmacyclics LLC, an AbbVie Company $21.4011/02/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026890344185 CMS
Amgen Inc. $20.9711/01/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026939355707 CMS
Celgene Corporation $13.8410/26/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771209 CMS
BeiGene USA, Inc. $24.7410/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026940788103 CMS
E.R. Squibb & Sons, L.L.C. $0.8410/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771217 CMS
E.R. Squibb & Sons, L.L.C. $15.3910/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771219 CMS
Octapharma USA, Inc. $22.0410/13/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026937555585 CMS
Celgene Corporation $30.3710/11/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771215 CMS
Incyte Corporation $20.6410/06/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026943028549 CMS
Gilead Sciences, Inc. $14.5910/05/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026929534963 CMS
Merck Sharp & Dohme LLC $24.5810/05/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944564485 CMS
Novartis Pharmaceuticals Corporation $18.2209/28/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026893970439 CMS
GENZYME CORPORATION $24.9409/26/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026938841107 CMS
GENZYME CORPORATION $25.9509/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026938841101 CMS
E.R. Squibb & Sons, L.L.C. $1.4009/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771197 CMS
E.R. Squibb & Sons, L.L.C. $17.8109/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771199 CMS
Incyte Corporation $24.2109/16/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026943028529 CMS
Amgen Inc. $31.9009/15/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026939906155 CMS
PFIZER INC. $18.0409/14/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026949318173 CMS
Gilead Sciences, Inc. $18.9609/13/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026929534967 CMS
Astellas Pharma US Inc $21.3909/09/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026940268597 CMS
PharmaEssentia USA Corporation $34.6109/08/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026941276705 CMS
Karyopharm Therapeutics Inc. $28.9909/02/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026946518669 CMS
PFIZER INC. $17.1509/02/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026949344895 CMS
Celgene Corporation $20.8308/30/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771193 CMS
Celgene Corporation $16.1008/29/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771181 CMS
PUMA BIOTECHNOLOGY, INC. $17.4108/25/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026942288431 CMS
Pharmacyclics LLC, an AbbVie Company $2.0908/24/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026890344181 CMS
Pharmacyclics LLC, an AbbVie Company $11.8408/24/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026890344183 CMS
E.R. Squibb & Sons, L.L.C. $1.0708/17/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026932771183 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $245.08 4
PY2020 $804.12 40
PY2021 $3,058.05 148
PY2022 $2,568.01 132
PY2023 $2,183.98 110
PY2024 $762.87 33
PY2025 $102.60 4

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files and profile matching
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.

Cite this record.

Plain
HUSSEIN MERZA, NPI 1235409673. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1235409673.
APA 7
IndustryPayments. (2026). HUSSEIN MERZA, NPI 1235409673 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1235409673
Bluebook
HUSSEIN MERZA, NPI 1235409673, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1235409673.

Source: Centers for Medicare & Medicaid Services, Open Payments.