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

STEVEN SIWEI YU

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1659643682
CMS profile
1392028
Location
FOUNTAIN VALLEY, 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 · PY2020 · Entire year

$3,438.53

201 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

PY2020 · entire year · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $3,399.68 199
Education $38.85 2

By paying entity

PY2020 · entire year · sorted by reported total

Payment records · PY2020

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

General Payments · PY2020 · Physicians and non-physician practitioners · CMS publication 2026-06-30

201 matching records · $3,438.53 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 201 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 201.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Boehringer Ingelheim Pharmaceuticals, Inc. $17.5712/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026720627227 CMS
Seagen Inc. $16.5412/24/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026732454185 CMS
Pharmacyclics LLC, An AbbVie Company $21.7612/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026725689235 CMS
Novartis Pharmaceuticals Corporation $20.9412/18/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026726205053 CMS
Seagen Inc. $17.4212/17/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026732454177 CMS
Exelixis Inc. $24.6712/16/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026839495541 CMS
Incyte Corporation $19.6512/16/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026745793327 CMS
AbbVie Inc. $20.8512/15/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026722235843 CMS
Dova Pharmaceuticals $12.7512/10/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026752354903 CMS
Kite Pharma, Inc. $23.6712/10/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026731511993 CMS
Pharmacyclics LLC, An AbbVie Company $23.7612/09/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026725689231 CMS
E.R. Squibb & Sons, L.L.C. $13.9912/08/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026727907668 CMS
Seagen Inc. $13.8712/04/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026732454181 CMS
Novartis Pharmaceuticals Corporation $19.0812/03/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026726205059 CMS
GlaxoSmithKline, LLC. $19.7912/02/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026738500747 CMS
Seagen Inc. $15.6512/02/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026732454197 CMS
Novartis Pharmaceuticals Corporation $22.1711/30/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026726205063 CMS
Pharmacosmos Therapeutics Inc. $14.2211/24/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026739729491 CMS
Agios Pharmaceuticals, Inc. $12.3211/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026751966189 CMS
Eisai Inc. $17.0511/20/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026751312741 CMS
AstraZeneca Pharmaceuticals LP $11.0211/18/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026735794801 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $15.9411/17/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026720627231 CMS
Incyte Corporation $13.3411/17/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026745793324 CMS
AstraZeneca Pharmaceuticals LP $20.5211/16/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026735951675 CMS
Kite Pharma, Inc. $13.6511/13/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026731511193 CMS
AstraZeneca Pharmaceuticals LP $17.9211/12/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026736006847 CMS
E.R. Squibb & Sons, L.L.C. $18.8711/11/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026727907645 CMS
Eisai Inc. $19.3611/11/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026751312735 CMS
E.R. Squibb & Sons, L.L.C. $16.1311/10/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026727907665 CMS
Incyte Corporation $21.7211/10/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026745793317 CMS
GlaxoSmithKline, LLC. $18.0911/09/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026738984111 CMS
Merck Sharp & Dohme Corporation $22.8611/09/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026747797621 CMS
Celgene Corporation $18.3011/07/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026727907707 CMS
Pharmacyclics LLC, An AbbVie Company $28.2911/05/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026725688799 CMS
Exelixis Inc. $25.7011/04/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026737177761 CMS
Amgen Inc. $10.8911/03/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026741323355 CMS
GlaxoSmithKline, LLC. $22.8911/03/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026738627445 CMS
Merck Sharp & Dohme Corporation $21.2511/03/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026747806349 CMS
Amgen Inc. $18.0111/02/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026741323345 CMS
AstraZeneca Pharmaceuticals LP $20.0910/30/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026735982373 CMS
E.R. Squibb & Sons, L.L.C. $6.8410/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026727907615 CMS
E.R. Squibb & Sons, L.L.C. $15.4810/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026727907659 CMS
E.R. Squibb & Sons, L.L.C. $14.4210/28/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026727907655 CMS
Amgen Inc. $15.8010/27/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026741445447 CMS
AstraZeneca Pharmaceuticals LP $16.0210/24/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026735927707 CMS
AstraZeneca Pharmaceuticals LP $12.1310/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026736102485 CMS
Immunomedics, Inc. $18.0710/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026750658795 CMS
Amgen Inc. $18.7710/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026741323361 CMS
Merck Sharp & Dohme Corporation $24.1510/19/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026747818937 CMS
Eisai Inc. $23.0310/17/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026751312737 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $3,936.66 233
PY2020 $3,438.53 201
PY2021 $3,854.44 222
PY2022 $4,888.59 268
PY2023 $5,523.57 281
PY2024 $6,327.90 271
PY2025 $6,462.09 272

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
STEVEN SIWEI YU, NPI 1659643682. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1659643682.
APA 7
IndustryPayments. (2026). STEVEN SIWEI YU, NPI 1659643682 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1659643682
Bluebook
STEVEN SIWEI YU, NPI 1659643682, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1659643682.

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