Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

CHANG BI ZOU

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant

NPI
1073061164
CMS profile
11018234
Location
FLUSHING, NY

General Payments · PY2021–2024

$5,237.97

  • Reported across 163 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,715.73

59 records · 0 disputed

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

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. 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.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $2,715.73 59

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Amgen Inc. $664.16 12
ABBVIE INC. $652.98 11
Gilead Sciences, Inc. $596.61 17
Phathom Pharmaceuticals, Inc. $335.01 7
Madrigal Pharmaceuticals $150.00 1
Acerta Pharma LLC $141.24 2
Ardelyx, Inc. $93.11 4
IBSA Pharma Inc. $82.62 5

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $997.62 35
PY2022 $683.70 34
PY2023 $840.92 35
PY2024 $2,715.73 59

Payment records · PY2024 (59)

Sorted by paying entity, then date · as published by CMS

Program year 2024 202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $19.64 01/13/2024 Food and Beverage Undisputed 01/23/2026 1108463490 CMS
ABBVIE INC. $141.18 02/01/2024 Food and Beverage Undisputed 01/23/2026 1108463492 CMS
ABBVIE INC. $16.59 03/04/2024 Food and Beverage Undisputed 01/23/2026 1108463494 CMS
ABBVIE INC. $24.98 04/16/2024 Food and Beverage Undisputed 01/23/2026 1108463496 CMS
ABBVIE INC. $15.39 05/03/2024 Food and Beverage Undisputed 01/23/2026 1108463498 CMS
ABBVIE INC. $25.83 06/18/2024 Food and Beverage Undisputed 01/23/2026 1108463500 CMS
ABBVIE INC. $122.18 07/18/2024 Food and Beverage Undisputed 01/23/2026 1108463502 CMS
ABBVIE INC. $20.35 08/27/2024 Food and Beverage Undisputed 01/23/2026 1108463504 CMS
ABBVIE INC. $115.99 10/08/2024 Food and Beverage Undisputed 01/23/2026 1108463506 CMS
ABBVIE INC. $19.56 10/08/2024 Food and Beverage Undisputed 01/23/2026 1108463508 CMS
ABBVIE INC. $131.29 12/10/2024 Food and Beverage Undisputed 01/23/2026 1108463510 CMS
Amgen Inc. $22.48 05/13/2024 Food and Beverage Undisputed 01/23/2026 1116225257 CMS
Amgen Inc. $125.00 05/21/2024 Food and Beverage Undisputed 01/23/2026 1117726533 CMS
Amgen Inc. $12.51 06/14/2024 Food and Beverage Undisputed 01/23/2026 1116225262 CMS
Amgen Inc. $125.00 06/18/2024 Food and Beverage Undisputed 01/23/2026 1116225248 CMS
Amgen Inc. $22.97 06/21/2024 Food and Beverage Undisputed 01/23/2026 1117726525 CMS
Amgen Inc. $22.48 07/30/2024 Food and Beverage Undisputed 01/23/2026 1117726527 CMS
Amgen Inc. $21.46 08/30/2024 Food and Beverage Undisputed 01/23/2026 1117726529 CMS
Amgen Inc. $113.41 09/13/2024 Food and Beverage Undisputed 01/23/2026 1116225252 CMS
Amgen Inc. $150.00 09/26/2024 Food and Beverage Undisputed 01/23/2026 1117726535 CMS
Amgen Inc. $6.44 10/23/2024 Food and Beverage Undisputed 01/23/2026 1116225266 CMS
Amgen Inc. $17.44 11/20/2024 Food and Beverage Undisputed 01/23/2026 1116225271 CMS
Amgen Inc. $24.97 11/25/2024 Food and Beverage Undisputed 01/23/2026 1117726531 CMS
Ardelyx, Inc. $13.50 06/28/2024 Food and Beverage Undisputed 01/23/2026 1146751596 CMS
Ardelyx, Inc. $25.56 07/19/2024 Food and Beverage Undisputed 01/23/2026 1146751598 CMS
Ardelyx, Inc. $25.11 09/13/2024 Food and Beverage Undisputed 01/23/2026 1146751600 CMS
Ardelyx, Inc. $28.94 11/13/2024 Food and Beverage Undisputed 01/23/2026 1146751602 CMS
AstraZeneca Pharmaceuticals LP $124.98 07/30/2024 Food and Beverage Undisputed 01/23/2026 1104204439 CMS
AstraZeneca Pharmaceuticals LP $16.26 09/07/2024 Food and Beverage Undisputed 01/23/2026 1105390479 CMS
Gilead Sciences, Inc. $28.42 01/03/2024 Food and Beverage Undisputed 01/23/2026 1133712453 CMS
Gilead Sciences, Inc. $28.31 02/05/2024 Food and Beverage Undisputed 01/23/2026 1133712455 CMS
Gilead Sciences, Inc. $26.25 02/16/2024 Food and Beverage Undisputed 01/23/2026 1133712457 CMS
Gilead Sciences, Inc. $27.77 03/13/2024 Food and Beverage Undisputed 01/23/2026 1133712459 CMS
Gilead Sciences, Inc. $28.31 05/06/2024 Food and Beverage Undisputed 01/23/2026 1133712461 CMS
Gilead Sciences, Inc. $28.11 05/10/2024 Food and Beverage Undisputed 01/23/2026 1133712463 CMS
Gilead Sciences, Inc. $125.00 05/22/2024 Food and Beverage Undisputed 01/23/2026 1133712465 CMS
Gilead Sciences, Inc. $8.24 06/21/2024 Food and Beverage Undisputed 01/23/2026 1133712467 CMS
Gilead Sciences, Inc. $25.44 07/08/2024 Food and Beverage Undisputed 01/23/2026 1133712469 CMS
Gilead Sciences, Inc. $7.86 07/19/2024 Food and Beverage Undisputed 01/23/2026 1133712471 CMS
Gilead Sciences, Inc. $24.98 08/06/2024 Food and Beverage Undisputed 01/23/2026 1133712473 CMS
Gilead Sciences, Inc. $27.90 08/28/2024 Food and Beverage Undisputed 01/23/2026 1133712475 CMS
Gilead Sciences, Inc. $26.46 09/25/2024 Food and Beverage Undisputed 01/23/2026 1133712477 CMS
Gilead Sciences, Inc. $25.56 11/15/2024 Food and Beverage Undisputed 01/23/2026 1133712479 CMS
Gilead Sciences, Inc. $28.09 11/20/2024 Food and Beverage Undisputed 01/23/2026 1133712481 CMS
Gilead Sciences, Inc. $121.35 11/20/2024 Food and Beverage Undisputed 01/23/2026 1133712483 CMS
Gilead Sciences, Inc. $8.56 12/20/2024 Food and Beverage Undisputed 01/23/2026 1133712485 CMS
IBSA Pharma Inc. $16.66 01/16/2024 Food and Beverage Undisputed 01/23/2026 1142977562 CMS
IBSA Pharma Inc. $16.16 03/15/2024 Food and Beverage Undisputed 01/23/2026 1142977564 CMS
IBSA Pharma Inc. $16.48 05/24/2024 Food and Beverage Undisputed 01/23/2026 1142977566 CMS
IBSA Pharma Inc. $16.66 08/09/2024 Food and Beverage Undisputed 01/23/2026 1142971675 CMS
IBSA Pharma Inc. $16.66 09/13/2024 Food and Beverage Undisputed 01/23/2026 1142973243 CMS
Madrigal Pharmaceuticals $150.00 12/18/2024 Food and Beverage Undisputed 01/23/2026 1144201251 CMS
Phathom Pharmaceuticals, Inc. $8.47 06/07/2024 Food and Beverage Undisputed 01/23/2026 1151218239 CMS
Phathom Pharmaceuticals, Inc. $6.92 08/09/2024 Food and Beverage Undisputed 01/23/2026 1151218241 CMS
Phathom Pharmaceuticals, Inc. $150.00 09/05/2024 Food and Beverage Undisputed 01/23/2026 1151218243 CMS
Phathom Pharmaceuticals, Inc. $7.89 09/27/2024 Food and Beverage Undisputed 01/23/2026 1151218245 CMS
Phathom Pharmaceuticals, Inc. $5.91 10/30/2024 Food and Beverage Undisputed 01/23/2026 1151218247 CMS
Phathom Pharmaceuticals, Inc. $150.00 11/25/2024 Food and Beverage Undisputed 01/23/2026 1151218249 CMS
Phathom Pharmaceuticals, Inc. $5.82 12/11/2024 Food and Beverage Undisputed 01/23/2026 1151218251 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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