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

HAN ZHANG

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1659734929
CMS profile
8802465
Location
SCOTTSDALE, AZ

General Payments · PY2020–2024

$4,314.25

  • Reported across 110 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,954.92

49 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 $1,928.56 47
Education $26.36 2

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2020 $88.77 5
PY2021 $1,116.74 23
PY2022 $856.41 21
PY2023 $297.41 12
PY2024 $1,954.92 49

Payment records · PY2024 (49)

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

Program year 2024 2020202120222023 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. $19.11 02/21/2024 Food and Beverage Undisputed 01/23/2026 1106394455 CMS
ABBVIE INC. $14.81 04/02/2024 Food and Beverage Undisputed 01/23/2026 1106394457 CMS
ABBVIE INC. $19.68 08/21/2024 Food and Beverage Undisputed 01/23/2026 1106394459 CMS
ABBVIE INC. $16.51 09/18/2024 Food and Beverage Undisputed 01/23/2026 1106394461 CMS
ABBVIE INC. $32.64 10/03/2024 Food and Beverage Undisputed 01/23/2026 1106394463 CMS
ABBVIE INC. $19.22 10/30/2024 Food and Beverage Undisputed 01/23/2026 1106394465 CMS
ABBVIE INC. $15.12 11/20/2024 Food and Beverage Undisputed 01/23/2026 1106394467 CMS
ABBVIE INC. $117.01 12/05/2024 Food and Beverage Undisputed 01/23/2026 1106394469 CMS
Ardelyx, Inc. $26.26 09/05/2024 Food and Beverage Undisputed 01/23/2026 1146715683 CMS
Ardelyx, Inc. $23.15 10/10/2024 Food and Beverage Undisputed 01/23/2026 1146715685 CMS
Boston Scientific Corporation $55.86 09/24/2024 Food and Beverage Undisputed 01/23/2026 1092674969 CMS
EVOKE PHARMA, INC. $15.23 11/26/2024 Food and Beverage Undisputed 01/23/2026 1127780063 CMS
GENZYME CORPORATION $29.41 01/11/2024 Food and Beverage Undisputed 01/23/2026 1139859056 CMS
GENZYME CORPORATION $121.57 02/29/2024 Food and Beverage Undisputed 01/23/2026 1139859180 CMS
GENZYME CORPORATION $34.91 04/11/2024 Food and Beverage Undisputed 01/23/2026 1139859082 CMS
GENZYME CORPORATION $29.84 08/07/2024 Food and Beverage Undisputed 01/23/2026 1139859126 CMS
GENZYME CORPORATION $21.06 09/16/2024 Food and Beverage Undisputed 01/23/2026 1139859148 CMS
GENZYME CORPORATION $34.19 10/17/2024 Food and Beverage Undisputed 01/23/2026 1139859156 CMS
GENZYME CORPORATION $38.67 10/24/2024 Food and Beverage Undisputed 01/23/2026 1139859158 CMS
GENZYME CORPORATION $26.76 11/21/2024 Food and Beverage Undisputed 01/23/2026 1139859182 CMS
Janssen Biotech, Inc. $18.46 06/11/2024 Food and Beverage Undisputed 01/23/2026 1078282489 CMS
Laborie Medical Technologies Corp. $18.48 09/27/2024 Food and Beverage Undisputed 01/23/2026 1154320708 CMS
Merck Sharp & Dohme LLC $17.48 02/14/2024 Food and Beverage Undisputed 01/23/2026 1141833567 CMS
Merck Sharp & Dohme LLC $18.35 03/13/2024 Food and Beverage Undisputed 01/23/2026 1141588144 CMS
Merck Sharp & Dohme LLC $16.68 11/14/2024 Food and Beverage Undisputed 01/23/2026 1141588146 CMS
Phathom Pharmaceuticals, Inc. $125.00 03/13/2024 Food and Beverage Undisputed 01/23/2026 1151142861 CMS
Phathom Pharmaceuticals, Inc. $128.22 08/01/2024 Food and Beverage Undisputed 01/23/2026 1151142863 CMS
Phathom Pharmaceuticals, Inc. $125.00 10/08/2024 Food and Beverage Undisputed 01/23/2026 1151142865 CMS
QOL Medical, LLC $14.93 06/27/2024 Food and Beverage Undisputed 01/23/2026 1147722472 CMS
RedHill Biopharma Inc. $39.67 02/15/2024 Food and Beverage Undisputed 01/23/2026 1095477373 CMS
Regeneron Healthcare Solutions, Inc. $123.98 01/19/2024 Food and Beverage Undisputed 01/23/2026 1114261620 CMS
Regeneron Healthcare Solutions, Inc. $27.40 03/15/2024 Food and Beverage Undisputed 01/23/2026 1114261622 CMS
Regeneron Healthcare Solutions, Inc. $125.22 05/10/2024 Food and Beverage Undisputed 01/23/2026 1114261624 CMS
Regeneron Healthcare Solutions, Inc. $26.33 06/06/2024 Food and Beverage Undisputed 01/23/2026 1114261626 CMS
Regeneron Healthcare Solutions, Inc. $23.81 12/19/2024 Food and Beverage Undisputed 01/23/2026 1114261628 CMS
Regeneron Pharmaceuticals, Inc. $112.67 06/18/2024 Food and Beverage Undisputed 01/23/2026 1114406834 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.65 11/27/2024 Food and Beverage Undisputed 01/23/2026 1153463428 CMS
Takeda Pharmaceuticals U.S.A., Inc. $13.76 04/10/2024 Education Undisputed 01/23/2026 1137702716 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.16 04/10/2024 Food and Beverage Undisputed 01/23/2026 1137702718 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.06 04/15/2024 Food and Beverage Undisputed 01/23/2026 1137702720 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.94 05/02/2024 Food and Beverage Undisputed 01/23/2026 1137702722 CMS
Takeda Pharmaceuticals U.S.A., Inc. $27.69 05/06/2024 Food and Beverage Undisputed 01/23/2026 1137702724 CMS
Takeda Pharmaceuticals U.S.A., Inc. $12.60 05/31/2024 Education Undisputed 01/23/2026 1137702726 CMS
Takeda Pharmaceuticals U.S.A., Inc. $18.95 06/20/2024 Food and Beverage Undisputed 01/23/2026 1137702728 CMS
Takeda Pharmaceuticals U.S.A., Inc. $33.07 08/05/2024 Food and Beverage Undisputed 01/23/2026 1137702730 CMS
Takeda Pharmaceuticals U.S.A., Inc. $19.37 08/22/2024 Food and Beverage Undisputed 01/23/2026 1137702732 CMS
Takeda Pharmaceuticals U.S.A., Inc. $30.92 10/23/2024 Food and Beverage Undisputed 01/23/2026 1137702734 CMS
Takeda Pharmaceuticals U.S.A., Inc. $18.70 11/07/2024 Food and Beverage Undisputed 01/23/2026 1137702736 CMS
Takeda Pharmaceuticals U.S.A., Inc. $24.36 11/18/2024 Food and Beverage Undisputed 01/23/2026 1137702738 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
2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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