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

Covered recipient · General Payments record

DANIEL K CHAN

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1255627980
CMS profile
570056
Location
EWA BEACH, HI

General Payments · PY2019–2025

$17,096.80

  • Reported across 173 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$4,574.87

52 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

PY2025 · sorted by reported total

By paying entity

PY2025 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $7,830.94 44
PY2020 $2,828.72 7
PY2021 $140.90 3
PY2022 $65.46 2
PY2023 $557.13 20
PY2024 $1,098.78 45
PY2025 $4,574.87 52

Payment records · PY2025 (52)

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

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $26.68 01/13/2025 Food and Beverage Undisputed 06/30/2026 1201627816 CMS
ABBVIE INC. $26.47 01/28/2025 Food and Beverage Undisputed 06/30/2026 1201627818 CMS
ABBVIE INC. $25.76 02/04/2025 Food and Beverage Undisputed 06/30/2026 1201627820 CMS
ABBVIE INC. $33.64 02/27/2025 Food and Beverage Undisputed 06/30/2026 1201627822 CMS
ABBVIE INC. $25.33 03/04/2025 Food and Beverage Undisputed 06/30/2026 1201627824 CMS
ABBVIE INC. $24.60 03/27/2025 Food and Beverage Undisputed 06/30/2026 1201627826 CMS
ABBVIE INC. $31.79 04/08/2025 Food and Beverage Undisputed 06/30/2026 1201627828 CMS
ABBVIE INC. $31.18 04/16/2025 Food and Beverage Undisputed 06/30/2026 1201627830 CMS
ABBVIE INC. $33.61 05/07/2025 Food and Beverage Undisputed 06/30/2026 1201627832 CMS
ABBVIE INC. $25.06 05/29/2025 Food and Beverage Undisputed 06/30/2026 1201627834 CMS
ABBVIE INC. $28.72 06/02/2025 Food and Beverage Undisputed 06/30/2026 1201627836 CMS
ABBVIE INC. $25.54 06/13/2025 Food and Beverage Undisputed 06/30/2026 1201627838 CMS
ABBVIE INC. $30.65 07/07/2025 Food and Beverage Undisputed 06/30/2026 1201627840 CMS
ABBVIE INC. $22.29 07/23/2025 Food and Beverage Undisputed 06/30/2026 1201627842 CMS
ABBVIE INC. $23.86 08/13/2025 Food and Beverage Undisputed 06/30/2026 1201627844 CMS
ABBVIE INC. $26.36 10/14/2025 Food and Beverage Undisputed 06/30/2026 1201627846 CMS
ABBVIE INC. $28.36 11/25/2025 Food and Beverage Undisputed 06/30/2026 1201627848 CMS
Ardelyx, Inc. $33.56 01/21/2025 Food and Beverage Undisputed 06/30/2026 1247839690 CMS
Ardelyx, Inc. $33.11 08/27/2025 Food and Beverage Undisputed 06/30/2026 1247839692 CMS
Celltrion USA Inc. $21.67 07/22/2025 Food and Beverage Undisputed 06/30/2026 1250819699 CMS
Celltrion USA Inc. $21.53 08/28/2025 Food and Beverage Undisputed 06/30/2026 1250819701 CMS
Celltrion USA Inc. $22.45 11/20/2025 Food and Beverage Undisputed 06/30/2026 1250819703 CMS
Exact Sciences Corporation $570.00 04/25/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 06/30/2026 1235632090 CMS
Exact Sciences Corporation $26.60 05/24/2025 Travel and Lodging Undisputed 06/30/2026 1235632047 CMS
Exact Sciences Corporation $10.00 05/24/2025 Travel and Lodging Undisputed 06/30/2026 1235632052 CMS
Exact Sciences Corporation $5.00 05/24/2025 Travel and Lodging Undisputed 06/30/2026 1235632056 CMS
Exact Sciences Corporation $450.00 05/24/2025 Travel and Lodging Undisputed 06/30/2026 1235632065 CMS
Exact Sciences Corporation $675.00 06/02/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 06/30/2026 1235632085 CMS
Exact Sciences Corporation $23.30 07/27/2025 Food and Beverage Undisputed 06/30/2026 1235632043 CMS
Exact Sciences Corporation $30.80 12/16/2025 Travel and Lodging Undisputed 06/30/2026 1235632078 CMS
Exact Sciences Corporation $117.89 12/16/2025 Food and Beverage Undisputed 06/30/2026 1235632082 CMS
Exact Sciences Corporation $337.50 12/17/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 06/30/2026 1235632094 CMS
Exact Sciences Corporation $1,237.50 12/17/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 06/30/2026 1235632114 CMS
Ferring Pharmaceuticals Inc. $16.52 09/02/2025 Food and Beverage Undisputed 06/30/2026 1242061855 CMS
Ferring Pharmaceuticals Inc. $15.82 10/07/2025 Food and Beverage Undisputed 06/30/2026 1242061857 CMS
GENZYME CORPORATION $42.60 06/12/2025 Food and Beverage Undisputed 06/30/2026 1233604888 CMS
GENZYME CORPORATION $30.49 08/08/2025 Food and Beverage Undisputed 06/30/2026 1233604914 CMS
Janssen Biotech, Inc. $76.99 07/24/2025 Education Undisputed 06/30/2026 1175417177 CMS
Madrigal Pharmaceuticals $29.67 01/15/2025 Food and Beverage Undisputed 06/30/2026 1248244511 CMS
Madrigal Pharmaceuticals $28.13 02/12/2025 Food and Beverage Undisputed 06/30/2026 1248244515 CMS
Madrigal Pharmaceuticals $30.71 09/23/2025 Food and Beverage Undisputed 06/30/2026 1248244517 CMS
PFIZER INC. $20.18 05/14/2025 Food and Beverage Undisputed 06/30/2026 1231723846 CMS
PFIZER INC. $18.38 06/09/2025 Food and Beverage Undisputed 06/30/2026 1228810598 CMS
PFIZER INC. $18.12 07/02/2025 Food and Beverage Undisputed 06/30/2026 1230038203 CMS
PFIZER INC. $17.45 08/05/2025 Food and Beverage Undisputed 06/30/2026 1229125280 CMS
PFIZER INC. $16.22 09/16/2025 Food and Beverage Undisputed 06/30/2026 1229471312 CMS
PFIZER INC. $16.54 10/03/2025 Food and Beverage Undisputed 06/30/2026 1229539385 CMS
Takeda Pharmaceuticals U.S.A., Inc. $15.67 03/24/2025 Food and Beverage Undisputed 06/30/2026 1223823420 CMS
Takeda Pharmaceuticals U.S.A., Inc. $25.54 04/29/2025 Food and Beverage Undisputed 06/30/2026 1223899597 CMS
Takeda Pharmaceuticals U.S.A., Inc. $17.48 04/30/2025 Food and Beverage Undisputed 06/30/2026 1223836419 CMS
Takeda Pharmaceuticals U.S.A., Inc. $30.15 07/22/2025 Food and Beverage Undisputed 06/30/2026 1223921818 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.40 12/09/2025 Food and Beverage Undisputed 06/30/2026 1223877385 CMS

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
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
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.

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