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

BRIAN CHAN KAI

Allopathic & Osteopathic Physicians Ophthalmology Retina Specialist

NPI
1578690566
CMS profile
1148796
Location
PORTLAND, OR

General Payments · PY2018–2024

$113,921.02

  • Reported across 164 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$39,540.40

41 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

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Regeneron Healthcare Solutions, Inc. $18,781.15 11
Apellis Pharmaceuticals, Inc. $15,668.17 15
Genentech USA, Inc. $2,310.85 5
ABBVIE INC. $2,261.67 5
Alimera Sciences, Inc. $154.44 1
Cardinal Health 110 LLC $150.00 1
Astellas Pharma US Inc $108.33 1
Genentech, Inc. $105.79 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $12,191.15 13
PY2019 $15,808.43 19
PY2020 $1,822.11 5
PY2021 $3,957.53 8
PY2022 $10,608.02 36
PY2023 $29,993.38 42
PY2024 $39,540.40 41

Payment records · PY2024 (41)

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

Program year 2024 201820192020202120222023 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. $13.62 06/26/2024 Food and Beverage Undisputed 01/23/2026 1103438482 CMS
ABBVIE INC. $600.00 06/27/2024 Consulting Fee Undisputed 01/23/2026 1103132687 CMS
ABBVIE INC. $7.72 10/07/2024 Food and Beverage Undisputed 01/23/2026 1103438484 CMS
ABBVIE INC. $40.33 11/05/2024 Food and Beverage Undisputed 01/23/2026 1103438486 CMS
ABBVIE INC. $1,600.00 12/30/2024 Consulting Fee Undisputed 01/23/2026 1103132689 CMS
Alimera Sciences, Inc. $154.44 08/14/2024 Food and Beverage Undisputed 01/23/2026 1092829617 CMS
Apellis Pharmaceuticals, Inc. $68.72 01/16/2024 Food and Beverage Undisputed 01/23/2026 1154017887 CMS
Apellis Pharmaceuticals, Inc. $1,500.00 01/24/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1154017893 CMS
Apellis Pharmaceuticals, Inc. $125.00 02/20/2024 Food and Beverage Undisputed 01/23/2026 1154017889 CMS
Apellis Pharmaceuticals, Inc. $2,885.00 02/28/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1154017891 CMS
Apellis Pharmaceuticals, Inc. $1,500.00 10/16/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1154017899 CMS
Apellis Pharmaceuticals, Inc. $7.13 11/04/2024 Food and Beverage Undisputed 01/23/2026 1154017897 CMS
Apellis Pharmaceuticals, Inc. $16.71 11/25/2024 Food and Beverage Undisputed 01/23/2026 1154017895 CMS
Apellis Pharmaceuticals, Inc. $401.87 12/02/2024 Travel and Lodging Undisputed 01/23/2026 1154017905 CMS
Apellis Pharmaceuticals, Inc. $15.89 12/02/2024 Food and Beverage Undisputed 01/23/2026 1154017909 CMS
Apellis Pharmaceuticals, Inc. $325.75 12/02/2024 Travel and Lodging Undisputed 01/23/2026 1154017915 CMS
Apellis Pharmaceuticals, Inc. $3,750.50 12/04/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1154017903 CMS
Apellis Pharmaceuticals, Inc. $116.00 12/18/2024 Travel and Lodging Undisputed 01/23/2026 1154017911 CMS
Apellis Pharmaceuticals, Inc. $4,904.50 12/24/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1154017901 CMS
Apellis Pharmaceuticals, Inc. $30.00 12/30/2024 Travel and Lodging Undisputed 01/23/2026 1154017907 CMS
Apellis Pharmaceuticals, Inc. $21.10 12/30/2024 Food and Beverage Undisputed 01/23/2026 1154017913 CMS
Astellas Pharma US Inc $108.33 10/18/2024 Food and Beverage Undisputed 01/23/2026 1139406673 CMS
Cardinal Health 110 LLC $150.00 02/02/2024 Consulting Fee Undisputed 01/23/2026 1100223177 CMS
Genentech USA, Inc. $44.85 01/18/2024 Food and Beverage Undisputed 01/23/2026 1132982593 CMS
Genentech USA, Inc. $136.00 04/04/2024 Food and Beverage Undisputed 01/23/2026 1132982597 CMS
Genentech USA, Inc. $710.00 04/11/2024 Consulting Fee Undisputed 01/23/2026 1132982595 CMS
Genentech USA, Inc. $710.00 07/03/2024 Consulting Fee Undisputed 01/23/2026 1132982603 CMS
Genentech USA, Inc. $710.00 12/28/2024 Consulting Fee Undisputed 01/23/2026 1132982599 CMS
Genentech, Inc. $28.95 01/17/2024 Food and Beverage Undisputed 01/23/2026 1132982591 CMS
Genentech, Inc. $76.84 10/18/2024 Food and Beverage Undisputed 01/23/2026 1132982601 CMS
Regeneron Healthcare Solutions, Inc. $529.00 01/30/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1114021356 CMS
Regeneron Healthcare Solutions, Inc. $94.59 02/27/2024 Food and Beverage Undisputed 01/23/2026 1114021358 CMS
Regeneron Healthcare Solutions, Inc. $135.00 04/04/2024 Food and Beverage Undisputed 01/23/2026 1114021360 CMS
Regeneron Healthcare Solutions, Inc. $782.16 04/08/2024 Travel and Lodging Undisputed 01/23/2026 1114021362 CMS
Regeneron Healthcare Solutions, Inc. $6,348.00 04/09/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1114021364 CMS
Regeneron Healthcare Solutions, Inc. $20.73 06/19/2024 Education Undisputed 01/23/2026 1114021366 CMS
Regeneron Healthcare Solutions, Inc. $1,763.33 07/22/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1114021368 CMS
Regeneron Healthcare Solutions, Inc. $317.96 09/20/2024 Travel and Lodging Undisputed 01/23/2026 1114021370 CMS
Regeneron Healthcare Solutions, Inc. $125.00 10/15/2024 Food and Beverage Undisputed 01/23/2026 1114021372 CMS
Regeneron Healthcare Solutions, Inc. $201.38 10/16/2024 Travel and Lodging Undisputed 01/23/2026 1114021374 CMS
Regeneron Healthcare Solutions, Inc. $8,464.00 10/23/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1114021376 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
2018, 2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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