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

MICHAEL DAVID WEISS

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1639269582
CMS profile
637484
Location
SEATTLE, WA

General Payments · PY2018–2024

$69,989.68

  • Reported across 83 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$20,151.83

34 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
UCB, Inc. $11,783.43 16
Amgen Inc. $6,395.22 7
ARGENX US, INC. $1,453.69 4
Cadwell Industries, INC $170.00 1
Takeda Pharmaceuticals U.S.A., Inc. $150.19 3
Biogen, Inc. $149.30 2
Alexion Pharmaceuticals, Inc. $50.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $413.13 3
PY2019 $289.03 3
PY2020 $4,690.00 3
PY2021 $21,185.00 9
PY2022 $14,481.58 10
PY2023 $8,779.11 21
PY2024 $20,151.83 34

Payment records · PY2024 (34)

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
Alexion Pharmaceuticals, Inc. $50.00 04/24/2024 Education Undisputed 01/23/2026 1093969515 CMS
Amgen Inc. $2,200.00 05/23/2024 Consulting Fee Undisputed 01/23/2026 1116204555 CMS
Amgen Inc. $21.36 10/18/2024 Food and Beverage Undisputed 01/23/2026 1116204559 CMS
Amgen Inc. $437.25 10/18/2024 Travel and Lodging Undisputed 01/23/2026 1116204564 CMS
Amgen Inc. $97.61 10/18/2024 Food and Beverage Undisputed 01/23/2026 1116204569 CMS
Amgen Inc. $100.00 10/18/2024 Food and Beverage Undisputed 01/23/2026 1116204575 CMS
Amgen Inc. $3,300.00 10/18/2024 Consulting Fee Undisputed 01/23/2026 1116204579 CMS
Amgen Inc. $239.00 10/19/2024 Travel and Lodging Undisputed 01/23/2026 1116204572 CMS
ARGENX US, INC. $23.20 02/22/2024 Food and Beverage Undisputed 01/23/2026 1142103851 CMS
ARGENX US, INC. $55.50 07/08/2024 Education Undisputed 01/23/2026 1142121914 CMS
ARGENX US, INC. $1,250.00 07/09/2024 Consulting Fee Undisputed 01/23/2026 1142114015 CMS
ARGENX US, INC. $124.99 12/04/2024 Food and Beverage Undisputed 01/23/2026 1142121607 CMS
Biogen, Inc. $11.11 10/17/2024 Food and Beverage Undisputed 01/23/2026 1104833103 CMS
Biogen, Inc. $138.19 10/17/2024 Food and Beverage Undisputed 01/23/2026 1104840913 CMS
Cadwell Industries, INC $170.00 10/14/2024 Food and Beverage Undisputed 01/23/2026 1136683930 CMS
Takeda Pharmaceuticals U.S.A., Inc. $12.60 03/01/2024 Education Undisputed 01/23/2026 1137696370 CMS
Takeda Pharmaceuticals U.S.A., Inc. $12.60 03/01/2024 Education Undisputed 01/23/2026 1137696372 CMS
Takeda Pharmaceuticals U.S.A., Inc. $124.99 08/01/2024 Food and Beverage Undisputed 01/23/2026 1137696374 CMS
UCB, Inc. $35.00 04/14/2024 Food and Beverage Undisputed 01/23/2026 1143175034 CMS
UCB, Inc. $76.67 04/15/2024 Food and Beverage Undisputed 01/23/2026 1143175036 CMS
UCB, Inc. $89.52 04/17/2024 Food and Beverage Undisputed 01/23/2026 1143175038 CMS
UCB, Inc. $108.75 05/09/2024 Food and Beverage Undisputed 01/23/2026 1143175040 CMS
UCB, Inc. $109.76 07/10/2024 Food and Beverage Undisputed 01/23/2026 1143175042 CMS
UCB, Inc. $6,400.00 08/20/2024 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 1143175044 CMS
UCB, Inc. $1,040.00 09/12/2024 Consulting Fee Undisputed 01/23/2026 1143175046 CMS
UCB, Inc. $1,040.00 09/24/2024 Consulting Fee Undisputed 01/23/2026 1143175048 CMS
UCB, Inc. $151.55 10/14/2024 Food and Beverage Undisputed 01/23/2026 1143175050 CMS
UCB, Inc. $8.33 10/17/2024 Food and Beverage Undisputed 01/23/2026 1143175052 CMS
UCB, Inc. $16.25 10/17/2024 Food and Beverage Undisputed 01/23/2026 1143175054 CMS
UCB, Inc. $2,080.00 11/12/2024 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 1143175056 CMS
UCB, Inc. $32.64 11/19/2024 Travel and Lodging Undisputed 01/23/2026 1143175058 CMS
UCB, Inc. $40.00 11/19/2024 Food and Beverage Undisputed 01/23/2026 1143175060 CMS
UCB, Inc. $268.98 11/19/2024 Travel and Lodging Undisputed 01/23/2026 1143175062 CMS
UCB, Inc. $285.98 11/19/2024 Travel and Lodging Undisputed 01/23/2026 1143175064 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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