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

WEIMING R YAN

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1851552624
CMS profile
357256
Location
FREDERICK, MD

General Payments · PY2018–2024

$6,091.52

  • Reported across 296 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,865.11

83 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 $1,785.12 82
Education $79.99 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $243.53 3
PY2019 $272.94 5
PY2020 $82.60 4
PY2021 $302.67 18
PY2022 $1,451.83 77
PY2023 $1,872.84 106
PY2024 $1,865.11 83

Payment records · PY2024 (83)

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. $30.30 01/12/2024 Food and Beverage Undisputed 01/23/2026 1106369633 CMS
ABBVIE INC. $7.65 01/19/2024 Food and Beverage Undisputed 01/23/2026 1106369635 CMS
ABBVIE INC. $15.06 01/23/2024 Food and Beverage Undisputed 01/23/2026 1106369637 CMS
ABBVIE INC. $11.92 01/31/2024 Food and Beverage Undisputed 01/23/2026 1106369639 CMS
ABBVIE INC. $15.32 02/06/2024 Food and Beverage Undisputed 01/23/2026 1106369641 CMS
ABBVIE INC. $29.12 02/20/2024 Food and Beverage Undisputed 01/23/2026 1106369643 CMS
ABBVIE INC. $3.34 03/05/2024 Food and Beverage Undisputed 01/23/2026 1106369645 CMS
ABBVIE INC. $21.33 04/02/2024 Food and Beverage Undisputed 01/23/2026 1106369647 CMS
ABBVIE INC. $23.09 04/15/2024 Food and Beverage Undisputed 01/23/2026 1106369649 CMS
ABBVIE INC. $20.85 04/16/2024 Food and Beverage Undisputed 01/23/2026 1106369651 CMS
ABBVIE INC. $13.89 06/18/2024 Food and Beverage Undisputed 01/23/2026 1106369653 CMS
ABBVIE INC. $25.41 06/20/2024 Food and Beverage Undisputed 01/23/2026 1106369655 CMS
ABBVIE INC. $16.93 08/09/2024 Food and Beverage Undisputed 01/23/2026 1106369657 CMS
ABBVIE INC. $14.65 08/22/2024 Food and Beverage Undisputed 01/23/2026 1106369659 CMS
ABBVIE INC. $29.46 09/16/2024 Food and Beverage Undisputed 01/23/2026 1106369661 CMS
ABBVIE INC. $12.82 09/25/2024 Food and Beverage Undisputed 01/23/2026 1106369663 CMS
ABBVIE INC. $19.12 10/24/2024 Food and Beverage Undisputed 01/23/2026 1106369665 CMS
AngioDynamics, Inc. $95.23 05/29/2024 Food and Beverage Undisputed 01/23/2026 1095101107 CMS
Ardelyx, Inc. $18.56 03/05/2024 Food and Beverage Undisputed 01/23/2026 1146714859 CMS
Ardelyx, Inc. $34.54 11/06/2024 Food and Beverage Undisputed 01/23/2026 1146714861 CMS
Celgene Corporation $18.28 01/22/2024 Food and Beverage Undisputed 01/23/2026 1101086177 CMS
Celgene Corporation $22.67 02/09/2024 Food and Beverage Undisputed 01/23/2026 1101086179 CMS
Celgene Corporation $18.23 09/23/2024 Food and Beverage Undisputed 01/23/2026 1101086207 CMS
Daiichi Sankyo Inc. $26.92 05/08/2024 Food and Beverage Undisputed 01/23/2026 1089500310 CMS
Daiichi Sankyo Inc. $25.80 07/21/2024 Food and Beverage Undisputed 01/23/2026 1089500314 CMS
Daiichi Sankyo Inc. $21.54 09/12/2024 Food and Beverage Undisputed 01/23/2026 1089500272 CMS
Daiichi Sankyo Inc. $18.60 11/04/2024 Food and Beverage Undisputed 01/23/2026 1089500280 CMS
Fresenius Kabi USA, LLC $23.60 04/01/2024 Food and Beverage Undisputed 01/23/2026 1146956239 CMS
Fresenius Kabi USA, LLC $14.23 05/02/2024 Food and Beverage Undisputed 01/23/2026 1146956235 CMS
Fresenius Kabi USA, LLC $22.91 05/21/2024 Food and Beverage Undisputed 01/23/2026 1146956237 CMS
Gilead Sciences, Inc. $28.01 04/16/2024 Food and Beverage Undisputed 01/23/2026 1133776951 CMS
Gilead Sciences, Inc. $22.51 12/16/2024 Food and Beverage Undisputed 01/23/2026 1133776953 CMS
Ipsen Biopharmaceuticals, Inc $17.73 08/26/2024 Food and Beverage Undisputed 01/23/2026 1091986635 CMS
IRONWOOD PHARMACEUTICALS, INC $16.28 05/30/2024 Food and Beverage Undisputed 01/23/2026 1153769993 CMS
IRONWOOD PHARMACEUTICALS, INC $17.56 06/26/2024 Food and Beverage Undisputed 01/23/2026 1153765305 CMS
Janssen Biotech, Inc. $24.68 06/11/2024 Food and Beverage Undisputed 01/23/2026 1078721068 CMS
Janssen Biotech, Inc. $38.41 06/17/2024 Food and Beverage Undisputed 01/23/2026 1078721399 CMS
Janssen Biotech, Inc. $79.99 07/02/2024 Education Undisputed 01/23/2026 1078721837 CMS
Janssen Biotech, Inc. $38.46 10/09/2024 Food and Beverage Undisputed 01/23/2026 1078721473 CMS
Janssen Biotech, Inc. $27.94 11/14/2024 Food and Beverage Undisputed 01/23/2026 1078721557 CMS
Janssen Biotech, Inc. $27.77 11/20/2024 Food and Beverage Undisputed 01/23/2026 1078721670 CMS
Lilly USA, LLC $18.96 04/03/2024 Food and Beverage Undisputed 01/23/2026 1135496168 CMS
Lilly USA, LLC $19.08 06/12/2024 Food and Beverage Undisputed 01/23/2026 1135496170 CMS
Lilly USA, LLC $16.15 08/21/2024 Food and Beverage Undisputed 01/23/2026 1135477794 CMS
Madrigal Pharmaceuticals $25.98 12/10/2024 Food and Beverage Undisputed 01/23/2026 1144185857 CMS
PFIZER INC. $22.11 02/23/2024 Food and Beverage Undisputed 01/23/2026 1131441172 CMS
PFIZER INC. $22.90 05/13/2024 Food and Beverage Undisputed 01/23/2026 1131459209 CMS
PFIZER INC. $22.41 08/15/2024 Food and Beverage Undisputed 01/23/2026 1131537413 CMS
PFIZER INC. $22.71 08/22/2024 Food and Beverage Undisputed 01/23/2026 1131575016 CMS
PFIZER INC. $20.29 12/04/2024 Food and Beverage Undisputed 01/23/2026 1131510621 CMS
Phathom Pharmaceuticals, Inc. $13.08 02/07/2024 Food and Beverage Undisputed 01/23/2026 1151141175 CMS
Phathom Pharmaceuticals, Inc. $15.98 04/03/2024 Food and Beverage Undisputed 01/23/2026 1151141177 CMS
Phathom Pharmaceuticals, Inc. $16.79 05/16/2024 Food and Beverage Undisputed 01/23/2026 1151141179 CMS
Phathom Pharmaceuticals, Inc. $20.69 07/01/2024 Food and Beverage Undisputed 01/23/2026 1151141181 CMS
Phathom Pharmaceuticals, Inc. $13.16 07/22/2024 Food and Beverage Undisputed 01/23/2026 1151141183 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.22 01/17/2024 Food and Beverage Undisputed 01/23/2026 1153450619 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $1.57 01/17/2024 Food and Beverage Undisputed 01/23/2026 1153566902 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $23.40 02/05/2024 Food and Beverage Undisputed 01/23/2026 1153720663 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $1.48 02/28/2024 Food and Beverage Undisputed 01/23/2026 1153584079 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.88 02/28/2024 Food and Beverage Undisputed 01/23/2026 1153669628 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.11 04/10/2024 Food and Beverage Undisputed 01/23/2026 1153644345 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.02 05/07/2024 Food and Beverage Undisputed 01/23/2026 1153639354 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $22.33 05/13/2024 Food and Beverage Undisputed 01/23/2026 1153699889 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.74 06/06/2024 Food and Beverage Undisputed 01/23/2026 1153581101 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.91 07/24/2024 Food and Beverage Undisputed 01/23/2026 1153578459 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $9.36 08/14/2024 Food and Beverage Undisputed 01/23/2026 1153482152 CMS
Takeda Pharmaceuticals U.S.A., Inc. $27.39 01/17/2024 Food and Beverage Undisputed 01/23/2026 1137700438 CMS
Takeda Pharmaceuticals U.S.A., Inc. $20.06 01/30/2024 Food and Beverage Undisputed 01/23/2026 1137700440 CMS
Takeda Pharmaceuticals U.S.A., Inc. $33.26 02/13/2024 Food and Beverage Undisputed 01/23/2026 1137700442 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.47 03/07/2024 Food and Beverage Undisputed 01/23/2026 1137700444 CMS
Takeda Pharmaceuticals U.S.A., Inc. $24.00 03/08/2024 Food and Beverage Undisputed 01/23/2026 1137700446 CMS
Takeda Pharmaceuticals U.S.A., Inc. $24.13 03/18/2024 Food and Beverage Undisputed 01/23/2026 1137700448 CMS
Takeda Pharmaceuticals U.S.A., Inc. $25.39 04/11/2024 Food and Beverage Undisputed 01/23/2026 1137700450 CMS
Takeda Pharmaceuticals U.S.A., Inc. $19.93 04/30/2024 Food and Beverage Undisputed 01/23/2026 1137700452 CMS
Takeda Pharmaceuticals U.S.A., Inc. $27.39 05/10/2024 Food and Beverage Undisputed 01/23/2026 1137700454 CMS
Takeda Pharmaceuticals U.S.A., Inc. $24.01 06/18/2024 Food and Beverage Undisputed 01/23/2026 1137700456 CMS
Takeda Pharmaceuticals U.S.A., Inc. $28.61 08/05/2024 Food and Beverage Undisputed 01/23/2026 1137700458 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.26 08/13/2024 Food and Beverage Undisputed 01/23/2026 1137700460 CMS
Takeda Pharmaceuticals U.S.A., Inc. $26.91 08/23/2024 Food and Beverage Undisputed 01/23/2026 1137700462 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.31 09/03/2024 Food and Beverage Undisputed 01/23/2026 1137700464 CMS
Takeda Pharmaceuticals U.S.A., Inc. $23.37 09/11/2024 Food and Beverage Undisputed 01/23/2026 1137700466 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.48 10/08/2024 Food and Beverage Undisputed 01/23/2026 1137700468 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.12 10/18/2024 Food and Beverage Undisputed 01/23/2026 1137700470 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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