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

ALLEN L L HWANG

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1558532689
CMS profile
578090
Location
BOSTON, MA

General Payments · PY2018–2024

$13,219.12

  • Reported across 126 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,027.44

47 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
Consulting Fee $1,863.00 1
Food and Beverage $1,126.48 44
Education $37.96 2

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $219.08 10
PY2019 $47.83 3
PY2020 $5,517.65 9
PY2021 $398.92 12
PY2022 $1,955.51 14
PY2023 $2,052.69 31
PY2024 $3,027.44 47

Payment records · PY2024 (47)

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. $28.66 03/19/2024 Food and Beverage Undisputed 01/23/2026 1103960963 CMS
ABBVIE INC. $27.77 07/10/2024 Food and Beverage Undisputed 01/23/2026 1103960965 CMS
ABBVIE INC. $27.28 08/02/2024 Food and Beverage Undisputed 01/23/2026 1103960967 CMS
ABBVIE INC. $1.90 08/06/2024 Food and Beverage Undisputed 01/23/2026 1103960969 CMS
ABBVIE INC. $11.81 08/06/2024 Food and Beverage Undisputed 01/23/2026 1103960971 CMS
ABBVIE INC. $22.88 08/27/2024 Food and Beverage Undisputed 01/23/2026 1103960973 CMS
ABBVIE INC. $31.90 08/27/2024 Food and Beverage Undisputed 01/23/2026 1103960975 CMS
ABBVIE INC. $31.15 11/12/2024 Food and Beverage Undisputed 01/23/2026 1103960977 CMS
ABBVIE INC. $16.15 12/09/2024 Food and Beverage Undisputed 01/23/2026 1103960979 CMS
Ardelyx, Inc. $22.91 10/24/2024 Food and Beverage Undisputed 01/23/2026 1146685827 CMS
Celltrion USA Inc. $127.40 05/08/2024 Food and Beverage Undisputed 01/23/2026 1075852747 CMS
Celltrion USA Inc. $17.96 06/03/2024 Education Undisputed 01/23/2026 1075852749 CMS
CSL Behring $20.00 01/31/2024 Education Undisputed 01/23/2026 1134634359 CMS
Daiichi Sankyo Inc. $19.46 04/01/2024 Food and Beverage Undisputed 01/23/2026 1089435948 CMS
GENZYME CORPORATION $22.77 01/23/2024 Food and Beverage Undisputed 01/23/2026 1139970857 CMS
GENZYME CORPORATION $27.81 08/09/2024 Food and Beverage Undisputed 01/23/2026 1139970909 CMS
GENZYME CORPORATION $23.44 09/10/2024 Food and Beverage Undisputed 01/23/2026 1139970941 CMS
Gilead Sciences, Inc. $24.98 10/15/2024 Food and Beverage Undisputed 01/23/2026 1133770969 CMS
Intercept Pharmaceuticals, Inc. $23.99 11/15/2024 Food and Beverage Undisputed 01/23/2026 1113630318 CMS
IRONWOOD PHARMACEUTICALS, INC $28.49 04/30/2024 Food and Beverage Undisputed 01/23/2026 1153732828 CMS
IRONWOOD PHARMACEUTICALS, INC $18.28 10/03/2024 Food and Beverage Undisputed 01/23/2026 1153759491 CMS
Janssen Biotech, Inc. $18.98 07/02/2024 Food and Beverage Undisputed 01/23/2026 1078689458 CMS
Janssen Biotech, Inc. $28.88 10/16/2024 Food and Beverage Undisputed 01/23/2026 1078687870 CMS
Janssen Biotech, Inc. $14.35 11/21/2024 Food and Beverage Undisputed 01/23/2026 1078688673 CMS
Lucid Diagnostics Inc. $68.88 02/29/2024 Food and Beverage Undisputed 01/23/2026 1152301445 CMS
Organon Llc $23.23 09/26/2024 Food and Beverage Undisputed 01/23/2026 1136227343 CMS
PFIZER INC. $9.65 01/09/2024 Food and Beverage Undisputed 01/23/2026 1131269349 CMS
PFIZER INC. $27.49 06/24/2024 Food and Beverage Undisputed 01/23/2026 1131696005 CMS
PFIZER INC. $9.72 07/18/2024 Food and Beverage Undisputed 01/23/2026 1130935590 CMS
PFIZER INC. $28.80 09/09/2024 Food and Beverage Undisputed 01/23/2026 1131992593 CMS
PFIZER INC. $29.81 10/10/2024 Food and Beverage Undisputed 01/23/2026 1130880314 CMS
PFIZER INC. $28.11 11/14/2024 Food and Beverage Undisputed 01/23/2026 1131153514 CMS
PFIZER INC. $25.00 12/17/2024 Food and Beverage Undisputed 01/23/2026 1131436163 CMS
Phathom Pharmaceuticals, Inc. $22.61 03/26/2024 Food and Beverage Undisputed 01/23/2026 1151074912 CMS
Phathom Pharmaceuticals, Inc. $16.53 04/29/2024 Food and Beverage Undisputed 01/23/2026 1151074914 CMS
Regeneron Healthcare Solutions, Inc. $19.50 05/20/2024 Food and Beverage Undisputed 01/23/2026 1114074005 CMS
Regeneron Healthcare Solutions, Inc. $17.35 08/15/2024 Food and Beverage Undisputed 01/23/2026 1114074007 CMS
Regeneron Healthcare Solutions, Inc. $15.96 09/20/2024 Food and Beverage Undisputed 01/23/2026 1114074009 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $19.69 06/12/2024 Food and Beverage Undisputed 01/23/2026 1153541366 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $22.13 06/12/2024 Food and Beverage Undisputed 01/23/2026 1153581015 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $22.82 10/23/2024 Food and Beverage Undisputed 01/23/2026 1153750377 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.64 11/13/2024 Food and Beverage Undisputed 01/23/2026 1153487903 CMS
STERIS CORPORATION $32.71 12/16/2024 Food and Beverage Undisputed 01/23/2026 1149633323 CMS
Takeda Pharmaceuticals U.S.A., Inc. $1,863.00 02/21/2024 Consulting Fee Undisputed 01/23/2026 1137582873 CMS
Takeda Pharmaceuticals U.S.A., Inc. $33.72 07/16/2024 Food and Beverage Undisputed 01/23/2026 1137582876 CMS
Takeda Pharmaceuticals U.S.A., Inc. $1.39 08/28/2024 Food and Beverage Undisputed 01/23/2026 1137582880 CMS
Takeda Pharmaceuticals U.S.A., Inc. $28.50 08/28/2024 Food and Beverage Undisputed 01/23/2026 1137582884 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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