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

LIN H CHEN

Allopathic & Osteopathic Physicians Internal Medicine Infectious Disease

NPI
1285636654
CMS profile
1026770
Location
CAMBRIDGE, MA

General Payments · PY2019–2024

$69,376.64

  • Reported across 69 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$20,740.57

18 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
Valneva USA, Inc. $6,313.26 9
Takeda Pharmaceuticals U.S.A., Inc. $5,100.00 1
Bavarian Nordic A/S $4,035.48 3
Merck Sharp & Dohme Corporation $3,891.83 4
Valneva Austria GMBH $1,400.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $2,691.88 4
PY2020 $3,000.00 3
PY2021 $18,427.71 14
PY2022 $12,082.34 12
PY2023 $12,434.14 18
PY2024 $20,740.57 18

Payment records · PY2024 (18)

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

Program year 2024 20192020202120222023 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
Bavarian Nordic A/S $340.01 02/05/2024 Education Undisputed 01/23/2026 1119662451 CMS
Bavarian Nordic A/S $167.47 03/13/2024 Education Undisputed 01/23/2026 1119662449 CMS
Bavarian Nordic A/S $3,528.00 06/01/2024 Consulting Fee Undisputed 01/23/2026 1119662447 CMS
Merck Sharp & Dohme LLC $372.89 05/21/2024 Travel and Lodging Undisputed 01/23/2026 1141656567 CMS
Merck Sharp & Dohme LLC $113.94 05/21/2024 Travel and Lodging Undisputed 01/23/2026 1141656680 CMS
Merck Sharp & Dohme LLC $150.00 06/03/2024 Travel and Lodging Undisputed 01/23/2026 1141812733 CMS
Merck Sharp & Dohme LLC $3,255.00 06/03/2024 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 1141812735 CMS
Takeda Pharmaceuticals U.S.A., Inc. $5,100.00 04/12/2024 Consulting Fee Undisputed 01/23/2026 1137509235 CMS
Valneva Austria GMBH $1,400.00 01/11/2024 Consulting Fee Undisputed 01/23/2026 1121128234 CMS
Valneva Usa, Inc. $359.91 01/11/2024 Consulting Fee Undisputed 01/23/2026 1121128250 CMS
Valneva Usa, Inc. $359.91 01/11/2024 Consulting Fee Undisputed 01/23/2026 1121128252 CMS
Valneva Usa, Inc. $539.86 01/11/2024 Consulting Fee Undisputed 01/23/2026 1121128254 CMS
Valneva Usa, Inc. $1,013.64 04/18/2024 Consulting Fee Undisputed 01/23/2026 1121128262 CMS
Valneva Usa, Inc. $737.19 04/18/2024 Consulting Fee Undisputed 01/23/2026 1121128264 CMS
Valneva Usa, Inc. $467.07 07/11/2024 Consulting Fee Undisputed 01/23/2026 1121128266 CMS
Valneva Usa, Inc. $556.12 08/21/2024 Consulting Fee Undisputed 01/23/2026 1121128258 CMS
Valneva Usa, Inc. $1,204.93 08/21/2024 Consulting Fee Undisputed 01/23/2026 1121128260 CMS
Valneva Usa, Inc. $1,074.63 08/21/2024 Consulting Fee Undisputed 01/23/2026 1121128268 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
2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.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.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.