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

DAVID CHIA-YAU LAM

Allopathic & Osteopathic Physicians Anesthesiology

NPI
1821588344
CMS profile
11454061
Location
WORCESTER, MA

General Payments · PY2023–2024

$14,722.42

  • Reported across 131 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$7,578.61

79 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
Travel and Lodging $4,054.49 15
Food and Beverage $3,524.12 64

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Medtronic, Inc. $3,107.96 37
Abbott Laboratories $1,940.37 7
BOSTON SCIENTIFIC CORPORATION $1,228.10 11
Saluda Medical Americas, Inc. $672.99 8
Vertos Medical, Inc. $382.74 6
Spinal Simplicity, LLC $173.17 7
Stryker Corporation $73.28 3

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2023 $7,143.81 52
PY2024 $7,578.61 79

Payment records · PY2024 (79)

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

Program year 2024 2023 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
Abbott Laboratories $196.20 04/11/2024 Travel and Lodging Undisputed 01/23/2026 1125436411 CMS
Abbott Laboratories $59.50 04/27/2024 Food and Beverage Undisputed 01/23/2026 1125292176 CMS
Abbott Laboratories $726.86 05/03/2024 Travel and Lodging Undisputed 01/23/2026 1125436413 CMS
Abbott Laboratories $759.00 06/18/2024 Travel and Lodging Undisputed 01/23/2026 1125436409 CMS
Abbott Laboratories $9.02 06/18/2024 Travel and Lodging Undisputed 01/23/2026 1125436415 CMS
Abbott Laboratories $80.36 07/05/2024 Food and Beverage Undisputed 01/23/2026 1134594597 CMS
Abbott Laboratories $109.43 12/31/2024 Food and Beverage Undisputed 01/23/2026 1125292174 CMS
Boston Scientific Corporation $140.02 02/29/2024 Food and Beverage Undisputed 01/23/2026 1069140460 CMS
Boston Scientific Corporation $526.21 04/30/2024 Travel and Lodging Undisputed 01/23/2026 1069140462 CMS
Boston Scientific Corporation $29.03 05/17/2024 Food and Beverage Undisputed 01/23/2026 1092238332 CMS
Boston Scientific Corporation $138.88 05/17/2024 Food and Beverage Undisputed 01/23/2026 1092238340 CMS
Boston Scientific Corporation $18.38 05/18/2024 Food and Beverage Undisputed 01/23/2026 1092238330 CMS
Boston Scientific Corporation $49.64 05/18/2024 Food and Beverage Undisputed 01/23/2026 1092238336 CMS
Boston Scientific Corporation $134.05 05/18/2024 Food and Beverage Undisputed 01/23/2026 1092238338 CMS
Boston Scientific Corporation $140.16 08/05/2024 Food and Beverage Undisputed 01/23/2026 1092238342 CMS
Boston Scientific Corporation $11.22 09/05/2024 Food and Beverage Undisputed 01/23/2026 1092238328 CMS
Boston Scientific Corporation $29.97 11/13/2024 Food and Beverage Undisputed 01/23/2026 1092238334 CMS
Boston Scientific Corporation $10.54 11/21/2024 Food and Beverage Undisputed 01/23/2026 1092238326 CMS
Medtronic, Inc. $15.22 02/02/2024 Food and Beverage Undisputed 01/23/2026 1119504663 CMS
Medtronic, Inc. $22.12 02/02/2024 Food and Beverage Undisputed 01/23/2026 1119504665 CMS
Medtronic, Inc. $430.00 02/02/2024 Travel and Lodging Undisputed 01/23/2026 1119504667 CMS
Medtronic, Inc. $71.66 02/02/2024 Travel and Lodging Undisputed 01/23/2026 1119504669 CMS
Medtronic, Inc. $160.84 02/02/2024 Food and Beverage Undisputed 01/23/2026 1119504671 CMS
Medtronic, Inc. $40.73 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119504659 CMS
Medtronic, Inc. $18.26 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119504661 CMS
Medtronic, Inc. $51.79 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119504673 CMS
Medtronic, Inc. $30.86 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119504675 CMS
Medtronic, Inc. $19.84 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119504677 CMS
Medtronic, Inc. $70.53 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119504679 CMS
Medtronic, Inc. $5.15 04/12/2024 Food and Beverage Undisputed 01/23/2026 1119504685 CMS
Medtronic, Inc. $103.98 05/14/2024 Food and Beverage Undisputed 01/23/2026 1119504681 CMS
Medtronic, Inc. $162.15 06/12/2024 Food and Beverage Undisputed 01/23/2026 1119504683 CMS
Medtronic, Inc. $143.28 08/15/2024 Food and Beverage Undisputed 01/23/2026 1119504695 CMS
Medtronic, Inc. $30.94 08/15/2024 Food and Beverage Undisputed 01/23/2026 1119504697 CMS
Medtronic, Inc. $180.38 09/09/2024 Travel and Lodging Undisputed 01/23/2026 1119504687 CMS
Medtronic, Inc. $227.31 09/09/2024 Travel and Lodging Undisputed 01/23/2026 1119504689 CMS
Medtronic, Inc. $34.25 09/09/2024 Travel and Lodging Undisputed 01/23/2026 1119504691 CMS
Medtronic, Inc. $34.25 09/09/2024 Travel and Lodging Undisputed 01/23/2026 1119504693 CMS
Medtronic, Inc. $15.03 10/31/2024 Food and Beverage Undisputed 01/23/2026 1119504705 CMS
Medtronic, Inc. $25.13 11/01/2024 Food and Beverage Undisputed 01/23/2026 1119504703 CMS
Medtronic, Inc. $23.96 11/01/2024 Food and Beverage Undisputed 01/23/2026 1119504707 CMS
Medtronic, Inc. $27.75 11/01/2024 Food and Beverage Undisputed 01/23/2026 1119504709 CMS
Medtronic, Inc. $15.49 11/01/2024 Food and Beverage Undisputed 01/23/2026 1119504711 CMS
Medtronic, Inc. $129.94 11/01/2024 Food and Beverage Undisputed 01/23/2026 1119504713 CMS
Medtronic, Inc. $126.12 11/01/2024 Travel and Lodging Undisputed 01/23/2026 1119504725 CMS
Medtronic, Inc. $493.96 11/01/2024 Travel and Lodging Undisputed 01/23/2026 1119504727 CMS
Medtronic, Inc. $15.02 11/01/2024 Food and Beverage Undisputed 01/23/2026 1119504729 CMS
Medtronic, Inc. $53.01 11/01/2024 Food and Beverage Undisputed 01/23/2026 1119504731 CMS
Medtronic, Inc. $23.57 11/02/2024 Food and Beverage Undisputed 01/23/2026 1119504699 CMS
Medtronic, Inc. $30.61 11/02/2024 Food and Beverage Undisputed 01/23/2026 1119504701 CMS
Medtronic, Inc. $36.59 11/02/2024 Food and Beverage Undisputed 01/23/2026 1119504715 CMS
Medtronic, Inc. $34.43 11/02/2024 Food and Beverage Undisputed 01/23/2026 1119504717 CMS
Medtronic, Inc. $33.10 11/02/2024 Food and Beverage Undisputed 01/23/2026 1119504719 CMS
Medtronic, Inc. $98.67 11/02/2024 Food and Beverage Undisputed 01/23/2026 1119504721 CMS
Medtronic, Inc. $72.04 11/02/2024 Food and Beverage Undisputed 01/23/2026 1119504723 CMS
Saluda Medical Americas, Inc. $15.76 02/29/2024 Food and Beverage Undisputed 01/23/2026 1081872712 CMS
Saluda Medical Americas, Inc. $12.65 04/25/2024 Food and Beverage Undisputed 01/23/2026 1081876138 CMS
Saluda Medical Americas, Inc. $38.01 10/25/2024 Travel and Lodging Undisputed 01/23/2026 1140500523 CMS
Saluda Medical Americas, Inc. $28.54 10/26/2024 Food and Beverage Undisputed 01/23/2026 1093674268 CMS
Saluda Medical Americas, Inc. $200.31 10/26/2024 Food and Beverage Undisputed 01/23/2026 1093674534 CMS
Saluda Medical Americas, Inc. $201.26 10/26/2024 Travel and Lodging Undisputed 01/23/2026 1140500173 CMS
Saluda Medical Americas, Inc. $158.59 12/02/2024 Food and Beverage Undisputed 01/23/2026 1093674608 CMS
Saluda Medical Americas, Inc. $17.87 12/10/2024 Food and Beverage Undisputed 01/23/2026 1093674634 CMS
Spinal Simplicity, LLC $26.63 03/23/2024 Food and Beverage Undisputed 01/23/2026 1144042891 CMS
Spinal Simplicity, LLC $2.94 06/11/2024 Food and Beverage Undisputed 01/23/2026 1144042893 CMS
Spinal Simplicity, LLC $9.25 06/28/2024 Food and Beverage Undisputed 01/23/2026 1144042895 CMS
Spinal Simplicity, LLC $70.17 06/28/2024 Food and Beverage Undisputed 01/23/2026 1144042897 CMS
Spinal Simplicity, LLC $14.54 06/29/2024 Food and Beverage Undisputed 01/23/2026 1144042899 CMS
Spinal Simplicity, LLC $28.70 06/29/2024 Food and Beverage Undisputed 01/23/2026 1144042901 CMS
Spinal Simplicity, LLC $20.94 06/29/2024 Food and Beverage Undisputed 01/23/2026 1144042903 CMS
Stryker Corporation $25.79 04/17/2024 Food and Beverage Undisputed 01/23/2026 1119886599 CMS
Stryker Corporation $33.84 10/22/2024 Food and Beverage Undisputed 01/23/2026 1144313527 CMS
Stryker Corporation $13.65 11/21/2024 Food and Beverage Undisputed 01/23/2026 1144313529 CMS
Vertos Medical, Inc. $168.60 04/23/2024 Food and Beverage Undisputed 01/23/2026 1133352018 CMS
Vertos Medical, Inc. $18.03 08/06/2024 Food and Beverage Undisputed 01/23/2026 1133352024 CMS
Vertos Medical, Inc. $21.53 09/12/2024 Food and Beverage Undisputed 01/23/2026 1133352022 CMS
Vertos Medical, Inc. $149.12 09/13/2024 Food and Beverage Undisputed 01/23/2026 1133352020 CMS
Vertos Medical, Inc. $14.54 09/13/2024 Food and Beverage Undisputed 01/23/2026 1133352026 CMS
Vertos Medical, Inc. $10.92 09/13/2024 Food and Beverage Undisputed 01/23/2026 1133352028 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
2023, 2024
Source files
Dataset page · Bulk file · PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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