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

GREGORY LAM

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1861416596
CMS profile
357284
Location
CINCINNATI, OH

General Payments · PY2018–2024

$7,804.20

  • Reported across 310 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,715.96

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
Travel and Lodging $1,249.40 10
Food and Beverage $466.56 37

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,994.67 54
PY2019 $341.48 14
PY2020 $256.93 18
PY2021 $738.89 60
PY2022 $672.02 51
PY2023 $2,084.25 66
PY2024 $1,715.96 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. $1.75 01/10/2024 Food and Beverage Undisputed 01/23/2026 1104131378 CMS
ABBVIE INC. $19.22 01/11/2024 Food and Beverage Undisputed 01/23/2026 1104131380 CMS
ABBVIE INC. $2.17 01/11/2024 Food and Beverage Undisputed 01/23/2026 1104131382 CMS
ABBVIE INC. $15.94 01/17/2024 Food and Beverage Undisputed 01/23/2026 1104131384 CMS
ABBVIE INC. $13.67 01/24/2024 Food and Beverage Undisputed 01/23/2026 1104131386 CMS
ABBVIE INC. $1.56 02/06/2024 Food and Beverage Undisputed 01/23/2026 1104131388 CMS
ABBVIE INC. $4.67 02/06/2024 Food and Beverage Undisputed 01/23/2026 1104131390 CMS
ABBVIE INC. $1.08 02/06/2024 Food and Beverage Undisputed 01/23/2026 1104131392 CMS
ABBVIE INC. $15.47 03/06/2024 Food and Beverage Undisputed 01/23/2026 1104131394 CMS
ABBVIE INC. $19.76 04/23/2024 Food and Beverage Undisputed 01/23/2026 1104131396 CMS
ABBVIE INC. $1.74 05/31/2024 Food and Beverage Undisputed 01/23/2026 1104131398 CMS
ABBVIE INC. $1.97 05/31/2024 Food and Beverage Undisputed 01/23/2026 1104131400 CMS
ABBVIE INC. $1.31 05/31/2024 Food and Beverage Undisputed 01/23/2026 1104131402 CMS
ABBVIE INC. $2.89 06/01/2024 Food and Beverage Undisputed 01/23/2026 1104131404 CMS
ABBVIE INC. $30.60 06/08/2024 Food and Beverage Undisputed 01/23/2026 1104131406 CMS
ABBVIE INC. $21.26 09/04/2024 Food and Beverage Undisputed 01/23/2026 1104131408 CMS
ABBVIE INC. $16.34 09/17/2024 Food and Beverage Undisputed 01/23/2026 1104131410 CMS
ABBVIE INC. $14.07 12/12/2024 Food and Beverage Undisputed 01/23/2026 1104131412 CMS
Celgene Corporation $25.38 06/21/2024 Food and Beverage Undisputed 01/23/2026 1101117368 CMS
Celgene Corporation $27.61 08/28/2024 Food and Beverage Undisputed 01/23/2026 1101117372 CMS
Celgene Corporation $25.23 09/18/2024 Food and Beverage Undisputed 01/23/2026 1101117378 CMS
Cook Medical LLC $22.79 09/18/2024 Food and Beverage Undisputed 01/23/2026 1118334333 CMS
Janssen Biotech, Inc. $15.12 04/24/2024 Food and Beverage Undisputed 01/23/2026 1078490676 CMS
Lilly USA, LLC $16.46 02/02/2024 Food and Beverage Undisputed 01/23/2026 1134991572 CMS
Olympus Corporation of the Americas $35.00 07/30/2024 Travel and Lodging Undisputed 01/23/2026 1110432143 CMS
Olympus Corporation of the Americas $258.32 07/30/2024 Travel and Lodging Undisputed 01/23/2026 1110432145 CMS
Olympus Corporation of the Americas $2.16 09/04/2024 Food and Beverage Undisputed 01/23/2026 1110432135 CMS
Olympus Corporation of the Americas $2.87 09/04/2024 Food and Beverage Undisputed 01/23/2026 1110432137 CMS
Olympus Corporation of the Americas $0.17 09/05/2024 Food and Beverage Undisputed 01/23/2026 1110432131 CMS
Olympus Corporation of the Americas $0.23 09/05/2024 Food and Beverage Undisputed 01/23/2026 1110432133 CMS
Olympus Corporation of the Americas $22.21 09/13/2024 Travel and Lodging Undisputed 01/23/2026 1110432125 CMS
Olympus Corporation of the Americas $30.29 09/13/2024 Food and Beverage Undisputed 01/23/2026 1110432127 CMS
Olympus Corporation of the Americas $4.86 09/14/2024 Food and Beverage Undisputed 01/23/2026 1110432121 CMS
Olympus Corporation of the Americas $17.11 09/14/2024 Food and Beverage Undisputed 01/23/2026 1110432123 CMS
Olympus Corporation of the Americas $22.21 09/16/2024 Travel and Lodging Undisputed 01/23/2026 1110432115 CMS
Olympus Corporation of the Americas $22.21 09/16/2024 Travel and Lodging Undisputed 01/23/2026 1110432117 CMS
Olympus Corporation of the Americas $25.39 09/16/2024 Travel and Lodging Undisputed 01/23/2026 1110432119 CMS
Olympus Corporation of the Americas $332.34 10/08/2024 Travel and Lodging Undisputed 01/23/2026 1110432129 CMS
Olympus Corporation of the Americas $370.03 11/19/2024 Travel and Lodging Undisputed 01/23/2026 1110432139 CMS
Olympus Corporation of the Americas $35.00 11/19/2024 Travel and Lodging Undisputed 01/23/2026 1110432141 CMS
Olympus Corporation of the Americas $126.69 12/10/2024 Travel and Lodging Undisputed 01/23/2026 1110432113 CMS
Organon Llc $5.58 01/10/2024 Food and Beverage Undisputed 01/23/2026 1136245523 CMS
QOL Medical, LLC $22.42 08/07/2024 Food and Beverage Undisputed 01/23/2026 1147730982 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.09 01/11/2024 Food and Beverage Undisputed 01/23/2026 1153492609 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.13 01/31/2024 Food and Beverage Undisputed 01/23/2026 1153568398 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.27 06/19/2024 Food and Beverage Undisputed 01/23/2026 1153480772 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $13.32 07/31/2024 Food and Beverage Undisputed 01/23/2026 1153762511 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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