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 G MESSENGER

Allopathic & Osteopathic Physicians Dermatology

NPI
1851340012
CMS profile
310467
Location
LANSING, MI

General Payments · PY2018–2024

$2,877.60

  • Reported across 171 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$447.98

17 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 $283.04 15
Education $164.94 2

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $245.75 11
PY2019 $563.88 26
PY2020 $43.98 3
PY2021 $590.66 48
PY2022 $562.42 41
PY2023 $422.93 25
PY2024 $447.98 17

Payment records · PY2024 (17)

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
E.R. Squibb & Sons, L.L.C. $16.35 01/22/2024 Food and Beverage Undisputed 01/23/2026 1101543303 CMS
E.R. Squibb & Sons, L.L.C. $13.94 03/19/2024 Food and Beverage Undisputed 01/23/2026 1101543314 CMS
E.R. Squibb & Sons, L.L.C. $14.60 04/24/2024 Food and Beverage Undisputed 01/23/2026 1101543352 CMS
GENZYME CORPORATION $16.09 10/24/2024 Food and Beverage Undisputed 01/23/2026 1139583184 CMS
Janssen Biotech, Inc. $12.29 02/06/2024 Food and Beverage Undisputed 01/23/2026 1078755174 CMS
Janssen Biotech, Inc. $16.77 03/06/2024 Food and Beverage Undisputed 01/23/2026 1078754359 CMS
Janssen Biotech, Inc. $26.32 04/03/2024 Food and Beverage Undisputed 01/23/2026 1078752105 CMS
Janssen Biotech, Inc. $64.95 04/03/2024 Education Undisputed 01/23/2026 1078753923 CMS
Janssen Biotech, Inc. $99.99 11/13/2024 Education Undisputed 01/23/2026 1078752900 CMS
Novartis Pharmaceuticals Corporation $13.92 02/19/2024 Food and Beverage Undisputed 01/23/2026 1087022676 CMS
PFIZER INC. $29.73 05/28/2024 Food and Beverage Undisputed 01/23/2026 1131442909 CMS
Regeneron Healthcare Solutions, Inc. $49.73 03/04/2024 Food and Beverage Undisputed 01/23/2026 1114114427 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $14.18 04/30/2024 Food and Beverage Undisputed 01/23/2026 1152151827 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $14.04 05/21/2024 Food and Beverage Undisputed 01/23/2026 1152151829 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $13.17 06/19/2024 Food and Beverage Undisputed 01/23/2026 1152151831 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $14.94 09/04/2024 Food and Beverage Undisputed 01/23/2026 1152151833 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $16.97 10/29/2024 Food and Beverage Undisputed 01/23/2026 1152151835 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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