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

JOHN P GREVING

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1043388036
CMS profile
421581
Location
HANNIBAL, MO

General Payments · PY2018–2024

$1,766.57

  • Reported across 111 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$381.04

24 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 $381.04 24

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $466.93 30
PY2019 $256.92 17
PY2021 $131.70 8
PY2022 $219.08 14
PY2023 $310.90 18
PY2024 $381.04 24

Payment records · PY2024 (24)

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

Program year 2024 20182019202120222023 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
Amgen Inc. $19.48 01/02/2024 Food and Beverage Undisputed 01/23/2026 1117266421 CMS
Amgen Inc. $15.71 05/17/2024 Food and Beverage Undisputed 01/23/2026 1111589516 CMS
Amgen Inc. $13.46 06/18/2024 Food and Beverage Undisputed 01/23/2026 1111589518 CMS
Amgen Inc. $14.43 10/18/2024 Food and Beverage Undisputed 01/23/2026 1111589520 CMS
Ardelyx, Inc. $17.04 06/11/2024 Food and Beverage Undisputed 01/23/2026 1146683011 CMS
AstraZeneca Pharmaceuticals LP $14.31 02/27/2024 Food and Beverage Undisputed 01/23/2026 1104429265 CMS
AstraZeneca Pharmaceuticals LP $13.42 04/09/2024 Food and Beverage Undisputed 01/23/2026 1105645772 CMS
AstraZeneca Pharmaceuticals LP $13.51 10/08/2024 Food and Beverage Undisputed 01/23/2026 1104199403 CMS
Dexcom, Inc. $18.41 05/13/2024 Food and Beverage Undisputed 01/23/2026 1153309579 CMS
GlaxoSmithKline, LLC. $14.31 10/01/2024 Food and Beverage Undisputed 01/23/2026 1116483487 CMS
Lilly USA, LLC $14.21 04/02/2024 Food and Beverage Undisputed 01/23/2026 1135070451 CMS
Lilly USA, LLC $25.69 05/05/2024 Food and Beverage Undisputed 01/23/2026 1135058428 CMS
Merck Sharp & Dohme LLC $21.05 09/03/2024 Food and Beverage Undisputed 01/23/2026 1141573581 CMS
Novartis Pharmaceuticals Corporation $13.85 07/08/2024 Food and Beverage Undisputed 01/23/2026 1086830147 CMS
Novartis Pharmaceuticals Corporation $16.20 12/03/2024 Food and Beverage Undisputed 01/23/2026 1086830163 CMS
Novo Nordisk Inc $13.40 03/05/2024 Food and Beverage Undisputed 01/23/2026 1096595882 CMS
Otsuka America Pharmaceutical, Inc. $13.83 04/08/2024 Food and Beverage Undisputed 01/23/2026 1118901264 CMS
Otsuka America Pharmaceutical, Inc. $14.61 05/30/2024 Food and Beverage Undisputed 01/23/2026 1118901266 CMS
PFIZER INC. $17.13 06/24/2024 Food and Beverage Undisputed 01/23/2026 1131675725 CMS
Resmed Corp $17.13 10/11/2024 Food and Beverage Undisputed 01/23/2026 1140205497 CMS
Xeris Pharmaceuticals, Inc. $13.40 02/13/2024 Food and Beverage Undisputed 01/23/2026 1144599268 CMS
Xeris Pharmaceuticals, Inc. $14.16 03/29/2024 Food and Beverage Undisputed 01/23/2026 1144599270 CMS
Xeris Pharmaceuticals, Inc. $17.85 06/26/2024 Food and Beverage Undisputed 01/23/2026 1144599272 CMS
Xeris Pharmaceuticals, Inc. $14.45 10/15/2024 Food and Beverage Undisputed 01/23/2026 1144599274 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, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , 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.