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 D HAMMOCK

Allopathic & Osteopathic Physicians Internal Medicine Clinical Cardiac Electrophysiology

NPI
1912082975
CMS profile
313807
Location
QUINCY, IL

General Payments · PY2018–2024

$18,735.97

  • Reported across 320 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$400.52

39 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 $400.52 39

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Abbott Laboratories $199.08 9
Biosense Webster, Inc. $135.73 28
ABIOMED $51.42 1
SANOFI-AVENTIS U.S. LLC $14.29 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $8,253.59 82
PY2019 $4,923.73 61
PY2020 $1,118.26 34
PY2021 $472.74 36
PY2022 $798.31 13
PY2023 $2,768.82 55
PY2024 $400.52 39

Payment records · PY2024 (39)

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
Abbott Laboratories $21.13 07/23/2024 Food and Beverage Undisputed 01/23/2026 1125333094 CMS
Abbott Laboratories $13.78 07/31/2024 Food and Beverage Undisputed 01/23/2026 1125333096 CMS
Abbott Laboratories $17.69 08/13/2024 Food and Beverage Undisputed 01/23/2026 1125333108 CMS
Abbott Laboratories $3.91 08/13/2024 Food and Beverage Undisputed 01/23/2026 1125333110 CMS
Abbott Laboratories $14.47 08/26/2024 Food and Beverage Undisputed 01/23/2026 1125333098 CMS
Abbott Laboratories $17.56 10/04/2024 Food and Beverage Undisputed 01/23/2026 1125333100 CMS
Abbott Laboratories $17.79 10/15/2024 Food and Beverage Undisputed 01/23/2026 1125333102 CMS
Abbott Laboratories $22.02 11/04/2024 Food and Beverage Undisputed 01/23/2026 1125333104 CMS
Abbott Laboratories $70.73 11/25/2024 Food and Beverage Undisputed 01/23/2026 1125333106 CMS
ABIOMED $51.42 09/27/2024 Food and Beverage Undisputed 01/23/2026 1142297943 CMS
Biosense Webster, Inc. $4.56 01/25/2024 Food and Beverage Undisputed 01/23/2026 1077680510 CMS
Biosense Webster, Inc. $5.36 01/29/2024 Food and Beverage Undisputed 01/23/2026 1077680506 CMS
Biosense Webster, Inc. $4.95 02/06/2024 Food and Beverage Undisputed 01/23/2026 1077680436 CMS
Biosense Webster, Inc. $4.08 02/20/2024 Food and Beverage Undisputed 01/23/2026 1077680481 CMS
Biosense Webster, Inc. $5.04 02/27/2024 Food and Beverage Undisputed 01/23/2026 1077680538 CMS
Biosense Webster, Inc. $8.33 03/11/2024 Food and Beverage Undisputed 01/23/2026 1077680432 CMS
Biosense Webster, Inc. $3.58 03/11/2024 Food and Beverage Undisputed 01/23/2026 1077680485 CMS
Biosense Webster, Inc. $4.61 04/02/2024 Food and Beverage Undisputed 01/23/2026 1077680477 CMS
Biosense Webster, Inc. $5.72 04/08/2024 Food and Beverage Undisputed 01/23/2026 1077680444 CMS
Biosense Webster, Inc. $6.86 04/25/2024 Food and Beverage Undisputed 01/23/2026 1077680502 CMS
Biosense Webster, Inc. $4.83 04/30/2024 Food and Beverage Undisputed 01/23/2026 1077680534 CMS
Biosense Webster, Inc. $7.45 05/13/2024 Food and Beverage Undisputed 01/23/2026 1077680514 CMS
Biosense Webster, Inc. $3.40 06/03/2024 Food and Beverage Undisputed 01/23/2026 1077680460 CMS
Biosense Webster, Inc. $3.22 06/10/2024 Food and Beverage Undisputed 01/23/2026 1077680452 CMS
Biosense Webster, Inc. $5.63 07/11/2024 Food and Beverage Undisputed 01/23/2026 1077680518 CMS
Biosense Webster, Inc. $2.71 07/31/2024 Food and Beverage Undisputed 01/23/2026 1077680468 CMS
Biosense Webster, Inc. $2.32 08/07/2024 Food and Beverage Undisputed 01/23/2026 1077680497 CMS
Biosense Webster, Inc. $5.33 08/13/2024 Food and Beverage Undisputed 01/23/2026 1077680448 CMS
Biosense Webster, Inc. $6.67 08/21/2024 Food and Beverage Undisputed 01/23/2026 1077680456 CMS
Biosense Webster, Inc. $4.33 09/11/2024 Food and Beverage Undisputed 01/23/2026 1077680522 CMS
Biosense Webster, Inc. $7.86 09/24/2024 Food and Beverage Undisputed 01/23/2026 1077680489 CMS
Biosense Webster, Inc. $4.81 09/30/2024 Food and Beverage Undisputed 01/23/2026 1077680546 CMS
Biosense Webster, Inc. $3.62 10/16/2024 Food and Beverage Undisputed 01/23/2026 1077680473 CMS
Biosense Webster, Inc. $3.42 10/21/2024 Food and Beverage Undisputed 01/23/2026 1077680493 CMS
Biosense Webster, Inc. $3.30 11/14/2024 Food and Beverage Undisputed 01/23/2026 1077680464 CMS
Biosense Webster, Inc. $3.88 11/27/2024 Food and Beverage Undisputed 01/23/2026 1077680526 CMS
Biosense Webster, Inc. $4.12 12/10/2024 Food and Beverage Undisputed 01/23/2026 1077680542 CMS
Biosense Webster, Inc. $5.74 12/17/2024 Food and Beverage Undisputed 01/23/2026 1077680530 CMS
SANOFI-AVENTIS U.S. LLC $14.29 03/14/2024 Food and Beverage Undisputed 01/23/2026 1139722430 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

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.