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

WILLIAM B CALHOUN

Allopathic & Osteopathic Physicians Internal Medicine Cardiovascular Disease

NPI
1932219177
CMS profile
133485
Location
TUPELO, MS

General Payments · PY2018–2024

$3,424.50

  • Reported across 193 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$496.53

23 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 $496.53 23

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $466.11 30
PY2019 $556.18 36
PY2020 $212.55 9
PY2021 $454.69 19
PY2022 $737.35 44
PY2023 $501.09 32
PY2024 $496.53 23

Payment records · PY2024 (23)

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
ABIOMED $32.70 06/20/2024 Food and Beverage Undisputed 01/23/2026 1142291901 CMS
Alnylam Pharmaceuticals Inc. $17.43 02/09/2024 Food and Beverage Undisputed 01/23/2026 1125824807 CMS
Alnylam Pharmaceuticals Inc. $19.99 07/11/2024 Food and Beverage Undisputed 01/23/2026 1125824883 CMS
Alnylam Pharmaceuticals Inc. $19.95 09/16/2024 Food and Beverage Undisputed 01/23/2026 1125824903 CMS
Alnylam Pharmaceuticals Inc. $19.95 10/10/2024 Food and Beverage Undisputed 01/23/2026 1125824919 CMS
Amgen Inc. $13.61 02/15/2024 Food and Beverage Undisputed 01/23/2026 1115476536 CMS
Amgen Inc. $16.63 04/22/2024 Food and Beverage Undisputed 01/23/2026 1115476543 CMS
Amgen Inc. $14.18 07/29/2024 Food and Beverage Undisputed 01/23/2026 1115476550 CMS
AstraZeneca Pharmaceuticals LP $60.38 01/23/2024 Food and Beverage Undisputed 01/23/2026 1104749438 CMS
AstraZeneca Pharmaceuticals LP $15.17 02/02/2024 Food and Beverage Undisputed 01/23/2026 1105233158 CMS
AstraZeneca Pharmaceuticals LP $21.87 10/04/2024 Food and Beverage Undisputed 01/23/2026 1105429196 CMS
Boston Scientific Corporation $23.48 07/26/2024 Food and Beverage Undisputed 01/23/2026 1092477601 CMS
Daiichi Sankyo Inc. $24.04 01/26/2024 Food and Beverage Undisputed 01/23/2026 1089405340 CMS
Daxor Corporation $41.15 05/09/2024 Food and Beverage Undisputed 01/23/2026 1136816180 CMS
Lexicon Pharmaceuticals, Inc. $14.94 04/05/2024 Food and Beverage Undisputed 01/23/2026 1081713416 CMS
Merck Sharp & Dohme LLC $18.04 03/08/2024 Food and Beverage Undisputed 01/23/2026 1141756396 CMS
Novartis Pharmaceuticals Corporation $16.67 03/12/2024 Food and Beverage Undisputed 01/23/2026 1086732321 CMS
Novartis Pharmaceuticals Corporation $19.99 06/17/2024 Food and Beverage Undisputed 01/23/2026 1086732327 CMS
Novartis Pharmaceuticals Corporation $15.24 08/27/2024 Food and Beverage Undisputed 01/23/2026 1086732331 CMS
Novo Nordisk Inc $20.77 08/09/2024 Food and Beverage Undisputed 01/23/2026 1096771210 CMS
Nuwellis, Inc. $19.92 04/17/2024 Food and Beverage Undisputed 01/23/2026 1092230212 CMS
PFIZER INC. $14.38 07/10/2024 Food and Beverage Undisputed 01/23/2026 1131738893 CMS
PFIZER INC. $16.05 10/22/2024 Food and Beverage Undisputed 01/23/2026 1132122820 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.