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

STEPHEN C HAMMACK

Allopathic & Osteopathic Physicians Family Medicine

NPI
1639396393
CMS profile
347116
Location
FLOWOOD, MS

General Payments · PY2018–2024

$7,286.76

  • Reported across 543 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,385.38

73 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 $1,385.38 73

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,013.34 102
PY2019 $1,028.44 105
PY2020 $1,000.55 76
PY2021 $819.43 65
PY2022 $760.29 52
PY2023 $1,279.33 70
PY2024 $1,385.38 73

Payment records · PY2024 (73)

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. $13.72 01/04/2024 Food and Beverage Undisputed 01/23/2026 1103870221 CMS
ABBVIE INC. $4.73 01/30/2024 Food and Beverage Undisputed 01/23/2026 1103870223 CMS
ABBVIE INC. $13.91 02/09/2024 Food and Beverage Undisputed 01/23/2026 1103870225 CMS
ABBVIE INC. $28.50 02/20/2024 Food and Beverage Undisputed 01/23/2026 1103870227 CMS
ABBVIE INC. $18.04 03/12/2024 Food and Beverage Undisputed 01/23/2026 1103870229 CMS
ABBVIE INC. $28.08 03/19/2024 Food and Beverage Undisputed 01/23/2026 1103870231 CMS
ABBVIE INC. $18.28 04/02/2024 Food and Beverage Undisputed 01/23/2026 1103870233 CMS
ABBVIE INC. $13.72 04/10/2024 Food and Beverage Undisputed 01/23/2026 1103870235 CMS
ABBVIE INC. $13.08 05/01/2024 Food and Beverage Undisputed 01/23/2026 1103870237 CMS
ABBVIE INC. $15.04 06/11/2024 Food and Beverage Undisputed 01/23/2026 1103870239 CMS
ABBVIE INC. $19.58 06/26/2024 Food and Beverage Undisputed 01/23/2026 1103870241 CMS
ABBVIE INC. $17.02 06/27/2024 Food and Beverage Undisputed 01/23/2026 1103870243 CMS
ABBVIE INC. $11.83 07/17/2024 Food and Beverage Undisputed 01/23/2026 1103870245 CMS
ABBVIE INC. $15.85 08/06/2024 Food and Beverage Undisputed 01/23/2026 1103870247 CMS
ABBVIE INC. $14.39 08/12/2024 Food and Beverage Undisputed 01/23/2026 1103870249 CMS
ABBVIE INC. $16.34 08/13/2024 Food and Beverage Undisputed 01/23/2026 1103870251 CMS
ABBVIE INC. $27.22 09/16/2024 Food and Beverage Undisputed 01/23/2026 1103870253 CMS
ABBVIE INC. $23.97 10/04/2024 Food and Beverage Undisputed 01/23/2026 1103870255 CMS
ABBVIE INC. $9.68 10/22/2024 Food and Beverage Undisputed 01/23/2026 1103870257 CMS
ABBVIE INC. $16.57 11/05/2024 Food and Beverage Undisputed 01/23/2026 1103870259 CMS
ABBVIE INC. $11.01 11/06/2024 Food and Beverage Undisputed 01/23/2026 1103870261 CMS
AstraZeneca Pharmaceuticals LP $14.72 02/28/2024 Food and Beverage Undisputed 01/23/2026 1105676741 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $23.12 01/24/2024 Food and Beverage Undisputed 01/23/2026 1118090934 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $14.05 08/02/2024 Food and Beverage Undisputed 01/23/2026 1118090930 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.40 11/11/2024 Food and Beverage Undisputed 01/23/2026 1118090932 CMS
Exact Sciences Corporation $14.99 06/19/2024 Food and Beverage Undisputed 01/23/2026 1114690929 CMS
GlaxoSmithKline, LLC. $15.77 01/12/2024 Food and Beverage Undisputed 01/23/2026 1115841543 CMS
GlaxoSmithKline, LLC. $15.77 02/16/2024 Food and Beverage Undisputed 01/23/2026 1116665971 CMS
GlaxoSmithKline, LLC. $13.39 07/31/2024 Food and Beverage Undisputed 01/23/2026 1116314571 CMS
GlaxoSmithKline, LLC. $15.20 11/04/2024 Food and Beverage Undisputed 01/23/2026 1116454825 CMS
Inari Medical, Inc. $20.59 05/16/2024 Food and Beverage Undisputed 01/23/2026 1140103238 CMS
Inspire Medical Systems, Inc. $121.71 02/07/2024 Food and Beverage Undisputed 01/23/2026 1148058709 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $22.96 11/22/2024 Food and Beverage Undisputed 01/23/2026 1143238517 CMS
Lilly USA, LLC $16.55 02/07/2024 Food and Beverage Undisputed 01/23/2026 1135418305 CMS
Lilly USA, LLC $15.77 03/20/2024 Food and Beverage Undisputed 01/23/2026 1135418307 CMS
Lilly USA, LLC $14.99 05/07/2024 Food and Beverage Undisputed 01/23/2026 1135431185 CMS
Lilly USA, LLC $13.35 10/17/2024 Food and Beverage Undisputed 01/23/2026 1135432505 CMS
Lilly USA, LLC $13.41 11/12/2024 Food and Beverage Undisputed 01/23/2026 1135426304 CMS
Lundbeck LLC $21.11 01/05/2024 Food and Beverage Undisputed 01/23/2026 1145922652 CMS
Lundbeck LLC $20.65 03/05/2024 Food and Beverage Undisputed 01/23/2026 1145922654 CMS
Merck Sharp & Dohme LLC $28.52 08/30/2024 Food and Beverage Undisputed 01/23/2026 1141952741 CMS
Novartis Pharmaceuticals Corporation $18.35 02/22/2024 Food and Beverage Undisputed 01/23/2026 1086944183 CMS
Novo Nordisk Inc $12.08 01/04/2024 Food and Beverage Undisputed 01/23/2026 1097819911 CMS
Novo Nordisk Inc $18.36 02/08/2024 Food and Beverage Undisputed 01/23/2026 1097583773 CMS
Novo Nordisk Inc $13.24 03/04/2024 Food and Beverage Undisputed 01/23/2026 1096573734 CMS
Novo Nordisk Inc $16.70 03/25/2024 Food and Beverage Undisputed 01/23/2026 1097354950 CMS
Novo Nordisk Inc $15.60 04/26/2024 Food and Beverage Undisputed 01/23/2026 1097613996 CMS
Novo Nordisk Inc $14.98 05/22/2024 Food and Beverage Undisputed 01/23/2026 1097267079 CMS
Novo Nordisk Inc $12.10 06/17/2024 Food and Beverage Undisputed 01/23/2026 1096980418 CMS
Novo Nordisk Inc $13.76 08/23/2024 Food and Beverage Undisputed 01/23/2026 1096624282 CMS
Novo Nordisk Inc $12.51 09/23/2024 Food and Beverage Undisputed 01/23/2026 1097244013 CMS
Novo Nordisk Inc $12.86 10/02/2024 Food and Beverage Undisputed 01/23/2026 1096914264 CMS
Novo Nordisk Inc $16.88 10/30/2024 Food and Beverage Undisputed 01/23/2026 1096923536 CMS
Novo Nordisk Inc $18.44 11/14/2024 Food and Beverage Undisputed 01/23/2026 1096930360 CMS
Novo Nordisk Inc $18.35 12/03/2024 Food and Beverage Undisputed 01/23/2026 1097041017 CMS
PFIZER INC. $14.20 01/06/2024 Food and Beverage Undisputed 01/23/2026 1130945451 CMS
PFIZER INC. $21.00 01/18/2024 Food and Beverage Undisputed 01/23/2026 1130984471 CMS
PFIZER INC. $18.02 04/12/2024 Food and Beverage Undisputed 01/23/2026 1131371633 CMS
PFIZER INC. $20.83 04/16/2024 Food and Beverage Undisputed 01/23/2026 1131317715 CMS
PFIZER INC. $21.85 06/13/2024 Food and Beverage Undisputed 01/23/2026 1131620009 CMS
PFIZER INC. $24.80 08/29/2024 Food and Beverage Undisputed 01/23/2026 1131847271 CMS
PFIZER INC. $24.95 09/24/2024 Food and Beverage Undisputed 01/23/2026 1131955916 CMS
PFIZER INC. $25.00 10/24/2024 Food and Beverage Undisputed 01/23/2026 1132101481 CMS
PFIZER INC. $18.84 12/11/2024 Food and Beverage Undisputed 01/23/2026 1131258841 CMS
PFIZER INC. $25.00 12/12/2024 Food and Beverage Undisputed 01/23/2026 1131082618 CMS
Phathom Pharmaceuticals, Inc. $22.66 03/22/2024 Food and Beverage Undisputed 01/23/2026 1151069575 CMS
Phathom Pharmaceuticals, Inc. $25.78 05/07/2024 Food and Beverage Undisputed 01/23/2026 1151069577 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $15.12 03/19/2024 Food and Beverage Undisputed 01/23/2026 1153693134 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.74 06/06/2024 Food and Beverage Undisputed 01/23/2026 1153533806 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $15.94 08/07/2024 Food and Beverage Undisputed 01/23/2026 1153677064 CMS
SANOFI PASTEUR INC. $17.97 04/08/2024 Food and Beverage Undisputed 01/23/2026 1128745803 CMS
SANOFI PASTEUR INC. $20.45 09/19/2024 Food and Beverage Undisputed 01/23/2026 1128745813 CMS
Takeda Pharmaceuticals U.S.A., Inc. $16.44 11/13/2024 Food and Beverage Undisputed 01/23/2026 1137569485 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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