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

SONG ZANG

Allopathic & Osteopathic Physicians Internal Medicine Rheumatology

NPI
1821203233
CMS profile
355852
Location
FORT SMITH, AR

General Payments · PY2018–2024

$15,284.65

  • Reported across 936 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,468.17

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 $1,468.17 73

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,585.46 116
PY2019 $1,823.55 112
PY2020 $1,451.18 100
PY2021 $2,438.64 167
PY2022 $2,684.28 171
PY2023 $3,833.37 197
PY2024 $1,468.17 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. $18.76 01/11/2024 Food and Beverage Undisputed 01/23/2026 1106390318 CMS
ABBVIE INC. $9.73 01/24/2024 Food and Beverage Undisputed 01/23/2026 1106390320 CMS
ABBVIE INC. $30.91 02/23/2024 Food and Beverage Undisputed 01/23/2026 1106390322 CMS
ABBVIE INC. $15.68 03/08/2024 Food and Beverage Undisputed 01/23/2026 1106390324 CMS
ABBVIE INC. $16.94 03/14/2024 Food and Beverage Undisputed 01/23/2026 1106390326 CMS
ABBVIE INC. $18.92 03/21/2024 Food and Beverage Undisputed 01/23/2026 1106390328 CMS
ABBVIE INC. $9.73 04/04/2024 Food and Beverage Undisputed 01/23/2026 1106390330 CMS
ABBVIE INC. $18.21 04/11/2024 Food and Beverage Undisputed 01/23/2026 1106390332 CMS
ABBVIE INC. $20.74 07/17/2024 Food and Beverage Undisputed 01/23/2026 1106390334 CMS
ABBVIE INC. $5.08 07/30/2024 Food and Beverage Undisputed 01/23/2026 1106390336 CMS
ABBVIE INC. $8.14 08/20/2024 Food and Beverage Undisputed 01/23/2026 1106390338 CMS
Amgen Inc. $20.90 01/08/2024 Food and Beverage Undisputed 01/23/2026 1116222040 CMS
Amgen Inc. $23.20 01/17/2024 Food and Beverage Undisputed 01/23/2026 1116222078 CMS
Amgen Inc. $19.06 01/24/2024 Food and Beverage Undisputed 01/23/2026 1116222107 CMS
Amgen Inc. $8.74 01/31/2024 Food and Beverage Undisputed 01/23/2026 1116222045 CMS
Amgen Inc. $24.96 02/02/2024 Food and Beverage Undisputed 01/23/2026 1117725187 CMS
Amgen Inc. $21.06 02/06/2024 Food and Beverage Undisputed 01/23/2026 1116222123 CMS
Amgen Inc. $19.66 02/07/2024 Food and Beverage Undisputed 01/23/2026 1116222049 CMS
Amgen Inc. $17.31 02/19/2024 Food and Beverage Undisputed 01/23/2026 1116222112 CMS
Amgen Inc. $28.92 02/21/2024 Food and Beverage Undisputed 01/23/2026 1116222083 CMS
Amgen Inc. $27.22 03/11/2024 Food and Beverage Undisputed 01/23/2026 1116222128 CMS
Amgen Inc. $23.95 03/12/2024 Food and Beverage Undisputed 01/23/2026 1116222054 CMS
Amgen Inc. $22.26 03/20/2024 Food and Beverage Undisputed 01/23/2026 1117725185 CMS
Amgen Inc. $4.64 04/02/2024 Food and Beverage Undisputed 01/23/2026 1116222116 CMS
Amgen Inc. $24.84 04/09/2024 Food and Beverage Undisputed 01/23/2026 1116222057 CMS
Amgen Inc. $26.09 04/15/2024 Food and Beverage Undisputed 01/23/2026 1116222132 CMS
Amgen Inc. $18.56 04/17/2024 Food and Beverage Undisputed 01/23/2026 1116222120 CMS
Amgen Inc. $26.71 04/24/2024 Food and Beverage Undisputed 01/23/2026 1116222087 CMS
Amgen Inc. $22.51 08/06/2024 Food and Beverage Undisputed 01/23/2026 1116222061 CMS
Amgen Inc. $23.98 08/08/2024 Food and Beverage Undisputed 01/23/2026 1116222093 CMS
Amgen Inc. $15.83 09/10/2024 Food and Beverage Undisputed 01/23/2026 1116222098 CMS
Amgen Inc. $6.74 09/23/2024 Food and Beverage Undisputed 01/23/2026 1116222065 CMS
Amgen Inc. $11.49 10/01/2024 Food and Beverage Undisputed 01/23/2026 1116222069 CMS
Amgen Inc. $25.61 10/29/2024 Food and Beverage Undisputed 01/23/2026 1116222104 CMS
Amgen Inc. $17.85 11/18/2024 Food and Beverage Undisputed 01/23/2026 1116222073 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $14.85 01/19/2024 Food and Beverage Undisputed 01/23/2026 1118168290 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.22 02/16/2024 Food and Beverage Undisputed 01/23/2026 1118168292 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $19.43 03/08/2024 Food and Beverage Undisputed 01/23/2026 1118168294 CMS
Collegium Pharmaceutical, Inc. $20.43 10/03/2024 Food and Beverage Undisputed 01/23/2026 1135308235 CMS
CSL Behring $15.70 01/11/2024 Food and Beverage Undisputed 01/23/2026 1134602097 CMS
E.R. Squibb & Sons, L.L.C. $25.90 03/29/2024 Food and Beverage Undisputed 01/23/2026 1101562020 CMS
Fresenius Kabi USA, LLC $13.50 02/29/2024 Food and Beverage Undisputed 01/23/2026 1146951866 CMS
Fresenius Kabi USA, LLC $18.50 04/01/2024 Food and Beverage Undisputed 01/23/2026 1146951868 CMS
GlaxoSmithKline, LLC. $16.03 01/26/2024 Food and Beverage Undisputed 01/23/2026 1116688572 CMS
GlaxoSmithKline, LLC. $13.18 03/13/2024 Food and Beverage Undisputed 01/23/2026 1116497987 CMS
GlaxoSmithKline, LLC. $16.16 08/26/2024 Food and Beverage Undisputed 01/23/2026 1116332209 CMS
GlaxoSmithKline, LLC. $13.20 09/09/2024 Food and Beverage Undisputed 01/23/2026 1116490534 CMS
GlaxoSmithKline, LLC. $17.65 10/22/2024 Food and Beverage Undisputed 01/23/2026 1116724470 CMS
Janssen Biotech, Inc. $15.15 01/29/2024 Food and Beverage Undisputed 01/23/2026 1078268029 CMS
Janssen Biotech, Inc. $19.27 03/04/2024 Food and Beverage Undisputed 01/23/2026 1078268195 CMS
Janssen Biotech, Inc. $118.58 03/26/2024 Food and Beverage Undisputed 01/23/2026 1078268097 CMS
Janssen Biotech, Inc. $17.73 04/02/2024 Food and Beverage Undisputed 01/23/2026 1078268399 CMS
Janssen Biotech, Inc. $17.71 10/01/2024 Food and Beverage Undisputed 01/23/2026 1078267873 CMS
Kedrion Biopharma, Inc. $13.93 11/19/2024 Food and Beverage Undisputed 01/23/2026 1125861996 CMS
Lilly USA, LLC $19.75 02/23/2024 Food and Beverage Undisputed 01/23/2026 1135428318 CMS
Lilly USA, LLC $18.02 07/25/2024 Food and Beverage Undisputed 01/23/2026 1135412753 CMS
Mallinckrodt Hospital Products Inc. $29.30 02/13/2024 Food and Beverage Undisputed 01/23/2026 1145155915 CMS
Mallinckrodt Hospital Products Inc. $13.86 04/05/2024 Food and Beverage Undisputed 01/23/2026 1145155919 CMS
Mallinckrodt Hospital Products Inc. $19.96 04/10/2024 Food and Beverage Undisputed 01/23/2026 1145155923 CMS
Novartis Pharmaceuticals Corporation $16.20 01/09/2024 Food and Beverage Undisputed 01/23/2026 1087373490 CMS
Novartis Pharmaceuticals Corporation $13.77 02/13/2024 Food and Beverage Undisputed 01/23/2026 1087373486 CMS
Novartis Pharmaceuticals Corporation $13.90 03/28/2024 Food and Beverage Undisputed 01/23/2026 1087373488 CMS
Novartis Pharmaceuticals Corporation $21.79 07/11/2024 Food and Beverage Undisputed 01/23/2026 1087373496 CMS
Novartis Pharmaceuticals Corporation $18.55 09/12/2024 Food and Beverage Undisputed 01/23/2026 1087373498 CMS
PFIZER INC. $28.44 02/01/2024 Food and Beverage Undisputed 01/23/2026 1131019484 CMS
PFIZER INC. $20.79 03/05/2024 Food and Beverage Undisputed 01/23/2026 1131235555 CMS
PFIZER INC. $23.65 03/18/2024 Food and Beverage Undisputed 01/23/2026 1131250879 CMS
PFIZER INC. $25.20 04/11/2024 Food and Beverage Undisputed 01/23/2026 1131380489 CMS
PFIZER INC. $20.21 12/03/2024 Food and Beverage Undisputed 01/23/2026 1131012649 CMS
Teva Pharmaceuticals USA, Inc. $13.72 12/10/2024 Food and Beverage Undisputed 01/23/2026 1151708763 CMS
UCB, Inc. $18.68 01/13/2024 Food and Beverage Undisputed 01/23/2026 1143139590 CMS
UCB, Inc. $26.83 02/09/2024 Food and Beverage Undisputed 01/23/2026 1143139594 CMS
UCB, Inc. $25.50 03/26/2024 Food and Beverage Undisputed 01/23/2026 1143139598 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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