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

ZONG L TSAI

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1871675744
CMS profile
221208
Location
TORRANCE, CA

General Payments · PY2018–2024

$25,656.89

  • Reported across 1,217 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,442.59

163 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 $3,430.44 162
Education $12.15 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,876.81 140
PY2019 $3,636.98 165
PY2020 $3,792.59 192
PY2021 $4,239.24 201
PY2022 $4,492.28 213
PY2023 $3,176.40 143
PY2024 $3,442.59 163

Payment records · PY2024 (163)

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 $25.04 04/03/2024 Food and Beverage Undisputed 01/23/2026 1125315106 CMS
Abbott Laboratories $28.07 09/12/2024 Food and Beverage Undisputed 01/23/2026 1125315108 CMS
ABBVIE INC. $11.04 01/05/2024 Food and Beverage Undisputed 01/23/2026 1106248755 CMS
ABBVIE INC. $7.33 01/17/2024 Food and Beverage Undisputed 01/23/2026 1106248757 CMS
ABBVIE INC. $11.76 02/19/2024 Food and Beverage Undisputed 01/23/2026 1106248759 CMS
ABBVIE INC. $10.29 03/06/2024 Food and Beverage Undisputed 01/23/2026 1106248761 CMS
ABBVIE INC. $15.42 03/20/2024 Food and Beverage Undisputed 01/23/2026 1106248763 CMS
ABBVIE INC. $9.99 03/25/2024 Food and Beverage Undisputed 01/23/2026 1106248765 CMS
ABBVIE INC. $16.91 04/02/2024 Food and Beverage Undisputed 01/23/2026 1106248767 CMS
ABBVIE INC. $18.71 04/12/2024 Food and Beverage Undisputed 01/23/2026 1106248769 CMS
ABBVIE INC. $21.00 05/10/2024 Food and Beverage Undisputed 01/23/2026 1106248771 CMS
ABBVIE INC. $17.57 05/13/2024 Food and Beverage Undisputed 01/23/2026 1106248773 CMS
ABBVIE INC. $19.20 05/22/2024 Food and Beverage Undisputed 01/23/2026 1106248775 CMS
ABBVIE INC. $12.14 05/28/2024 Food and Beverage Undisputed 01/23/2026 1106248777 CMS
ABBVIE INC. $19.15 06/06/2024 Food and Beverage Undisputed 01/23/2026 1106248779 CMS
ABBVIE INC. $7.58 06/07/2024 Food and Beverage Undisputed 01/23/2026 1106248781 CMS
ABBVIE INC. $11.52 06/17/2024 Food and Beverage Undisputed 01/23/2026 1106248783 CMS
ABBVIE INC. $15.56 07/26/2024 Food and Beverage Undisputed 01/23/2026 1106248785 CMS
ABBVIE INC. $10.90 08/02/2024 Food and Beverage Undisputed 01/23/2026 1106248787 CMS
ABBVIE INC. $7.80 08/05/2024 Food and Beverage Undisputed 01/23/2026 1106248789 CMS
ABBVIE INC. $24.59 08/13/2024 Food and Beverage Undisputed 01/23/2026 1106248791 CMS
ABBVIE INC. $13.70 09/20/2024 Food and Beverage Undisputed 01/23/2026 1106248793 CMS
ABBVIE INC. $13.79 09/27/2024 Food and Beverage Undisputed 01/23/2026 1106248795 CMS
ABBVIE INC. $7.40 10/18/2024 Food and Beverage Undisputed 01/23/2026 1106248797 CMS
ABBVIE INC. $13.25 10/25/2024 Food and Beverage Undisputed 01/23/2026 1106248799 CMS
ABBVIE INC. $28.87 11/05/2024 Food and Beverage Undisputed 01/23/2026 1106248801 CMS
ABBVIE INC. $11.38 11/13/2024 Food and Beverage Undisputed 01/23/2026 1106248803 CMS
ABBVIE INC. $10.75 11/25/2024 Food and Beverage Undisputed 01/23/2026 1106248805 CMS
ABBVIE INC. $12.75 12/13/2024 Food and Beverage Undisputed 01/23/2026 1106248807 CMS
ABBVIE INC. $15.38 12/17/2024 Food and Beverage Undisputed 01/23/2026 1106248809 CMS
Alkermes, Inc. $30.00 02/14/2024 Food and Beverage Undisputed 01/23/2026 1120611439 CMS
Alkermes, Inc. $25.09 03/21/2024 Food and Beverage Undisputed 01/23/2026 1120611441 CMS
Alkermes, Inc. $30.21 05/15/2024 Food and Beverage Undisputed 01/23/2026 1120611443 CMS
Alkermes, Inc. $29.91 05/30/2024 Food and Beverage Undisputed 01/23/2026 1120611445 CMS
Alkermes, Inc. $29.93 06/19/2024 Food and Beverage Undisputed 01/23/2026 1120611447 CMS
Alkermes, Inc. $26.80 06/28/2024 Food and Beverage Undisputed 01/23/2026 1120611449 CMS
Alkermes, Inc. $25.95 07/17/2024 Food and Beverage Undisputed 01/23/2026 1120611451 CMS
Alkermes, Inc. $28.46 07/29/2024 Food and Beverage Undisputed 01/23/2026 1120611453 CMS
Alkermes, Inc. $28.96 08/09/2024 Food and Beverage Undisputed 01/23/2026 1120611455 CMS
Alkermes, Inc. $27.42 08/21/2024 Food and Beverage Undisputed 01/23/2026 1120611457 CMS
Alkermes, Inc. $28.58 09/20/2024 Food and Beverage Undisputed 01/23/2026 1120611459 CMS
Alkermes, Inc. $27.99 10/07/2024 Food and Beverage Undisputed 01/23/2026 1120611461 CMS
Alkermes, Inc. $17.77 10/31/2024 Food and Beverage Undisputed 01/23/2026 1120611463 CMS
Alkermes, Inc. $10.90 11/03/2024 Food and Beverage Undisputed 01/23/2026 1120611465 CMS
Alkermes, Inc. $26.51 11/08/2024 Food and Beverage Undisputed 01/23/2026 1120611467 CMS
Alkermes, Inc. $27.11 12/18/2024 Food and Beverage Undisputed 01/23/2026 1120611469 CMS
Amgen Inc. $21.75 01/09/2024 Food and Beverage Undisputed 01/23/2026 1117704882 CMS
Amgen Inc. $24.28 01/24/2024 Food and Beverage Undisputed 01/23/2026 1117704884 CMS
Amgen Inc. $29.33 02/08/2024 Food and Beverage Undisputed 01/23/2026 1117704886 CMS
Amgen Inc. $27.10 02/28/2024 Food and Beverage Undisputed 01/23/2026 1117704888 CMS
Amgen Inc. $10.10 03/04/2024 Food and Beverage Undisputed 01/23/2026 1116185793 CMS
Amgen Inc. $18.88 03/13/2024 Food and Beverage Undisputed 01/23/2026 1117704890 CMS
Amgen Inc. $25.21 03/26/2024 Food and Beverage Undisputed 01/23/2026 1116185796 CMS
Amgen Inc. $9.44 03/27/2024 Food and Beverage Undisputed 01/23/2026 1117704892 CMS
Amgen Inc. $15.47 04/09/2024 Food and Beverage Undisputed 01/23/2026 1117704894 CMS
Amgen Inc. $13.56 05/08/2024 Food and Beverage Undisputed 01/23/2026 1117704896 CMS
Amgen Inc. $23.68 05/21/2024 Food and Beverage Undisputed 01/23/2026 1117704898 CMS
Amgen Inc. $11.52 06/11/2024 Food and Beverage Undisputed 01/23/2026 1116185800 CMS
Amgen Inc. $26.13 06/11/2024 Food and Beverage Undisputed 01/23/2026 1116185809 CMS
Amgen Inc. $20.08 06/27/2024 Food and Beverage Undisputed 01/23/2026 1116185813 CMS
Amgen Inc. $20.40 07/12/2024 Food and Beverage Undisputed 01/23/2026 1117704900 CMS
Amgen Inc. $11.32 07/29/2024 Food and Beverage Undisputed 01/23/2026 1117704902 CMS
Amgen Inc. $21.22 08/08/2024 Food and Beverage Undisputed 01/23/2026 1117704904 CMS
Amgen Inc. $28.64 08/26/2024 Food and Beverage Undisputed 01/23/2026 1117704906 CMS
Amgen Inc. $17.85 08/27/2024 Food and Beverage Undisputed 01/23/2026 1116185805 CMS
Amgen Inc. $10.30 09/09/2024 Food and Beverage Undisputed 01/23/2026 1117704908 CMS
Amgen Inc. $10.92 09/24/2024 Food and Beverage Undisputed 01/23/2026 1117704910 CMS
Amgen Inc. $11.72 10/08/2024 Food and Beverage Undisputed 01/23/2026 1117704912 CMS
Amgen Inc. $10.70 10/29/2024 Food and Beverage Undisputed 01/23/2026 1117704914 CMS
Amgen Inc. $18.87 11/12/2024 Food and Beverage Undisputed 01/23/2026 1117704916 CMS
Amgen Inc. $21.45 12/04/2024 Food and Beverage Undisputed 01/23/2026 1117704918 CMS
Amgen Inc. $14.22 12/17/2024 Food and Beverage Undisputed 01/23/2026 1116185817 CMS
AstraZeneca Pharmaceuticals LP $31.35 01/08/2024 Food and Beverage Undisputed 01/23/2026 1105717976 CMS
AstraZeneca Pharmaceuticals LP $113.14 02/22/2024 Food and Beverage Undisputed 01/23/2026 1104741331 CMS
AstraZeneca Pharmaceuticals LP $24.18 06/27/2024 Food and Beverage Undisputed 01/23/2026 1104456432 CMS
AstraZeneca Pharmaceuticals LP $16.44 07/24/2024 Food and Beverage Undisputed 01/23/2026 1105580788 CMS
AstraZeneca Pharmaceuticals LP $15.40 08/14/2024 Food and Beverage Undisputed 01/23/2026 1105606503 CMS
AstraZeneca Pharmaceuticals LP $17.70 08/21/2024 Food and Beverage Undisputed 01/23/2026 1104743369 CMS
AstraZeneca Pharmaceuticals LP $22.02 09/10/2024 Food and Beverage Undisputed 01/23/2026 1104441749 CMS
AstraZeneca Pharmaceuticals LP $22.86 11/20/2024 Food and Beverage Undisputed 01/23/2026 1105207270 CMS
AstraZeneca Pharmaceuticals LP $17.37 12/20/2024 Food and Beverage Undisputed 01/23/2026 1104687766 CMS
AstraZeneca Pharmaceuticals LP $29.31 12/23/2024 Food and Beverage Undisputed 01/23/2026 1104407243 CMS
Bayer Healthcare Pharmaceuticals Inc. $5.62 02/01/2024 Food and Beverage Undisputed 01/23/2026 1086083465 CMS
Bayer Healthcare Pharmaceuticals Inc. $13.10 03/12/2024 Food and Beverage Undisputed 01/23/2026 1086240900 CMS
Bayer Healthcare Pharmaceuticals Inc. $13.95 04/10/2024 Food and Beverage Undisputed 01/23/2026 1086149533 CMS
Bayer Healthcare Pharmaceuticals Inc. $14.98 05/23/2024 Food and Beverage Undisputed 01/23/2026 1086123744 CMS
Bayer Healthcare Pharmaceuticals Inc. $14.35 06/18/2024 Food and Beverage Undisputed 01/23/2026 1086196210 CMS
Bayer Healthcare Pharmaceuticals Inc. $14.13 07/11/2024 Food and Beverage Undisputed 01/23/2026 1086123638 CMS
Bayer Healthcare Pharmaceuticals Inc. $10.70 08/14/2024 Food and Beverage Undisputed 01/23/2026 1086086045 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.20 08/29/2024 Food and Beverage Undisputed 01/23/2026 1086254348 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.73 10/23/2024 Food and Beverage Undisputed 01/23/2026 1086108820 CMS
Bayer Healthcare Pharmaceuticals Inc. $125.00 10/30/2024 Food and Beverage Undisputed 01/23/2026 1086260616 CMS
Bayer Healthcare Pharmaceuticals Inc. $27.45 12/05/2024 Food and Beverage Undisputed 01/23/2026 1086113450 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $28.96 05/13/2024 Food and Beverage Undisputed 01/23/2026 1118204408 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $31.46 07/08/2024 Food and Beverage Undisputed 01/23/2026 1118204416 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $32.74 08/19/2024 Food and Beverage Undisputed 01/23/2026 1118204420 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $25.93 09/19/2024 Food and Beverage Undisputed 01/23/2026 1118204403 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $29.04 10/15/2024 Food and Beverage Undisputed 01/23/2026 1118204412 CMS
Corcept Therapeutics $95.18 10/11/2024 Food and Beverage Undisputed 01/23/2026 1117765143 CMS
Corcept Therapeutics $21.10 10/18/2024 Food and Beverage Undisputed 01/23/2026 1117765085 CMS
Corcept Therapeutics $16.21 11/04/2024 Food and Beverage Undisputed 01/23/2026 1117765109 CMS
Corcept Therapeutics $22.04 11/13/2024 Food and Beverage Undisputed 01/23/2026 1117765111 CMS
Dexcom, Inc. $17.65 08/01/2024 Food and Beverage Undisputed 01/23/2026 1153345408 CMS
Dexcom, Inc. $17.67 10/02/2024 Food and Beverage Undisputed 01/23/2026 1153345410 CMS
Dexcom, Inc. $19.87 11/19/2024 Food and Beverage Undisputed 01/23/2026 1153345412 CMS
Dexcom, Inc. $17.32 12/20/2024 Food and Beverage Undisputed 01/23/2026 1153345414 CMS
Esperion Therapeutics, Inc. $23.33 07/24/2024 Food and Beverage Undisputed 01/23/2026 1129458242 CMS
Exact Sciences Corporation $26.91 04/05/2024 Food and Beverage Undisputed 01/23/2026 1114501494 CMS
Exact Sciences Corporation $16.91 06/11/2024 Food and Beverage Undisputed 01/23/2026 1114501500 CMS
GlaxoSmithKline, LLC. $25.00 02/09/2024 Food and Beverage Undisputed 01/23/2026 1116392282 CMS
GlaxoSmithKline, LLC. $24.95 04/17/2024 Food and Beverage Undisputed 01/23/2026 1115909444 CMS
GlaxoSmithKline, LLC. $22.77 07/22/2024 Food and Beverage Undisputed 01/23/2026 1116404299 CMS
GlaxoSmithKline, LLC. $18.72 10/08/2024 Food and Beverage Undisputed 01/23/2026 1116359148 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $25.20 02/05/2024 Food and Beverage Undisputed 01/23/2026 1143335149 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $25.62 03/15/2024 Food and Beverage Undisputed 01/23/2026 1143335152 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $23.58 04/24/2024 Food and Beverage Undisputed 01/23/2026 1143335156 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $12.15 05/21/2024 Education Undisputed 01/23/2026 1143335160 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $28.36 06/14/2024 Food and Beverage Undisputed 01/23/2026 1143335163 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $27.88 08/12/2024 Food and Beverage Undisputed 01/23/2026 1143335167 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $28.54 09/20/2024 Food and Beverage Undisputed 01/23/2026 1143335171 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $29.91 11/12/2024 Food and Beverage Undisputed 01/23/2026 1143335175 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $17.54 12/23/2024 Food and Beverage Undisputed 01/23/2026 1143335178 CMS
Lilly USA, LLC $21.51 01/24/2024 Food and Beverage Undisputed 01/23/2026 1135492090 CMS
Lilly USA, LLC $21.68 02/17/2024 Food and Beverage Undisputed 01/23/2026 1135456675 CMS
Lilly USA, LLC $31.64 05/15/2024 Food and Beverage Undisputed 01/23/2026 1135487256 CMS
Lilly USA, LLC $22.68 05/22/2024 Food and Beverage Undisputed 01/23/2026 1135443493 CMS
Lilly USA, LLC $22.79 08/01/2024 Food and Beverage Undisputed 01/23/2026 1135456865 CMS
Lilly USA, LLC $20.24 09/14/2024 Food and Beverage Undisputed 01/23/2026 1135492092 CMS
Mannkind Corporation $21.65 01/19/2024 Food and Beverage Undisputed 01/23/2026 1145850599 CMS
Mannkind Corporation $14.15 04/19/2024 Food and Beverage Undisputed 01/23/2026 1145850601 CMS
Mannkind Corporation $13.43 05/28/2024 Food and Beverage Undisputed 01/23/2026 1145850603 CMS
Mannkind Corporation $13.67 06/10/2024 Food and Beverage Undisputed 01/23/2026 1145850605 CMS
Mannkind Corporation $28.22 06/12/2024 Food and Beverage Undisputed 01/23/2026 1145850607 CMS
Mannkind Corporation $12.10 06/18/2024 Food and Beverage Undisputed 01/23/2026 1145850609 CMS
Mannkind Corporation $12.93 06/24/2024 Food and Beverage Undisputed 01/23/2026 1145850611 CMS
Mannkind Corporation $13.63 07/08/2024 Food and Beverage Undisputed 01/23/2026 1145850613 CMS
Mannkind Corporation $12.10 07/15/2024 Food and Beverage Undisputed 01/23/2026 1145850615 CMS
Mannkind Corporation $9.77 07/30/2024 Food and Beverage Undisputed 01/23/2026 1145850617 CMS
Mannkind Corporation $10.32 08/05/2024 Food and Beverage Undisputed 01/23/2026 1145850619 CMS
Mannkind Corporation $16.45 08/06/2024 Food and Beverage Undisputed 01/23/2026 1145850621 CMS
Mannkind Corporation $12.07 08/12/2024 Food and Beverage Undisputed 01/23/2026 1145850623 CMS
Mannkind Corporation $13.73 08/22/2024 Food and Beverage Undisputed 01/23/2026 1145850625 CMS
Mannkind Corporation $16.60 08/26/2024 Food and Beverage Undisputed 01/23/2026 1145850627 CMS
Mannkind Corporation $13.23 09/10/2024 Food and Beverage Undisputed 01/23/2026 1145850629 CMS
Mannkind Corporation $12.98 09/16/2024 Food and Beverage Undisputed 01/23/2026 1145850631 CMS
Mannkind Corporation $19.18 10/02/2024 Food and Beverage Undisputed 01/23/2026 1145850633 CMS
Mannkind Corporation $12.95 10/08/2024 Food and Beverage Undisputed 01/23/2026 1145850635 CMS
Mannkind Corporation $13.72 10/14/2024 Food and Beverage Undisputed 01/23/2026 1145850637 CMS
Mannkind Corporation $13.72 10/21/2024 Food and Beverage Undisputed 01/23/2026 1145850639 CMS
Mannkind Corporation $13.73 11/11/2024 Food and Beverage Undisputed 01/23/2026 1145850641 CMS
Mannkind Corporation $13.58 11/25/2024 Food and Beverage Undisputed 01/23/2026 1145850643 CMS
Merck Sharp & Dohme LLC $31.83 04/15/2024 Food and Beverage Undisputed 01/23/2026 1141724452 CMS
Merck Sharp & Dohme LLC $27.86 06/17/2024 Food and Beverage Undisputed 01/23/2026 1141878903 CMS
Novartis Pharmaceuticals Corporation $27.25 04/03/2024 Food and Beverage Undisputed 01/23/2026 1087414228 CMS
Novartis Pharmaceuticals Corporation $22.31 05/08/2024 Food and Beverage Undisputed 01/23/2026 1087414232 CMS
Novartis Pharmaceuticals Corporation $27.97 10/09/2024 Food and Beverage Undisputed 01/23/2026 1087414248 CMS
Novo Nordisk Inc $16.91 03/11/2024 Food and Beverage Undisputed 01/23/2026 1097583105 CMS
Novo Nordisk Inc $24.83 05/20/2024 Food and Beverage Undisputed 01/23/2026 1097292175 CMS
Otsuka America Pharmaceutical, Inc. $25.22 02/28/2024 Food and Beverage Undisputed 01/23/2026 1118996111 CMS
Paratek Pharmaceuticals, Inc. $16.91 07/16/2024 Food and Beverage Undisputed 01/23/2026 1113922124 CMS
Paratek Pharmaceuticals, Inc. $21.33 09/11/2024 Food and Beverage Undisputed 01/23/2026 1113922126 CMS
Paratek Pharmaceuticals, Inc. $25.00 10/29/2024 Food and Beverage Undisputed 01/23/2026 1113922128 CMS
Paratek Pharmaceuticals, Inc. $19.63 11/18/2024 Food and Beverage Undisputed 01/23/2026 1113922130 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.