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

TIAN ZHANG

Allopathic & Osteopathic Physicians Internal Medicine Medical Oncology

NPI
1083858443
CMS profile
94330
Location
DALLAS, TX

General Payments · PY2018–2024

$355,548.52

  • Reported across 437 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$32,874.98

41 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

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
EISAI INC. $7,748.60 9
PFIZER INC. $5,837.19 8
EMD Serono, Inc. $5,641.00 1
E.R. Squibb & Sons, L.L.C. $4,934.98 4
Bayer HealthCare Pharmaceuticals Inc. $2,932.10 4
Exelixis Inc. $2,468.65 4
Janssen Global Services, LLC $2,025.00 1
Acerta Pharma LLC $1,142.66 4
Tempus AI, Inc $47.12 2
Janssen Scientific Affairs, LLC $41.67 1
Janssen Biotech, Inc. $25.98 1
Gilead Sciences, Inc. $15.15 1
Eli Lilly and Company $14.88 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $95,148.85 110
PY2019 $94,769.45 110
PY2020 $33,665.20 25
PY2021 $22,256.98 13
PY2022 $43,662.77 75
PY2023 $33,170.29 63
PY2024 $32,874.98 41

Payment records · PY2024 (41)

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
AstraZeneca Pharmaceuticals LP $100.98 08/04/2024 Food and Beverage Undisputed 01/23/2026 1104286136 CMS
AstraZeneca Pharmaceuticals LP $54.23 08/04/2024 Food and Beverage Undisputed 01/23/2026 1104310288 CMS
AstraZeneca Pharmaceuticals LP $137.45 08/22/2024 Food and Beverage Undisputed 01/23/2026 1104501024 CMS
AstraZeneca Pharmaceuticals LP $850.00 10/23/2024 Consulting Fee Undisputed 01/23/2026 1105459672 CMS
Bayer Healthcare Pharmaceuticals Inc. $11.66 12/04/2024 Travel and Lodging Undisputed 01/23/2026 1086080492 CMS
Bayer Healthcare Pharmaceuticals Inc. $2,812.50 12/04/2024 Consulting Fee Undisputed 01/23/2026 1086129872 CMS
Bayer Healthcare Pharmaceuticals Inc. $77.75 12/04/2024 Food and Beverage Undisputed 01/23/2026 1086239422 CMS
Bayer Healthcare Pharmaceuticals Inc. $30.19 12/04/2024 Food and Beverage Undisputed 01/23/2026 1086240046 CMS
E.R. Squibb & Sons, L.L.C. $134.99 01/26/2024 Food and Beverage Undisputed 01/23/2026 1101256165 CMS
E.R. Squibb & Sons, L.L.C. $29.99 01/26/2024 Food and Beverage Undisputed 01/23/2026 1101256191 CMS
E.R. Squibb & Sons, L.L.C. $1,590.00 02/07/2024 Consulting Fee Undisputed 01/23/2026 1101256233 CMS
E.R. Squibb & Sons, L.L.C. $3,180.00 08/01/2024 Consulting Fee Undisputed 01/23/2026 1101256139 CMS
Eisai Inc. $1,200.00 01/03/2024 Consulting Fee Undisputed 01/23/2026 1110785709 CMS
Eisai Inc. $125.00 01/27/2024 Food and Beverage Undisputed 01/23/2026 1110785717 CMS
Eisai Inc. $7.07 01/27/2024 Food and Beverage Undisputed 01/23/2026 1110785719 CMS
Eisai Inc. $1,470.00 03/12/2024 Consulting Fee Undisputed 01/23/2026 1110785711 CMS
Eisai Inc. $26.13 06/02/2024 Food and Beverage Undisputed 01/23/2026 1110785703 CMS
Eisai Inc. $124.99 06/03/2024 Food and Beverage Undisputed 01/23/2026 1110785705 CMS
Eisai Inc. $85.41 06/03/2024 Food and Beverage Undisputed 01/23/2026 1110785707 CMS
Eisai Inc. $2,355.00 06/26/2024 Consulting Fee Undisputed 01/23/2026 1110785713 CMS
Eisai Inc. $2,355.00 11/15/2024 Consulting Fee Undisputed 01/23/2026 1110785715 CMS
Eli Lilly and Company $14.88 09/15/2024 Food and Beverage Undisputed 01/23/2026 1135484835 CMS
EMD Serono, Inc. $5,641.00 08/21/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1120253729 CMS
Exelixis Inc. $1,980.00 02/29/2024 Honoraria Undisputed 01/23/2026 1138566723 CMS
Exelixis Inc. $174.00 06/01/2024 Food and Beverage Undisputed 01/23/2026 1138566725 CMS
Exelixis Inc. $168.82 09/14/2024 Food and Beverage Undisputed 01/23/2026 1138566727 CMS
Exelixis Inc. $145.83 11/07/2024 Food and Beverage Undisputed 01/23/2026 1138566729 CMS
Gilead Sciences, Inc. $15.15 03/22/2024 Food and Beverage Undisputed 01/23/2026 1133829499 CMS
Janssen Biotech, Inc. $25.98 04/06/2024 Food and Beverage Undisputed 01/23/2026 1078702700 CMS
Janssen Global Services, LLC $2,025.00 11/23/2024 Consulting Fee Undisputed 01/23/2026 1077592333 CMS
Janssen Scientific Affairs, LLC $41.67 04/13/2024 Food and Beverage Undisputed 01/23/2026 1078859374 CMS
PFIZER INC. $25.98 01/25/2024 Food and Beverage Undisputed 01/23/2026 1131294072 CMS
PFIZER INC. $1,242.97 04/12/2024 Travel and Lodging Undisputed 01/23/2026 1131624672 CMS
PFIZER INC. $2,450.00 05/15/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1132059006 CMS
PFIZER INC. $135.00 05/31/2024 Food and Beverage Undisputed 01/23/2026 1131474435 CMS
PFIZER INC. $34.72 06/04/2024 Food and Beverage Undisputed 01/23/2026 1131327361 CMS
PFIZER INC. $143.09 08/02/2024 Food and Beverage Undisputed 01/23/2026 1131984643 CMS
PFIZER INC. $1,750.00 08/23/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1132059348 CMS
PFIZER INC. $55.43 11/23/2024 Food and Beverage Undisputed 01/23/2026 1131391886 CMS
Tempus AI, Inc $21.53 12/05/2024 Food and Beverage Undisputed 01/23/2026 1150177785 CMS
Tempus AI, Inc $25.59 12/06/2024 Food and Beverage Undisputed 01/23/2026 1150177787 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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