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

EVAN ZHIHONG LANG

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1639163033
CMS profile
28288
Location
HAMILTON, OH

General Payments · PY2018–2024

$48,731.79

  • Reported across 236 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$6,353.09

36 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
Consulting Fee $5,612.50 6
Food and Beverage $643.25 28
Education $97.34 2

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,385.00 35
PY2019 $16,342.12 37
PY2020 $8,575.62 22
PY2021 $6,612.94 38
PY2022 $7,231.28 26
PY2023 $2,231.74 42
PY2024 $6,353.09 36

Payment records · PY2024 (36)

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. $34.32 03/26/2024 Food and Beverage Undisputed 01/23/2026 1104135894 CMS
ABBVIE INC. $23.39 12/23/2024 Food and Beverage Undisputed 01/23/2026 1104135896 CMS
AstraZeneca Pharmaceuticals LP $525.00 02/14/2024 Consulting Fee Undisputed 01/23/2026 1105569835 CMS
AstraZeneca Pharmaceuticals LP $27.55 03/12/2024 Food and Beverage Undisputed 01/23/2026 1105885595 CMS
AstraZeneca Pharmaceuticals LP $28.84 05/21/2024 Food and Beverage Undisputed 01/23/2026 1104526934 CMS
AstraZeneca Pharmaceuticals LP $525.00 08/01/2024 Consulting Fee Undisputed 01/23/2026 1105552784 CMS
AstraZeneca Pharmaceuticals LP $24.57 09/02/2024 Food and Beverage Undisputed 01/23/2026 1104712809 CMS
AstraZeneca Pharmaceuticals LP $2,497.50 10/23/2024 Consulting Fee Undisputed 01/23/2026 1105894168 CMS
Bayer Healthcare Pharmaceuticals Inc. $1,140.00 06/14/2024 Consulting Fee Undisputed 01/23/2026 1086270324 CMS
BeiGene USA, Inc. $27.42 04/12/2024 Food and Beverage Undisputed 01/23/2026 1120855848 CMS
BeiGene USA, Inc. $275.00 11/15/2024 Consulting Fee Undisputed 01/23/2026 1120855846 CMS
Daiichi Sankyo Inc. $27.81 04/16/2024 Food and Beverage Undisputed 01/23/2026 1089446624 CMS
Daiichi Sankyo Inc. $18.96 09/14/2024 Food and Beverage Undisputed 01/23/2026 1089446630 CMS
Eisai Inc. $13.94 02/09/2024 Food and Beverage Undisputed 01/23/2026 1110744907 CMS
Eisai Inc. $24.50 02/21/2024 Food and Beverage Undisputed 01/23/2026 1110744909 CMS
Eisai Inc. $13.35 04/24/2024 Education Undisputed 01/23/2026 1110744905 CMS
Eisai Inc. $17.49 11/25/2024 Food and Beverage Undisputed 01/23/2026 1110744911 CMS
GENZYME CORPORATION $26.88 10/29/2024 Food and Beverage Undisputed 01/23/2026 1139662204 CMS
Gilead Sciences, Inc. $83.99 06/12/2024 Education Undisputed 01/23/2026 1133891153 CMS
Gilead Sciences, Inc. $19.16 12/03/2024 Food and Beverage Undisputed 01/23/2026 1133799418 CMS
GlaxoSmithKline, LLC. $650.00 05/13/2024 Consulting Fee Undisputed 01/23/2026 1116477166 CMS
GlaxoSmithKline, LLC. $18.40 07/10/2024 Food and Beverage Undisputed 01/23/2026 1116012617 CMS
Incyte Corporation $22.53 01/24/2024 Food and Beverage Undisputed 01/23/2026 1141273302 CMS
Incyte Corporation $17.86 11/19/2024 Food and Beverage Undisputed 01/23/2026 1141277408 CMS
Incyte Corporation $22.43 12/16/2024 Food and Beverage Undisputed 01/23/2026 1141272792 CMS
JAZZ PHARMACEUTICALS INC. $22.95 11/04/2024 Food and Beverage Undisputed 01/23/2026 1150224480 CMS
Legend Biotech USA Inc. $16.55 12/09/2024 Food and Beverage Undisputed 01/23/2026 1131694817 CMS
Merck Sharp & Dohme LLC $28.71 12/05/2024 Food and Beverage Undisputed 01/23/2026 1141700276 CMS
Novartis Pharmaceuticals Corporation $22.47 02/05/2024 Food and Beverage Undisputed 01/23/2026 1087037476 CMS
Novartis Pharmaceuticals Corporation $22.83 05/08/2024 Food and Beverage Undisputed 01/23/2026 1087037478 CMS
Novartis Pharmaceuticals Corporation $23.70 10/02/2024 Food and Beverage Undisputed 01/23/2026 1087037480 CMS
PFIZER INC. $16.54 03/29/2024 Food and Beverage Undisputed 01/23/2026 1131302787 CMS
PFIZER INC. $14.12 09/09/2024 Food and Beverage Undisputed 01/23/2026 1131360225 CMS
Stemline Therapeutics Inc. $22.74 10/07/2024 Food and Beverage Undisputed 01/23/2026 1142959714 CMS
Stemline Therapeutics Inc. $23.01 12/17/2024 Food and Beverage Undisputed 01/23/2026 1142959712 CMS
Takeda Pharmaceuticals U.S.A., Inc. $33.58 10/24/2024 Food and Beverage Undisputed 01/23/2026 1144961410 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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