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

YI ZHENG

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1851622427
CMS profile
701399
Location
WALNUT CREEK, CA

General Payments · PY2018–2024

$3,707.91

  • Reported across 114 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$554.13

20 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 $554.13 20

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $83.07 1
PY2019 $78.80 4
PY2020 $443.08 19
PY2021 $364.65 19
PY2022 $1,569.19 23
PY2023 $614.99 28
PY2024 $554.13 20

Payment records · PY2024 (20)

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
Braintree Laboratories, Inc. $16.84 05/06/2024 Food and Beverage Undisputed 01/23/2026 1125518807 CMS
Braintree Laboratories, Inc. $26.17 12/12/2024 Food and Beverage Undisputed 01/23/2026 1125518809 CMS
Celgene Corporation $18.21 07/15/2024 Food and Beverage Undisputed 01/23/2026 1101117210 CMS
Celgene Corporation $15.02 07/24/2024 Food and Beverage Undisputed 01/23/2026 1101117206 CMS
Celgene Corporation $16.68 09/23/2024 Food and Beverage Undisputed 01/23/2026 1101117214 CMS
Echosens North America, Inc. $21.44 11/07/2024 Food and Beverage Undisputed 01/23/2026 1154983226 CMS
GENZYME CORPORATION $36.56 04/22/2024 Food and Beverage Undisputed 01/23/2026 1139575013 CMS
Gilead Sciences, Inc. $119.26 07/12/2024 Food and Beverage Undisputed 01/23/2026 1133792283 CMS
Intercept Pharmaceuticals, Inc. $20.86 08/09/2024 Food and Beverage Undisputed 01/23/2026 1113644559 CMS
Ipsen Biopharmaceuticals, Inc $20.65 11/10/2024 Food and Beverage Undisputed 01/23/2026 1091992039 CMS
Janssen Biotech, Inc. $22.98 08/22/2024 Food and Beverage Undisputed 01/23/2026 1078355527 CMS
Janssen Biotech, Inc. $21.58 11/21/2024 Food and Beverage Undisputed 01/23/2026 1078353996 CMS
Madrigal Pharmaceuticals $28.56 10/10/2024 Food and Beverage Undisputed 01/23/2026 1144186331 CMS
Merck Sharp & Dohme LLC $22.99 08/26/2024 Food and Beverage Undisputed 01/23/2026 1141880945 CMS
PFIZER INC. $34.04 08/16/2024 Food and Beverage Undisputed 01/23/2026 1131832870 CMS
Phathom Pharmaceuticals, Inc. $30.21 03/01/2024 Food and Beverage Undisputed 01/23/2026 1151142935 CMS
Phathom Pharmaceuticals, Inc. $17.89 08/02/2024 Food and Beverage Undisputed 01/23/2026 1151142937 CMS
QOL Medical, LLC $27.84 05/30/2024 Food and Beverage Undisputed 01/23/2026 1147725260 CMS
Takeda Pharmaceuticals U.S.A., Inc. $17.36 01/22/2024 Food and Beverage Undisputed 01/23/2026 1137702932 CMS
Takeda Pharmaceuticals U.S.A., Inc. $18.99 07/19/2024 Food and Beverage Undisputed 01/23/2026 1137702934 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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