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

REN YU ZHANG

Allopathic & Osteopathic Physicians Colon & Rectal Surgery

NPI
1902910052
CMS profile
41508
Location
LAS VEGAS, NV

General Payments · PY2019–2024

$8,237.45

  • Reported across 31 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$7,241.16

11 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 $6,300.00 1
Travel and Lodging $698.25 3
Food and Beverage $242.91 7

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Ethicon US, LLC $6,308.44 2
Medical Device Business Services, Inc. $896.07 7
Takeda Pharmaceuticals U.S.A., Inc. $32.80 1
BIOCOMPOSITES INC $3.85 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $821.03 12
PY2020 $27.67 1
PY2021 $16.36 1
PY2022 $49.36 3
PY2023 $81.87 3
PY2024 $7,241.16 11

Payment records · PY2024 (11)

Sorted by paying entity, then date · as published by CMS

Program year 2024 20192020202120222023 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
BIOCOMPOSITES INC $3.85 08/15/2024 Food and Beverage Undisputed 01/23/2026 1146434820 CMS
Ethicon US, LLC $8.44 01/23/2024 Food and Beverage Undisputed 01/23/2026 1077639742 CMS
Ethicon US, LLC $6,300.00 03/20/2024 Consulting Fee Undisputed 01/23/2026 1077652254 CMS
Medical Device Business Services, Inc. $300.63 02/22/2024 Travel and Lodging Undisputed 01/23/2026 1077804244 CMS
Medical Device Business Services, Inc. $124.64 02/22/2024 Food and Beverage Undisputed 01/23/2026 1077804284 CMS
Medical Device Business Services, Inc. $253.29 02/22/2024 Travel and Lodging Undisputed 01/23/2026 1077804341 CMS
Medical Device Business Services, Inc. $144.33 02/22/2024 Travel and Lodging Undisputed 01/23/2026 1077804352 CMS
Medical Device Business Services, Inc. $34.89 02/23/2024 Food and Beverage Undisputed 01/23/2026 1077804261 CMS
Medical Device Business Services, Inc. $26.59 02/23/2024 Food and Beverage Undisputed 01/23/2026 1077804274 CMS
Medical Device Business Services, Inc. $11.70 02/23/2024 Food and Beverage Undisputed 01/23/2026 1077804314 CMS
Takeda Pharmaceuticals U.S.A., Inc. $32.80 12/06/2024 Food and Beverage Undisputed 01/23/2026 1137702850 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
2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · 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.