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

JENNIFER O CHAN

Allopathic & Osteopathic Physicians Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI
1265634687
CMS profile
1111893
Location
WALNUT CREEK, CA

General Payments · PY2018–2024

$31,555.31

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

Latest program year · PY2024

$312.64

5 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 $312.64 5

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
INTUITIVE SURGICAL, INC. $168.39 3
E.R. Squibb & Sons, L.L.C. $126.25 1
Pinnacle Biologics, Inc $18.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $7,823.84 19
PY2019 $1,570.90 14
PY2020 $23.00 1
PY2021 $48.21 2
PY2022 $20,859.00 57
PY2023 $917.72 16
PY2024 $312.64 5

Payment records · PY2024 (5)

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
E.R. Squibb & Sons, L.L.C. $126.25 11/18/2024 Food and Beverage Undisputed 01/23/2026 1101245606 CMS
INTUITIVE SURGICAL, INC. $55.00 04/30/2024 Food and Beverage Undisputed 01/23/2026 1137114465 CMS
INTUITIVE SURGICAL, INC. $72.00 06/25/2024 Food and Beverage Undisputed 01/23/2026 1137290770 CMS
INTUITIVE SURGICAL, INC. $41.39 07/09/2024 Food and Beverage Undisputed 01/23/2026 1137191750 CMS
Pinnacle Biologics, Inc $18.00 03/25/2024 Food and Beverage Undisputed 01/23/2026 1132919591 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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