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

WALTER SUN CHA

Allopathic & Osteopathic Physicians Surgery

NPI
1316962046
CMS profile
195921
Location
CLEVELAND, OH

General Payments · PY2018–2024

$17,256.20

  • Reported across 75 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,370.76

15 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
Travel and Lodging $745.26 3
Food and Beverage $625.50 12

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
INTUITIVE SURGICAL, INC. $977.83 9
Dilon Technologies, Inc. $160.05 1
Medtronic, Inc. $91.09 1
BOSTON SCIENTIFIC CORPORATION $80.60 2
DAVOL INC. $36.61 1
Integra LifeSciences Corporation $24.58 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $4,987.14 15
PY2019 $4,691.50 7
PY2021 $1,188.51 15
PY2022 $4,159.06 11
PY2023 $859.23 12
PY2024 $1,370.76 15

Payment records · PY2024 (15)

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

Program year 2024 20182019202120222023 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
Boston Scientific Corporation $42.53 05/22/2024 Food and Beverage Undisputed 01/23/2026 1092496620 CMS
Boston Scientific Corporation $38.07 06/26/2024 Food and Beverage Undisputed 01/23/2026 1092496618 CMS
Davol Inc. $36.61 12/11/2024 Food and Beverage Undisputed 01/23/2026 1127661512 CMS
Dilon Technologies, Inc. $160.05 03/13/2024 Food and Beverage Undisputed 01/23/2026 1112838303 CMS
Integra LifeSciences Corporation $24.58 07/10/2024 Food and Beverage Undisputed 01/23/2026 1140139836 CMS
INTUITIVE SURGICAL, INC. $27.91 03/26/2024 Food and Beverage Undisputed 01/23/2026 1137285333 CMS
INTUITIVE SURGICAL, INC. $350.89 05/02/2024 Travel and Lodging Undisputed 01/23/2026 1137080499 CMS
INTUITIVE SURGICAL, INC. $19.00 05/02/2024 Travel and Lodging Undisputed 01/23/2026 1137140642 CMS
INTUITIVE SURGICAL, INC. $375.37 06/08/2024 Travel and Lodging Undisputed 01/23/2026 1137097603 CMS
INTUITIVE SURGICAL, INC. $8.61 07/02/2024 Food and Beverage Undisputed 01/23/2026 1137079923 CMS
INTUITIVE SURGICAL, INC. $123.88 07/02/2024 Food and Beverage Undisputed 01/23/2026 1137102417 CMS
INTUITIVE SURGICAL, INC. $27.48 07/02/2024 Food and Beverage Undisputed 01/23/2026 1137166545 CMS
INTUITIVE SURGICAL, INC. $28.40 07/02/2024 Food and Beverage Undisputed 01/23/2026 1137270859 CMS
INTUITIVE SURGICAL, INC. $16.29 07/02/2024 Food and Beverage Undisputed 01/23/2026 1137281166 CMS
Medtronic, Inc. $91.09 10/07/2024 Food and Beverage Undisputed 01/23/2026 1117158858 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, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , 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.