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

WALAVAN SIVAKUMAR

Allopathic & Osteopathic Physicians Neurological Surgery

NPI
1952627911
CMS profile
4221055
Location
TORRANCE, CA

General Payments · PY2018–2024

$69,482.26

  • Reported across 182 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$10,581.69

31 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 $8,387.50 6
Travel and Lodging $1,667.19 8
Food and Beverage $527.00 17

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $278.58 6
PY2019 $6,094.19 18
PY2020 $17,228.16 33
PY2021 $8,126.97 38
PY2022 $12,235.69 20
PY2023 $14,936.98 36
PY2024 $10,581.69 31

Payment records · PY2024 (31)

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. $28.84 01/24/2024 Food and Beverage Undisputed 01/23/2026 1106115963 CMS
Aesculap, Inc. $21.66 11/25/2024 Food and Beverage Undisputed 01/23/2026 1154288622 CMS
AstraZeneca Pharmaceuticals LP $28.20 09/09/2024 Food and Beverage Undisputed 01/23/2026 1105360119 CMS
Globus Medical, Inc. $3.00 09/20/2024 Travel and Lodging Undisputed 01/23/2026 1145009559 CMS
Globus Medical, Inc. $26.29 09/27/2024 Food and Beverage Undisputed 01/23/2026 1145009493 CMS
Globus Medical, Inc. $353.89 09/28/2024 Travel and Lodging Undisputed 01/23/2026 1145009557 CMS
Integra LifeSciences Corporation $123.35 07/15/2024 Food and Beverage Undisputed 01/23/2026 1140139802 CMS
IRRAS USA, Inc. $19.47 08/19/2024 Food and Beverage Undisputed 01/23/2026 1128527162 CMS
LEICA MICROSYSTEMS INC. $20.31 07/18/2024 Food and Beverage Undisputed 01/23/2026 1067530464 CMS
Medtronic, Inc. $22.96 04/22/2024 Food and Beverage Undisputed 01/23/2026 1119565434 CMS
Medtronic, Inc. $18.32 06/24/2024 Food and Beverage Undisputed 01/23/2026 1119565432 CMS
Medtronic, Inc. $30.15 12/13/2024 Food and Beverage Undisputed 01/23/2026 1119565436 CMS
Merz Pharmaceuticals, LLC $27.30 07/16/2024 Food and Beverage Undisputed 01/23/2026 1137955843 CMS
MIMEDX Group, Inc. $28.26 05/20/2024 Food and Beverage Undisputed 01/23/2026 1140269642 CMS
Omniscient Neurotechnology America Ltd $21.05 03/30/2024 Food and Beverage Undisputed 01/23/2026 1154745108 CMS
Stryker Corporation $63.30 02/05/2024 Food and Beverage Undisputed 01/23/2026 1119982887 CMS
Stryker Corporation $412.50 05/10/2024 Consulting Fee Undisputed 01/23/2026 1119982889 CMS
Stryker Corporation $20.10 06/05/2024 Food and Beverage Undisputed 01/23/2026 1119982891 CMS
Stryker Corporation $825.00 07/26/2024 Consulting Fee Undisputed 01/23/2026 1119982893 CMS
Stryker Corporation $986.43 08/01/2024 Travel and Lodging Undisputed 01/23/2026 1119982895 CMS
Stryker Corporation $2.44 08/08/2024 Food and Beverage Undisputed 01/23/2026 1119982897 CMS
Stryker Corporation $128.66 08/09/2024 Travel and Lodging Undisputed 01/23/2026 1119982899 CMS
Stryker Corporation $103.22 08/09/2024 Travel and Lodging Undisputed 01/23/2026 1119982901 CMS
Stryker Corporation $275.00 08/16/2024 Consulting Fee Undisputed 01/23/2026 1119982903 CMS
Stryker Corporation $275.00 09/06/2024 Consulting Fee Undisputed 01/23/2026 1119982905 CMS
Stryker Corporation $5,500.00 09/06/2024 Consulting Fee Undisputed 01/23/2026 1119982907 CMS
Stryker Corporation $25.00 09/06/2024 Food and Beverage Undisputed 01/23/2026 1119982909 CMS
Stryker Corporation $19.00 09/06/2024 Travel and Lodging Undisputed 01/23/2026 1119982911 CMS
Stryker Corporation $19.00 09/06/2024 Travel and Lodging Undisputed 01/23/2026 1119982913 CMS
Stryker Corporation $53.99 09/06/2024 Travel and Lodging Undisputed 01/23/2026 1119982915 CMS
Stryker Corporation $1,100.00 11/08/2024 Consulting Fee Undisputed 01/23/2026 1119982917 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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