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

CHRISTOPHER A WALKER

Allopathic & Osteopathic Physicians Obstetrics & Gynecology Gynecologic Oncology

NPI
1942733605
CMS profile
5699478
Location
DALLAS, TX

General Payments · PY2018–2024

$1,586.24

  • Reported across 18 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$761.00

9 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 $525.26 3
Food and Beverage $235.74 6

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Siemens Medical Solutions USA, Inc. $571.35 6
ABBVIE INC. $116.03 1
GlaxoSmithKline, LLC. $39.99 1
Acerta Pharma LLC $33.63 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $221.85 2
PY2021 $252.90 3
PY2022 $228.56 3
PY2023 $121.93 1
PY2024 $761.00 9

Payment records · PY2024 (9)

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

Program year 2024 2018202120222023 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. $116.03 09/18/2024 Food and Beverage Undisputed 01/23/2026 1106298955 CMS
AstraZeneca Pharmaceuticals LP $33.63 03/16/2024 Food and Beverage Undisputed 01/23/2026 1104435473 CMS
GlaxoSmithKline, LLC. $39.99 03/16/2024 Food and Beverage Undisputed 01/23/2026 1116558191 CMS
Siemens Medical Solutions USA, Inc. $205.48 06/24/2024 Travel and Lodging Undisputed 01/23/2026 1093700631 CMS
Siemens Medical Solutions USA, Inc. $30.62 06/25/2024 Travel and Lodging Undisputed 01/23/2026 1093700629 CMS
Siemens Medical Solutions USA, Inc. $12.06 06/25/2024 Food and Beverage Undisputed 01/23/2026 1093700635 CMS
Siemens Medical Solutions USA, Inc. $15.69 06/26/2024 Food and Beverage Undisputed 01/23/2026 1093700633 CMS
Siemens Medical Solutions USA, Inc. $18.34 06/26/2024 Food and Beverage Undisputed 01/23/2026 1093700637 CMS
Siemens Medical Solutions USA, Inc. $289.16 06/27/2024 Travel and Lodging Undisputed 01/23/2026 1093700627 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, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , 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.