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 CHATHAM

Allopathic & Osteopathic Physicians Internal Medicine Rheumatology

NPI
1154363315
CMS profile
1050863
Location
LAS VEGAS, NV

General Payments · PY2018–2024

$137,518.14

  • Reported across 175 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$9,038.25

46 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

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $15,387.71 34
PY2019 $8,976.60 11
PY2020 $3,023.75 3
PY2021 $21,780.01 18
PY2022 $55,484.14 39
PY2023 $23,827.68 24
PY2024 $9,038.25 46

Payment records · PY2024 (46)

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. $17.52 01/24/2024 Food and Beverage Undisputed 01/23/2026 1103447704 CMS
ABBVIE INC. $21.52 02/08/2024 Food and Beverage Undisputed 01/23/2026 1103447706 CMS
ABBVIE INC. $125.76 02/20/2024 Food and Beverage Undisputed 01/23/2026 1103447708 CMS
ABBVIE INC. $27.53 02/27/2024 Food and Beverage Undisputed 01/23/2026 1103447710 CMS
ABBVIE INC. $19.27 03/19/2024 Food and Beverage Undisputed 01/23/2026 1103447712 CMS
ABBVIE INC. $22.07 04/03/2024 Food and Beverage Undisputed 01/23/2026 1103447714 CMS
ABBVIE INC. $22.07 04/18/2024 Food and Beverage Undisputed 01/23/2026 1103447716 CMS
ABBVIE INC. $149.01 10/15/2024 Food and Beverage Undisputed 01/23/2026 1103447718 CMS
ABBVIE INC. $28.13 11/14/2024 Food and Beverage Undisputed 01/23/2026 1103447720 CMS
Amgen Inc. $121.96 01/11/2024 Food and Beverage Undisputed 01/23/2026 1117524751 CMS
Amgen Inc. $118.74 10/01/2024 Food and Beverage Undisputed 01/23/2026 1117524749 CMS
Amgen Inc. $19.72 12/11/2024 Food and Beverage Undisputed 01/23/2026 1115493448 CMS
AstraZeneca Pharmaceuticals LP $125.00 05/13/2024 Food and Beverage Undisputed 01/23/2026 1105618983 CMS
Aurinia Pharma U.S., Inc. $179.67 01/04/2024 Travel and Lodging Undisputed 01/23/2026 1150677789 CMS
Aurinia Pharma U.S., Inc. $137.50 01/16/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1150677791 CMS
Aurinia Pharma U.S., Inc. $37.43 03/06/2024 Food and Beverage Undisputed 01/23/2026 1150677793 CMS
Aurinia Pharma U.S., Inc. $148.16 11/16/2024 Food and Beverage Undisputed 01/23/2026 1150677795 CMS
Aurinia Pharma U.S., Inc. $113.61 11/20/2024 Food and Beverage Undisputed 01/23/2026 1150677797 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $123.55 06/11/2024 Food and Beverage Undisputed 01/23/2026 1117893441 CMS
GlaxoSmithKline, LLC. $410.00 01/04/2024 Travel and Lodging Undisputed 01/23/2026 1116141621 CMS
GlaxoSmithKline, LLC. $3,900.00 01/30/2024 Consulting Fee Undisputed 01/23/2026 1116468078 CMS
GlaxoSmithKline, LLC. $41.28 01/31/2024 Travel and Lodging Undisputed 01/23/2026 1116575570 CMS
GlaxoSmithKline, LLC. $275.96 01/31/2024 Travel and Lodging Undisputed 01/23/2026 1116689839 CMS
GlaxoSmithKline, LLC. $3.67 02/20/2024 Food and Beverage Undisputed 01/23/2026 1115958046 CMS
GlaxoSmithKline, LLC. $217.63 03/07/2024 Travel and Lodging Undisputed 01/23/2026 1116483553 CMS
GlaxoSmithKline, LLC. $217.63 03/07/2024 Travel and Lodging Undisputed 01/23/2026 1116642736 CMS
GlaxoSmithKline, LLC. $3.28 08/27/2024 Food and Beverage Undisputed 01/23/2026 1116607476 CMS
GlaxoSmithKline, LLC. $3.80 09/05/2024 Food and Beverage Undisputed 01/23/2026 1116542244 CMS
GlaxoSmithKline, LLC. $31.02 11/15/2024 Travel and Lodging Undisputed 01/23/2026 1116173554 CMS
GlaxoSmithKline, LLC. $680.58 11/15/2024 Travel and Lodging Undisputed 01/23/2026 1116611865 CMS
GlaxoSmithKline, LLC. $272.46 12/06/2024 Travel and Lodging Undisputed 01/23/2026 1116064659 CMS
GlaxoSmithKline, LLC. $19.88 12/07/2024 Food and Beverage Undisputed 01/23/2026 1116124787 CMS
GlaxoSmithKline, LLC. $46.38 12/07/2024 Food and Beverage Undisputed 01/23/2026 1116225843 CMS
GlaxoSmithKline, LLC. $55.65 12/07/2024 Food and Beverage Undisputed 01/23/2026 1116306599 CMS
GlaxoSmithKline, LLC. $64.93 12/07/2024 Food and Beverage Undisputed 01/23/2026 1116429683 CMS
GlaxoSmithKline, LLC. $2.66 12/18/2024 Food and Beverage Undisputed 01/23/2026 1116383102 CMS
GlaxoSmithKline, LLC. $3.35 12/19/2024 Food and Beverage Undisputed 01/23/2026 1115766382 CMS
Kedrion Biopharma, Inc. $96.02 12/12/2024 Food and Beverage Undisputed 01/23/2026 1125860743 CMS
Kyowa Kirin, Inc. $36.21 04/16/2024 Food and Beverage Undisputed 01/23/2026 1127045381 CMS
Kyowa Kirin, Inc. $58.93 10/24/2024 Food and Beverage Undisputed 01/23/2026 1127045383 CMS
Lilly USA, LLC $27.80 09/12/2024 Food and Beverage Undisputed 01/23/2026 1135452909 CMS
Radius Health, Inc. $14.52 02/12/2024 Education Undisputed 01/23/2026 1090000316 CMS
TerSera Therapeutics LLC $373.00 05/20/2024 Consulting Fee Undisputed 01/23/2026 1144719170 CMS
UCB, Inc. $118.78 09/26/2024 Food and Beverage Undisputed 01/23/2026 1143479092 CMS
UCB, Inc. $29.61 12/09/2024 Food and Beverage Undisputed 01/23/2026 1143479100 CMS
VERTEX PHARMACEUTICALS INCORPORATED $475.00 10/02/2024 Consulting Fee Undisputed 01/23/2026 1105914192 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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