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 J CHUN

Allopathic & Osteopathic Physicians Pediatrics

NPI
1710912050
CMS profile
349631
Location
GLEN ALLEN, VA

General Payments · PY2018–2024

$1,543.92

  • Reported across 89 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$336.60

18 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 $336.60 18

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $226.10 13
PY2019 $277.48 18
PY2020 $67.27 4
PY2021 $169.94 10
PY2022 $218.67 13
PY2023 $247.86 13
PY2024 $336.60 18

Payment records · PY2024 (18)

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
Corium, LLC $27.62 06/21/2024 Food and Beverage Undisputed 01/23/2026 1100196820 CMS
Corium, LLC $22.88 09/19/2024 Food and Beverage Undisputed 01/23/2026 1100186101 CMS
GlaxoSmithKline, LLC. $17.24 08/28/2024 Food and Beverage Undisputed 01/23/2026 1116604288 CMS
GlaxoSmithKline, LLC. $17.88 12/04/2024 Food and Beverage Undisputed 01/23/2026 1116578826 CMS
IRONSHORE PHARMACEUTICALS INC. $13.46 05/30/2024 Food and Beverage Undisputed 01/23/2026 1146273114 CMS
IRONSHORE PHARMACEUTICALS INC. $14.23 06/13/2024 Food and Beverage Undisputed 01/23/2026 1146273138 CMS
IRONSHORE PHARMACEUTICALS INC. $15.31 10/03/2024 Food and Beverage Undisputed 01/23/2026 1146293464 CMS
kaleo, Inc. $18.75 08/26/2024 Food and Beverage Undisputed 01/23/2026 1126631218 CMS
Merck Sharp & Dohme LLC $19.03 07/11/2024 Food and Beverage Undisputed 01/23/2026 1141977618 CMS
SANOFI-AVENTIS U.S. LLC $20.32 09/12/2024 Food and Beverage Undisputed 01/23/2026 1139669774 CMS
SANOFI-AVENTIS U.S. LLC $25.33 09/16/2024 Food and Beverage Undisputed 01/23/2026 1139669776 CMS
SANOFI-AVENTIS U.S. LLC $28.02 10/28/2024 Food and Beverage Undisputed 01/23/2026 1139669770 CMS
Supernus Pharmaceuticals, Inc. $17.40 02/08/2024 Food and Beverage Undisputed 01/23/2026 1147823770 CMS
Supernus Pharmaceuticals, Inc. $19.05 05/03/2024 Food and Beverage Undisputed 01/23/2026 1147784406 CMS
Supernus Pharmaceuticals, Inc. $13.13 06/03/2024 Food and Beverage Undisputed 01/23/2026 1147784400 CMS
Supernus Pharmaceuticals, Inc. $13.44 08/10/2024 Food and Beverage Undisputed 01/23/2026 1147823768 CMS
Supernus Pharmaceuticals, Inc. $17.54 11/05/2024 Food and Beverage Undisputed 01/23/2026 1147784404 CMS
Supernus Pharmaceuticals, Inc. $15.97 12/03/2024 Food and Beverage Undisputed 01/23/2026 1147784402 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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