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

MARK S WEISSIG

Allopathic & Osteopathic Physicians Internal Medicine Pulmonary Disease

NPI
1649266032
CMS profile
301747
Location
FULLERTON, CA

General Payments · PY2018–2024

$6,087.33

  • Reported across 300 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$345.63

11 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 $345.63 11

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Acerta Pharma LLC $162.02 4
GlaxoSmithKline, LLC. $96.84 4
Boehringer Ingelheim Pharmaceuticals, Inc. $86.77 3

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,641.61 97
PY2019 $1,809.58 93
PY2020 $661.67 34
PY2021 $459.55 20
PY2022 $530.36 22
PY2023 $638.93 23
PY2024 $345.63 11

Payment records · PY2024 (11)

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
AstraZeneca Pharmaceuticals LP $27.09 01/18/2024 Food and Beverage Undisputed 01/23/2026 1104246083 CMS
AstraZeneca Pharmaceuticals LP $104.14 02/07/2024 Food and Beverage Undisputed 01/23/2026 1104254619 CMS
AstraZeneca Pharmaceuticals LP $16.66 06/27/2024 Food and Beverage Undisputed 01/23/2026 1105376841 CMS
AstraZeneca Pharmaceuticals LP $14.13 08/02/2024 Food and Beverage Undisputed 01/23/2026 1104514656 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $34.46 04/05/2024 Food and Beverage Undisputed 01/23/2026 1118093682 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $25.86 06/18/2024 Food and Beverage Undisputed 01/23/2026 1118093678 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $26.45 11/22/2024 Food and Beverage Undisputed 01/23/2026 1118093680 CMS
GlaxoSmithKline, LLC. $26.73 01/25/2024 Food and Beverage Undisputed 01/23/2026 1116468322 CMS
GlaxoSmithKline, LLC. $22.68 07/11/2024 Food and Beverage Undisputed 01/23/2026 1115910646 CMS
GlaxoSmithKline, LLC. $21.04 08/28/2024 Food and Beverage Undisputed 01/23/2026 1116322597 CMS
GlaxoSmithKline, LLC. $26.39 10/29/2024 Food and Beverage Undisputed 01/23/2026 1116671512 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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