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

GEORGE NGAN

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1316054174
CMS profile
241401
Location
LOS ANGELES, CA

General Payments · PY2018–2024

$4,119.89

  • Reported across 184 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$308.68

12 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 $308.68 12

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $505.03 27
PY2019 $656.79 32
PY2020 $585.28 27
PY2021 $887.40 39
PY2022 $553.78 23
PY2023 $622.93 24
PY2024 $308.68 12

Payment records · PY2024 (12)

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
Amgen Inc. $34.26 12/20/2024 Food and Beverage Undisputed 01/23/2026 1111661747 CMS
Bayer Healthcare Pharmaceuticals Inc. $28.07 04/06/2024 Food and Beverage Undisputed 01/23/2026 1086245192 CMS
Bayer Healthcare Pharmaceuticals Inc. $25.63 08/20/2024 Food and Beverage Undisputed 01/23/2026 1086211129 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $29.79 04/12/2024 Food and Beverage Undisputed 01/23/2026 1117958792 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $25.73 06/07/2024 Food and Beverage Undisputed 01/23/2026 1117958790 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $25.00 09/20/2024 Food and Beverage Undisputed 01/23/2026 1117958788 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $33.43 11/22/2024 Food and Beverage Undisputed 01/23/2026 1117958794 CMS
Exact Sciences Corporation $20.88 06/25/2024 Food and Beverage Undisputed 01/23/2026 1114808077 CMS
GlaxoSmithKline, LLC. $27.46 04/16/2024 Food and Beverage Undisputed 01/23/2026 1115919868 CMS
PFIZER INC. $19.49 02/23/2024 Food and Beverage Undisputed 01/23/2026 1132021235 CMS
PFIZER INC. $22.91 07/30/2024 Food and Beverage Undisputed 01/23/2026 1130885276 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.03 09/04/2024 Food and Beverage Undisputed 01/23/2026 1153468031 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

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.