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

MICHAEL NGUYEN

Allopathic & Osteopathic Physicians Psychiatry & Neurology Psychiatry

NPI
1104272046
CMS profile
8792334
Location
SAN FRANCISCO, CA

General Payments · PY2022–2024

$429.69

  • Reported across 17 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$412.70

16 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 $412.70 16

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Merck Sharp & Dohme Corporation $352.99 13
ABBVIE INC. $40.75 2
GlaxoSmithKline, LLC. $18.96 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $16.99 1
PY2024 $412.70 16

Payment records · PY2024 (16)

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

Program year 2024 2022 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. $22.68 05/16/2024 Food and Beverage Undisputed 01/23/2026 1105120185 CMS
ABBVIE INC. $18.07 11/12/2024 Food and Beverage Undisputed 01/23/2026 1105120187 CMS
GlaxoSmithKline, LLC. $18.96 10/17/2024 Food and Beverage Undisputed 01/23/2026 1116719134 CMS
Merck Sharp & Dohme LLC $16.70 01/19/2024 Food and Beverage Undisputed 01/23/2026 1141849076 CMS
Merck Sharp & Dohme LLC $31.74 03/22/2024 Food and Beverage Undisputed 01/23/2026 1141635643 CMS
Merck Sharp & Dohme LLC $22.18 04/17/2024 Food and Beverage Undisputed 01/23/2026 1141921114 CMS
Merck Sharp & Dohme LLC $19.10 05/02/2024 Food and Beverage Undisputed 01/23/2026 1141635763 CMS
Merck Sharp & Dohme LLC $22.87 05/03/2024 Food and Beverage Undisputed 01/23/2026 1141635765 CMS
Merck Sharp & Dohme LLC $34.43 06/25/2024 Food and Beverage Undisputed 01/23/2026 1141635651 CMS
Merck Sharp & Dohme LLC $33.15 07/11/2024 Food and Beverage Undisputed 01/23/2026 1141849074 CMS
Merck Sharp & Dohme LLC $30.83 07/25/2024 Food and Beverage Undisputed 01/23/2026 1141635761 CMS
Merck Sharp & Dohme LLC $28.53 08/24/2024 Food and Beverage Undisputed 01/23/2026 1141635649 CMS
Merck Sharp & Dohme LLC $23.64 09/27/2024 Food and Beverage Undisputed 01/23/2026 1141923050 CMS
Merck Sharp & Dohme LLC $23.62 10/30/2024 Food and Beverage Undisputed 01/23/2026 1141635657 CMS
Merck Sharp & Dohme LLC $33.67 11/07/2024 Food and Beverage Undisputed 01/23/2026 1141635647 CMS
Merck Sharp & Dohme LLC $32.53 12/13/2024 Food and Beverage Undisputed 01/23/2026 1141635645 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
2022, 2024
Source files
Dataset page · Bulk file · PY2022 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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