Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

MAIUYEN T NGUYEN

Allopathic & Osteopathic Physicians Obstetrics & Gynecology

NPI
1952622052
CMS profile
2237126
Location
CARMICHAEL, CA

General Payments · PY2019–2025

$9,582.91

  • Reported across 118 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$4,781.17

15 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Education $4,000.00 3
Travel and Lodging $589.96 3
Food and Beverage $191.21 9

By paying entity

PY2025 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $44.84 3
PY2020 $116.29 6
PY2021 $383.72 23
PY2022 $474.96 25
PY2023 $2,586.70 25
PY2024 $1,195.23 21
PY2025 $4,781.17 15

Payment records · PY2025 (15)

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

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Daiichi Sankyo Inc. $15.06 04/23/2025 Food and Beverage Undisputed 06/30/2026 1197056049 CMS
Daiichi Sankyo Inc. $19.70 05/02/2025 Food and Beverage Undisputed 06/30/2026 1197070581 CMS
Evofem Biosciences, Inc. $23.50 07/10/2025 Food and Beverage Undisputed 06/30/2026 1253960269 CMS
Evofem Biosciences, Inc. $9.44 12/02/2025 Food and Beverage Undisputed 06/30/2026 1253960267 CMS
Exact Sciences Corporation $34.40 06/24/2025 Food and Beverage Undisputed 06/30/2026 1235680805 CMS
Intra-Sana Laboratories $18.66 04/01/2025 Food and Beverage Undisputed 06/30/2026 1251423418 CMS
Intra-Sana Laboratories $31.50 07/24/2025 Food and Beverage Undisputed 06/30/2026 1251423420 CMS
INTUITIVE SURGICAL, INC. $1,500.00 02/04/2025 Education Undisputed 06/30/2026 1236574643 CMS
INTUITIVE SURGICAL, INC. $215.61 05/12/2025 Travel and Lodging Undisputed 06/30/2026 1236574645 CMS
INTUITIVE SURGICAL, INC. $19.00 05/12/2025 Travel and Lodging Undisputed 06/30/2026 1236574647 CMS
INTUITIVE SURGICAL, INC. $355.35 07/08/2025 Travel and Lodging Undisputed 06/30/2026 1236574649 CMS
INTUITIVE SURGICAL, INC. $1,000.00 07/08/2025 Education Undisputed 06/30/2026 1236574651 CMS
INTUITIVE SURGICAL, INC. $1,500.00 12/15/2025 Education Undisputed 06/30/2026 1236574641 CMS
Sage Therapeutics, LLC $22.95 01/27/2025 Food and Beverage Undisputed 06/30/2026 1211470123 CMS
Sumitomo Pharma America, Inc. $16.00 09/25/2025 Food and Beverage Undisputed 06/30/2026 1176697770 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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