Charles Tuan-Tu Nguyen
Psychiatry · Irvine, CA
CMS Profile ID: 42595 · NPI: 1942380118
Total Disclosed General Payments
$580,474.15
General-payment records
715
CMS Program Year
2025
Most of this (about 64%) was payments for services other than consulting, including faculty or speaking services outside continuing education.
Higher than 99.8% of 14,155 PY2025 general-payment recipient profiles in Psychiatry.
Percentage rounded down to one decimal; tied totals are not counted as lower. Counts all CMS recipient profiles with a general-payment transaction and this primary specialty, including this provider. CMS specialty: Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry.
Payments by Type
| Payment Type | Amount |
|---|---|
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $372,547.24 |
| Honoraria | $101,108.50 |
| Travel and Lodging | $58,157.93 |
| Consulting Fee | $33,712.25 |
| Food and Beverage | $14,948.23 |
Top Paying Companies
| Manufacturer / GPO | Amount |
|---|---|
| Neurocrine BioSciences, Inc. | $154,059.02 |
| Otsuka America Pharmaceutical, Inc. | $152,530.98 |
| Axsome Therapeutics, Inc. | $119,919.68 |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | $113,071.80 |
| E.R. Squibb & Sons, L.L.C. | $39,791.82 |
| Alkermes, Inc. | $511.45 |
Top contributing companies shown; smaller payers may be omitted.
These totals are computed from the official CMS Open Payments program-year 2025 general-payment
file. To see the full, authoritative record for this provider — including research payments and
line-item detail — look them up by exact NPI 1942380118 on the
official CMS Open Payments portal.
Verify this record with CMS
- Confirm the provider's exact NPI: 1942380118.
- Select program year 2025 and general payments in the CMS portal.
- Check individual payment records and their nature-of-payment categories.