Hien Nguyen
Addiction Medicine · Apex, NCNPI 1124446430
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $145,173 of the $145,173 with a category attached, or 100.0%. 2025 is the largest year on record at $34,893, 9.7 times the $3,607 reported in 2019. Among addiction medicine clinicians in NC with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 279 payments — averaging $520.33 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- CSL Plasma Inc.$76K
- CSL Behring$69K
What the payments were for
- Consulting fees$145,173100%
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| CSL Plasma Inc. | 133 | $75,949 |
| CSL Behring | 146 | $69,224 |
How this compares
$145,173 in reported general payments places this provider in the 95th percentile of 42 addiction medicine providers in North Carolina.
Other addiction medicine in Apex
- Bernard GottschalkWilmington$188K
- Gary LeonhardtGreenville$92K
- Emily Rayes-PrinceMonroe$69K
- Jonathan HallHendersonville$8K
- Barry WilliamsWinston-Salem$4K
- Johnny WilliamsGreenville$3K
- Heather ManosCharlotte$3K
- Sara KoenigCary$2K
- Richard PavelockStatesville$1K
- Gail GriffinCharlotte$655
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.