Si Houn Hahn
Clinical Biochemical Genetics · Seattle, WANPI 1538109558
Payments from drug & device makers
Across 127 payments — averaging $10,734 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AstraZeneca$488K
- Sanofi$451K
- Shire North American Group Inc$218K
- Ultragenyx Pharmaceutical Inc.$207K
Across 15 payments — averaging $511.53 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Sanofi$8K
What the payments were for
- Consulting fees$10,12597%
- Food & beverage$3213%
- Education$300%
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 |
|---|---|---|
| AstraZeneca | 15 | $487,660 |
| Sanofi | 77 | $450,729 |
| Shire North American Group Inc | 2 | $218,301 |
| Ultragenyx Pharmaceutical Inc. | 33 | $206,542 |
How this compares
Too few clinical biochemical genetics providers in Washingtonto place this figure against a meaningful peer group, so we don't.
Other clinical biochemical genetics in Seattle
- Gerald NepomSeattle$264K
- John MerrittSeattle$73K
- Sirisak ChanprasertSeattle$24K
- Katrina DippleSeattle$5
- Michael RaffTacoma$36K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.