Phyllis Tien
Infectious Disease · San Francisco, CANPI 1346358835
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 14 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 3 manufacturers reported payments, led by Gilead at 57.6% of the total. Reporting peaked in 2023 at $170 and has fallen 64.0% since, to $61 in 2025.
Across 14 payments — averaging $36.43 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Gilead$294
- Merck$198
- Bavarian Nordic A/s$19
Across 14 payments — averaging $57,004 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.
- Merck$749K
- Gilead$31K
- Eli Lilly$18K
What the payments were for
- Food & beverage$510100%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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 |
|---|---|---|
| Gilead | 9 | $294 |
| Merck | 4 | $198 |
| Bavarian Nordic A/s | 1 | $19 |
How this compares
$510 in reported general payments places this provider in the 55th percentile of 856 infectious disease providers in California.
Other infectious disease in San Francisco
- Shawn HasslerSan Francisco$433K
- Abhijit LimayeSan Francisco$152K
- Joel PalefskySan Francisco$68K
- Monica GandhiSan Francisco$60K
- Claire PomeroySacramento$2.6M
- Javeed SiddiquiRoseville$1.5M
- George SakoulasSan Diego$902K
- Arthur JengSylmar$766K
- James McKinnellTorrance$762K
- Jay GladsteinLos Angeles$657K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.