Alfred Tan
Family Medicine · San Ramon, CANPI 1962465955
Payments from drug & device makers
$4,696,244in general payments, 2019–2025
Across 2,459 payments — averaging $1909.82 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Pfizer$1.6M
- Modernatx, Inc.$1.4M
- AbbVie$708K
- Amgen$408K
- Seqirus USA Inc$216K
- Teva Pharmaceuticals USA, Inc.$114K
- plus $154K from 5 others
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 |
|---|---|---|
| Pfizer | 93 | $1,647,454 |
| Modernatx, Inc. | 2,106 | $1,448,001 |
| AbbVie | 70 | $708,355 |
| Amgen | 25 | $407,513 |
| Seqirus USA Inc | 81 | $216,261 |
| Teva Pharmaceuticals USA, Inc. | 9 | $114,355 |
| Novartis | 9 | $101,731 |
| AstraZeneca | 2 | $29,328 |
| Alnylam Pharmaceuticals Inc. | 62 | $15,246 |
| Vanda Pharmaceuticals Inc. | 1 | $7,000 |
| E.r. Squibb & Sons, L.L.C. | 1 | $1,000 |
How this compares
$4,696,244 in reported general payments places this provider in the 95th percentile of 10,533 family medicine providers in California.
Other family medicine in San Ramon
- Amina HaggagNorthridge$112.8M
- Steven ReynoldsLong Beach$53M
- Rizwana MohseniLake Forest$26.7M
- Daniel JohnsonSan Diego$15.7M
- Stacey LayleSan Diego$14.8M
- Apinya VutikullirdCypress$14.3M
- Hanid AudishSpring Valley$13.6M
- Augusto FocilOxnard$12.6M
- Jack VuLong Beach$10.1M
- Suzanne FussellOxnard$8.9M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.