Robert Fontanilla
Physician Assistant · Riverside, CANPI 1184005258
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $20,495 of the $31,829 with a category attached, or 64.4%. Gilead accounts for 61.9% of it on its own, with 14 other manufacturers making up the rest. 2025 is the largest year on record at $23,923, 7.1 times the $3,385 reported in 2021. Among physician assistant clinicians in CA 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 204 payments — averaging $156.03 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Gilead$20K
- AbbVie$8K
- Viiv Healthcare Company$3K
- Antares Pharma, Inc.$529
- Esperion Therapeutics, Inc.$163
- Lilly USA, LLC$121
- plus $493 from 9 others
What the payments were for
- Consulting fees$1,8006%
- Speaking & faculty fees$20,49564%
- Travel & lodging$3,13910%
- Food & beverage$6,34820%
- Education$480%
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 | 75 | $19,698 |
| AbbVie | 36 | $7,573 |
| Viiv Healthcare Company | 50 | $3,253 |
| Antares Pharma, Inc. | 16 | $529 |
| Esperion Therapeutics, Inc. | 5 | $163 |
| Lilly USA, LLC | 1 | $121 |
| Novo Nordisk | 5 | $112 |
| Johnson & Johnson(2 entities) | 5 | $106 |
| Janssen Products, LP | 1 | $99 |
| Amarin Pharma, Inc. | 4 | $54 |
| Merck | 2 | $51 |
| Tolmar, Inc. | 1 | $22 |
| Theratechnologies Inc. | 1 | $20 |
| Napo Pharmaceuticals Inc | 1 | $17 |
| Ascend Therapeutics US, LLC | 1 | $12 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
How this compares
$31,829 in reported general payments places this provider in the 95th percentile of 10,423 physician assistant providers in California.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Atorvastatin Calcium | 11 | $29 |
Paid to pharmacies, not to this prescriber.
Other physician assistant in Riverside
- Sheila Anne BobisRiverside$55K
- Andrea NguyenIrvine$1M
- Mikhail AlperMadera$889K
- Erin JensenUpland$716K
- Franklin ClineSacramento$458K
- Carla CrespoMarina del Rey$297K
- Katherine OsakiEl Centro$274K
- Shawna JonesFountain Valley$266K
- Heather AustinSalinas$219K
- Andrea FoxStanford$172K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.