Calvin Cheung
Physician Assistant · Anaheim, CANPI 1467914937
Payments from drug & device makers
Across 101 payments — averaging $28.17 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AstraZeneca$474
- Pharmacyclics LLC, An Abbvie Company$289
- Teva Pharmaceuticals USA, Inc.$237
- Novartis$209
- Astellas Pharma US Inc$189
- Eisai Inc.$148
- plus $1K from 23 others
What the payments were for
- Food & beverage$2,65293%
- Education$1947%
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 |
|---|---|---|
| AstraZeneca | 19 | $474 |
| Pharmacyclics LLC, An Abbvie Company | 21 | $289 |
| Teva Pharmaceuticals USA, Inc. | 2 | $237 |
| Novartis | 11 | $209 |
| Astellas Pharma US Inc | 7 | $189 |
| Eisai Inc. | 2 | $148 |
| Merck | 8 | $141 |
| Jazz Pharmaceuticals Inc. | 1 | $125 |
| Incyte Corporation | 1 | $125 |
| Regeneron Healthcare Solutions, Inc. | 1 | $122 |
| Gilead | 1 | $113 |
| Johnson & Johnson | 2 | $111 |
| Ipsen Biopharmaceuticals, Inc | 2 | $109 |
| Daiichi Sankyo Inc. | 3 | $57 |
| Bristol Myers Squibb | 2 | $46 |
| Genentech USA, Inc. | 2 | $41 |
| Lilly USA, LLC | 2 | $36 |
| Sanofi | 2 | $36 |
| E.r. Squibb & Sons, L.L.C. | 2 | $31 |
| Karyopharm Therapeutics Inc. | 1 | $29 |
| Coherus Oncology, Inc. | 1 | $23 |
| Servier Pharmaceuticals LLC | 1 | $22 |
| Morphosys, US Inc. | 1 | $21 |
| AbbVie | 1 | $20 |
| GSK | 1 | $20 |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $19 |
| Pfizer | 1 | $17 |
| Alnylam Pharmaceuticals Inc. | 1 | $16 |
| Seagen Inc. | 1 | $16 |
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
$2,846 in reported general payments places this provider in the 85th percentile of 10,423 physician assistant providers in California.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Anastrozole | 47 | $1,312 |
| Exemestane | 14 | $1,155 |
| Letrozole | 37 | $746 |
| Hydroxyurea | 22 | $697 |
| Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine | 25 | $278 |
| Potassium Chloride | 11 | $248 |
| Triamcinolone Acetonide | 26 | $244 |
| Hydroxyzine Hcl | 27 | $227 |
| Ondansetron OdtOndansetron | 20 | $203 |
| Prednisone | 21 | $181 |
| Dexamethasone | 11 | $163 |
| Duloxetine Hcl | 11 | $155 |
| Alendronate Sodium | 12 | $118 |
| Tramadol Hcl | 12 | $92 |
Paid to pharmacies, not to this prescriber.
Other physician assistant in Anaheim
- John QuigleyDowney$2.9M
- 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
- Eric CheungLos Angeles$213K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.