Robert Ritchey
Physician Assistant · Yuba City, CANPI 1952388662
Payments from drug & device makers
Across 65 payments — averaging $24.28 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Amgen$197
- Viiv Healthcare Company$197
- Novo Nordisk$178
- Merck$141
- Pfizer$120
- Johnson & Johnson$99
- plus $646 from 18 others
What the payments were for
- Food & beverage$1,578100%
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 |
|---|---|---|
| Amgen | 5 | $197 |
| Viiv Healthcare Company | 7 | $197 |
| Novo Nordisk | 9 | $178 |
| Merck | 6 | $141 |
| Pfizer | 5 | $120 |
| Johnson & Johnson | 5 | $99 |
| Nevro Corp. | 1 | $97 |
| Vertex | 1 | $81 |
| Bayer | 4 | $66 |
| Exact Sciences | 4 | $64 |
| Dexcom, Inc. | 3 | $57 |
| Theratechnologies Inc. | 2 | $41 |
| AstraZeneca | 2 | $29 |
| Regeneron Healthcare Solutions, Inc. | 1 | $25 |
| Sanofi Pasteur Inc. | 1 | $25 |
| Daiichi Sankyo Inc. | 1 | $21 |
| Lilly USA, LLC | 1 | $20 |
| Novavax Inc | 1 | $19 |
| GSK | 1 | $18 |
| Collegium Pharmaceutical, Inc. | 1 | $18 |
| Axsome Therapeutics, Inc. | 1 | $18 |
| Alk-abello, Inc | 1 | $18 |
| Mylan Specialty L.p. | 1 | $14 |
| Neurocrine Biosciences, Inc. | 1 | $14 |
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.
- KRYSTEXXA$127
How this compares
$1,578 in reported general payments places this provider in the 80th percentile of 10,423 physician assistant providers in California.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Hydrocodone-AcetaminophenHydrocodone/Acetaminophen | 82 | $806 |
| Diclofenac Sodium | 107 | $786 |
| Lidocaine | 11 | $461 |
| Celecoxib | 11 | $244 |
| Tramadol Hcl | 45 | $94 |
| Ibuprofen | 23 | $56 |
| Naproxen | 18 | $35 |
| Meloxicam | 35 | $32 |
Paid to pharmacies, not to this prescriber.
Other physician assistant in Yuba City
- 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.