Stephen Graham
Nephrology · Los Angeles, CANPI 1801868112
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 168 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 27 manufacturers reported payments, led by Amgen at 36.0% of the total. Reporting peaked in 2019 at $2,029 and has fallen 96.1% since, to $78 in 2023.
Across 168 payments — averaging $17.90 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Amgen$1K
- AstraZeneca$363
- Daiichi Sankyo Inc.$212
- Otsuka America Pharmaceutical, Inc.$177
- Mallinckrodt Enterprises LLC$130
- Vifor Pharma, Inc.$104
- plus $937 from 21 others
What the payments were for
- Food & beverage$3,008100%
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(2 entities) | 56 | $1,084 |
| AstraZeneca(2 entities) | 20 | $363 |
| Daiichi Sankyo Inc. | 16 | $212 |
| Otsuka America Pharmaceutical, Inc. | 12 | $177 |
| Mallinckrodt Enterprises LLC | 14 | $130 |
| Vifor Pharma, Inc. | 6 | $104 |
| Akebia Therapeutics Inc | 4 | $84 |
| Boston Scientific | 2 | $78 |
| GSK | 4 | $71 |
| Sanofi | 4 | $71 |
| Baxter Healthcare | 2 | $70 |
| Johnson & Johnson | 4 | $67 |
| Fresenius USA Marketing, Inc. | 2 | $55 |
| Regeneron Healthcare Solutions, Inc. | 2 | $50 |
| AbbVie | 2 | $50 |
| OPKO Pharmaceuticals, LLC | 2 | $48 |
| La Jolla Pharmaceutical Company | 2 | $44 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 3 | $39 |
| Lilly USA, LLC | 2 | $38 |
| Sanofi-aventis U.S. LLC | 2 | $37 |
| Edwards Lifesciences | 1 | $24 |
| Boehringer Ingelheim | 1 | $22 |
| Alnylam Pharmaceuticals Inc. | 1 | $21 |
| Amarin Pharma, Inc. | 1 | $20 |
| Arbor Pharmaceuticals, Inc. | 1 | $19 |
| Shire North American Group Inc | 1 | $19 |
| Radius Health, Inc. | 1 | $11 |
How this compares
$3,008 in reported general payments places this provider in the 70th percentile of 1,341 nephrology providers in California.
Other nephrology in Los Angeles
- Anjay RastogiLos Angeles$2.2M
- Suphamai BunnapradistLos Angeles$498K
- Mohammad KamgarLos Angeles$497K
- Victor CarabelloLos Angeles$363K
- Tariq ShahLos Angeles$351K
- Susanne NicholasLos Angeles$146K
- Arishia GhaffariLos Angeles$142K
- Allen NissensonLos Angeles$101K
- Niloofar NobakhtLos Angeles$97K
- Farid ArmanLos Angeles$69K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.