Robert Rubin
Nephrology · Washington, DCNPI 1013917749
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $113,700 of the $118,597 with a category attached, or 95.9%. Amgen accounts for 99.9% of it on its own, with 1 other manufacturer making up the rest. Reporting peaked in 2020 at $54,958 and has fallen 99.7% since, to $145 in 2023. Among nephrology clinicians in DC 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 56 payments — averaging $2117.81 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Amgen$118K
- Vifor Pharma, Inc.$145
What the payments were for
- Consulting fees$113,70096%
- Travel & lodging$4,0823%
- Food & beverage$8151%
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 | 55 | $118,453 |
| Vifor Pharma, Inc. | 1 | $145 |
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
$118,597 in reported general payments places this provider in the 95th percentile of 62 nephrology providers in District of Columbia.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Torsemide | 12 | $218 |
Paid to pharmacies, not to this prescriber.
Other nephrology in Washington
- Ashte CollinsWashington$1M
- Bruce LeslieWashington$217K
- Janani RangaswamiWashington$152K
- Ehsan Nobakht HaghighiWashington$50K
- Christopher WilcoxWashington$41K
- Michael LipkowitzWashington$21K
- Dominic RajWashington$19K
- Cosette JamiesonWashington$13K
- Elwin BustosWashington$9K
- Antonina KolesnikovaWashington$7K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.