Joseph Abdallah, MD
Nephrology · Westminster, CONPI 1306843602
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $20,300 of the $22,675 with a category attached, or 89.5%. Johnson & Johnson accounts for 97.7% of it on its own, with 6 other manufacturers making up the rest. Reporting peaked in 2019 at $12,022 and has fallen 98.4% since, to $191 in 2024. Among nephrology clinicians in CO with any reported payments, this total sits in the top 10% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 30 payments — averaging $755.83 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Johnson & Johnson$22K
- Otsuka America Pharmaceutical, Inc.$170
- Amgen$122
- Mozarc Medical US LLC$96
- Nxstage Medical, Inc.$84
- Janssen Scientific Affairs, LLC$35
- plus $13 from 1 others
Across 3 payments — averaging $2810.00 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Novo Nordisk AS$6K
- Janssen Research & Development, LLC$2K
What the payments were for
- Consulting fees$3752%
- Speaking & faculty fees$20,30090%
- Travel & lodging$1,1695%
- Food & beverage$8314%
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 |
|---|---|---|
| Johnson & Johnson | 21 | $22,156 |
| Otsuka America Pharmaceutical, Inc. | 3 | $170 |
| Amgen | 1 | $122 |
| Mozarc Medical US LLC | 1 | $96 |
| Nxstage Medical, Inc. | 2 | $84 |
| Janssen Scientific Affairs, LLC | 1 | $35 |
| Intuitive Surgical | 1 | $13 |
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
$22,675 in reported general payments places this provider in the 90th percentile of 152 nephrology providers in Colorado.
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 |
|---|---|---|
| LokelmaSodium Zirconium Cyclosilicate | 20 | $20,148 |
| KerendiaFinerenone | 21 | $17,098 |
| Lanthanum Carbonate | 17 | $13,153 |
| AuryxiaFerric Citrate | 11 | $9,462 |
| Sevelamer Carbonate | 28 | $4,129 |
| Tacrolimus | 17 | $2,637 |
| Calcium Acetate | 26 | $2,593 |
| Bumetanide | 14 | $1,417 |
| Amlodipine Besylate | 117 | $586 |
| Torsemide | 37 | $510 |
| Losartan Potassium | 41 | $484 |
| Furosemide | 39 | $345 |
| Potassium Chloride | 21 | $312 |
| Tamsulosin Hcl | 21 | $304 |
| Carvedilol | 30 | $297 |
Paid to pharmacies, not to this prescriber.
Other nephrology in Westminster
- Geoffrey BlockLone Tree$726K
- Laura KooiengaDenver$82K
- Brad MarderDenver$77K
- Richard JohnsonAurora$62K
- Maria VelezDenver$47K
- Paul MillerGolden$42K
- Bruce KaplanAurora$42K
- Michael ShomakerThornton$41K
- Sixto GiustiAurora$23K
- Isaac TeitelbaumAurora$22K
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.