Amina Ahmed, MD
Nephrology · Houston, TXNPI 1467420547
Payments from drug & device makers
Across 35 payments — averaging $19.98 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Otsuka America Pharmaceutical, Inc.$126
- Travere Therapeutics, Inc.$107
- Novartis$90
- Amgen$80
- Mallinckrodt Enterprises LLC$64
- Aurinia Pharma U.S., Inc.$61
- plus $170 from 5 others
What the payments were for
- Food & beverage$67997%
- Education$203%
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 |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | 6 | $126 |
| Travere Therapeutics, Inc. | 7 | $107 |
| Novartis | 3 | $90 |
| Amgen | 4 | $80 |
| Mallinckrodt Enterprises LLC | 3 | $64 |
| Aurinia Pharma U.S., Inc. | 3 | $61 |
| Calliditas Therapeutics US Inc. | 3 | $53 |
| Novo Nordisk | 2 | $50 |
| Vifor Pharma, Inc. | 2 | $28 |
| Medtronic | 1 | $24 |
| Ultragenyx Pharmaceutical Inc. | 1 | $16 |
How this compares
$699 in reported general payments places this provider in the 30th percentile of 1,070 nephrology providers in Texas.
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 |
|---|---|---|
| FarxigaDapagliflozin Propanediol | 12 | $16,461 |
| LokelmaSodium Zirconium Cyclosilicate | 11 | $11,262 |
| Sevelamer Carbonate | 22 | $4,337 |
| Nifedipine ErNifedipine | 44 | $1,288 |
| Losartan Potassium | 96 | $1,107 |
| Calcium Acetate | 19 | $955 |
| Amlodipine Besylate | 155 | $795 |
| Potassium Chloride | 27 | $698 |
| Hydralazine Hcl | 53 | $606 |
| Spironolactone | 25 | $592 |
| Metoprolol Succinate | 36 | $582 |
| Calcitriol | 31 | $560 |
| Furosemide | 73 | $405 |
| Atorvastatin Calcium | 29 | $278 |
| Tamsulosin Hcl | 11 | $236 |
Paid to pharmacies, not to this prescriber.
Other nephrology in Houston
- Sreedhar MandayamHouston$7M
- Marializa BernardoHouston$4.2M
- Stephen FademHouston$2.4M
- Biruh WorkenehHouston$1.8M
- Rahul PandeyHouston$1.6M
- Christopher KwohHouston$928K
- George NassarHouston$772K
- June YaoHouston$651K
- Maher BisharaHouston$489K
- Wolfgang WinkelmayerHouston$462K
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.