Alton Walters
Internal Medicine · Las Vegas, NVNPI 1902819691
Payments from drug & device makers
What this record shows
This record is dominated by food and beverage: $249 of the $333 with a category attached, or 74.9%. 7 manufacturers reported payments, led by Novo Nordisk at 27.6% of the total. 2025 is the largest year on record at $131, 2.4 times the $55 reported in 2019.
Across 11 payments — averaging $30.28 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Novo Nordisk$92
- AstraZeneca$84
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$55
- Intra-sana Laboratories$45
- Lilly USA, LLC$22
- Amgen$20
- plus $16 from 1 others
Across 551 payments — averaging $16,173 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.
- Pfizer$5M
- Modernatx, Inc.$1.6M
- Amgen$640K
- AstraZeneca$511K
- GSK$307K
- Seqirus USA Inc$258K
- plus $598K from 8 others
What the payments were for
- Travel & lodging$8425%
- Food & beverage$24975%
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 |
|---|---|---|
| Novo Nordisk | 4 | $92 |
| AstraZeneca | 1 | $84 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 1 | $55 |
| Intra-sana Laboratories | 2 | $45 |
| Lilly USA, LLC | 1 | $22 |
| Amgen | 1 | $20 |
| Dexcom, Inc. | 1 | $16 |
How this compares
$333 in reported general payments places this provider in the 55th percentile of 1,071 internal medicine providers in Nevada.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Hydrocodone-AcetaminophenHydrocodone/Acetaminophen | 19 | $713 |
| Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen | 29 | $544 |
| Oxycodone Hcl | 19 | $392 |
| Albuterol Sulfate HfaAlbuterol Sulfate | 13 | $348 |
| Gabapentin | 25 | $316 |
| Ezetimibe | 11 | $67 |
| Zolpidem Tartrate | 11 | $67 |
| Amlodipine Besylate | 16 | $48 |
| Alprazolam | 21 | $46 |
Paid to pharmacies, not to this prescriber.
Other internal medicine in Las Vegas
- Kevin DunsmoorLas Vegas$241K
- Robert ChiascioneLas Vegas$174K
- Dino GonzalezLas Vegas$126K
- Rosanne SugayLas Vegas$63K
- Chad HallLas Vegas$42K
- Zubin DamaniaLas Vegas$40K
- Audrey Sue CruzLas Vegas$34K
- Bashab BanerjiLas Vegas$26K
- Amaan ShafiLas Vegas$25K
- Sassan KavehLas Vegas$23K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.