William Chiang, MD
Pain Medicine · Hammond, LANPI 1194256867
Payments from drug & device makers
What this record shows
7 manufacturers reported payments, led by Boston Scientific at 44.9% of the total. Reporting peaked in 2022 at $3,131 and has fallen 88.5% since, to $360 in 2025.
Across 69 payments — averaging $90.28 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Boston Scientific$3K
- Medtronic$2K
- Abbott$1K
- Merck$69
- Globus Medical$26
- Nevro Corp.$18
- plus $13 from 1 others
What the payments were for
- Travel & lodging$3,22852%
- Food & beverage$3,00248%
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 |
|---|---|---|
| Boston Scientific | 19 | $2,799 |
| Medtronic | 23 | $2,012 |
| Abbott | 19 | $1,293 |
| Merck | 5 | $69 |
| Globus Medical | 1 | $26 |
| Nevro Corp. | 1 | $18 |
| Avanos Medical | 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
$6,229 in reported general payments places this provider in the 65th percentile of 97 pain medicine providers in Louisiana.
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 |
|---|---|---|
| Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen | 248 | $5,964 |
| Gabapentin | 413 | $3,788 |
| Hydrocodone-AcetaminophenHydrocodone/Acetaminophen | 196 | $3,249 |
| Oxycodone Hcl | 125 | $1,980 |
| Methocarbamol | 223 | $1,868 |
| Pregabalin | 112 | $1,731 |
| Diflunisal | 12 | $1,099 |
| Celecoxib | 68 | $746 |
| Tramadol Hcl | 146 | $720 |
| Morphine Sulfate | 22 | $694 |
| Morphine Sulfate ErMorphine Sulfate | 19 | $611 |
| Meloxicam | 241 | $426 |
| Tizanidine Hcl | 52 | $325 |
| Cyclobenzaprine Hcl | 67 | $289 |
| Acetaminophen-CodeineAcetaminophen With Codeine | 17 | $278 |
Paid to pharmacies, not to this prescriber.
Other pain medicine in Hammond
- Mohamed ElkershHammond$12K
- Shaun KuoniHammond$3K
- Thomas MyersMandeville$118K
- Alan KayeNew Orleans$76K
- Derrick DeanTerrytown$68K
- Hazem EissaNew Orleans$50K
- Robert OwensNew Orleans$47K
- Gassan ChaibanLake Charles$30K
- Yashar EshraghiNew Orleans$22K
- Prathima AnandiShreveport$19K
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.