Lorene Siaw, MD
Internal Medicine · Wailuku, HINPI 1417002510
Payments from drug & device makers
Across 14 payments — averaging $20.85 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Johnson & Johnson$57
- Novartis$57
- Amgen$53
- AbbVie$41
- Melinta Therapeutics, LLC$24
- Portola Pharmaceuticals, LLC$22
- plus $36 from 2 others
What the payments were for
- Food & beverage$292100%
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 |
|---|---|---|
| Johnson & Johnson | 3 | $57 |
| Novartis | 3 | $57 |
| Amgen | 2 | $53 |
| AbbVie | 2 | $41 |
| Melinta Therapeutics, LLC | 1 | $24 |
| Portola Pharmaceuticals, LLC | 1 | $22 |
| AstraZeneca | 1 | $20 |
| Mimedx Group, Inc. | 1 | $16 |
How this compares
$292 in reported general payments places this provider in the 55th percentile of 655 internal medicine providers in Hawaii.
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 |
|---|---|---|
| RexultiBrexpiprazole | 13 | $14,571 |
| Incruse ElliptaUmeclidinium Bromide | 11 | $4,075 |
| Divalproex Sodium | 29 | $2,976 |
| Fluticasone-SalmeterolFluticasone Propion/Salmeterol | 11 | $2,015 |
| Atorvastatin Calcium | 87 | $1,467 |
| Gabapentin | 57 | $1,166 |
| Lactulose | 26 | $998 |
| Duloxetine Hcl | 15 | $784 |
| Tamsulosin Hcl | 27 | $769 |
| Carbidopa-LevodopaCarbidopa/Levodopa | 19 | $764 |
| Levetiracetam | 15 | $503 |
| Amlodipine Besylate | 32 | $407 |
| Hydralazine Hcl | 22 | $382 |
| Latanoprost | 14 | $370 |
| Losartan Potassium | 18 | $360 |
Paid to pharmacies, not to this prescriber.
Other internal medicine in Wailuku
- Michael SavonaWailuku$520K
- Sonya HansenWailuku$17K
- Scott StromattKamuela$385K
- Keith WooHonolulu$106K
- Ronald PerryHonolulu$102K
- Laurie TomHonolulu$95K
- Yusuke MiyataniHonolulu$80K
- Joshua TanHonolulu$76K
- Jose de LeonHonolulu$52K
- Peter DeeHonolulu$49K
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.