William Castle, MD
Family Medicine · Jackson, MSNPI 1538138391
Payments from drug & device makers
Across 246 payments — averaging $16.61 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Novo Nordisk$611
- AbbVie$532
- Lilly USA, LLC$362
- AstraZeneca$319
- Astellas Pharma US Inc$278
- Amgen$270
- plus $2K from 27 others
What the payments were for
- Food & beverage$4,087100%
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 | 39 | $611 |
| AbbVie(2 entities) | 35 | $532 |
| Lilly USA, LLC | 24 | $362 |
| AstraZeneca | 18 | $319 |
| Astellas Pharma US Inc | 11 | $278 |
| Amgen | 18 | $270 |
| GSK | 13 | $226 |
| Abbott | 11 | $204 |
| Pfizer | 11 | $177 |
| Idorsia Pharmaceuticals US Inc | 10 | $151 |
| Boehringer Ingelheim | 9 | $138 |
| Exact Sciences | 6 | $107 |
| Sumitomo Pharma America, Inc. | 6 | $93 |
| Johnson & Johnson | 6 | $87 |
| Axsome Therapeutics, Inc. | 4 | $73 |
| Novartis | 2 | $53 |
| ITI, Inc. (d/b/a Intra-cellular Therapies, Inc.) | 2 | $46 |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $44 |
| Shield Therapeutics Inc | 2 | $35 |
| Genentech USA, Inc. | 2 | $33 |
| Amarin Pharma, Inc. | 2 | $31 |
| Gilead | 2 | $30 |
| Phathom Pharmaceuticals, Inc. | 1 | $26 |
| Merck | 1 | $20 |
| Daiichi Sankyo Inc. | 1 | $20 |
| Vertex | 1 | $18 |
| Xeris Pharmaceuticals, Inc. | 1 | $17 |
| Medtronic | 1 | $16 |
| Ultragenyx Pharmaceutical Inc. | 1 | $16 |
| Currax Pharmaceuticals LLC | 1 | $15 |
| Lexicon Pharmaceuticals, Inc. | 1 | $14 |
| Hikma Pharmaceuticals USA | 1 | $13 |
| Adlon Therapeutics L.p. | 1 | $11 |
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.
- Veozah$131
How this compares
$4,087 in reported general payments places this provider in the 80th percentile of 971 family medicine providers in Mississippi.
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 |
|---|---|---|
| OzempicSemaglutide | 67 | $85,379 |
| EliquisApixaban | 95 | $78,535 |
| XareltoRivaroxaban | 45 | $38,098 |
| JanuviaSitagliptin Phosphate | 37 | $27,963 |
| MyrbetriqMirabegron | 21 | $25,417 |
| Trelegy ElliptaFluticasone/Umeclidin/Vilanter | 15 | $16,163 |
| JardianceEmpagliflozin | 13 | $14,376 |
| Anoro ElliptaUmeclidinium Brm/Vilanterol Tr | 19 | $7,287 |
| SynthroidLevothyroxine Sodium | 74 | $6,423 |
| Fluticasone-SalmeterolFluticasone Propion/Salmeterol | 38 | $6,149 |
| Gabapentin | 274 | $4,749 |
| Atorvastatin Calcium | 443 | $3,181 |
| Levothyroxine Sodium | 336 | $3,009 |
| Omeprazole | 312 | $3,001 |
| Pravastatin Sodium | 241 | $2,839 |
Paid to pharmacies, not to this prescriber.
Companies that both paid and supply prescribed drugs
These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.
| Company | Paid to this provider | Part D cost of their drugs |
|---|---|---|
| Novo NordiskOzempic | $611 | $85,37967 claims |
| PfizerEliquis | $177 | $78,53595 claims |
| Johnson & JohnsonXarelto | $87 | $38,09845 claims |
| MerckJanuvia | $20 | $27,96337 claims |
| Astellas Pharma US IncMyrbetriq | $278 | $25,41721 claims |
| GSKTrelegy Ellipta, Anoro Ellipta | $226 | $23,44934 claims |
| Boehringer IngelheimJardiance | $138 | $14,37613 claims |
| AbbVieSynthroid | $532 | $6,42374 claims |
| AstraZenecaSymbicort | $319 | $2,69911 claims |
Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 80th percentile of 971 family medicine providers in Mississippi.
Other family medicine in Jackson
- Alexander OsowaJackson$2.2M
- Andrea PhillipsJackson$268K
- Dava ClevelandJackson$100K
- Massie HeadleyJackson$10K
- Paul MatherneGulfport$14.4M
- Timothy QuinnRidgeland$8M
- Sean KerbyGulfport$6.6M
- Rambod RouhbakhshHattiesburg$6M
- Randall HulingOlive Branch$4.6M
- Demetri MarshallPort Gibson$3M
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.