Kara Castleberry, PA
Physician Assistant · N Charleston, SCNPI 1912275231
Payments from drug & device makers
Across 39 payments — averaging $18.54 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Redhill Biopharma Inc.$108
- Biohaven Pharmaceuticals, Inc.$80
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$68
- GRT US Holding, Inc.$64
- Tersera Therapeutics LLC$58
- Collegium Pharmaceutical, Inc.$44
- plus $301 from 15 others
What the payments were for
- Food & beverage$723100%
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 |
|---|---|---|
| Redhill Biopharma Inc. | 6 | $108 |
| Biohaven Pharmaceuticals, Inc. | 3 | $80 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 3 | $68 |
| GRT US Holding, Inc. | 3 | $64 |
| Tersera Therapeutics LLC | 3 | $58 |
| Collegium Pharmaceutical, Inc. | 3 | $44 |
| AbbVie | 2 | $34 |
| Alnylam Pharmaceuticals Inc. | 2 | $33 |
| Saluda Medical Americas, Inc. | 1 | $28 |
| Almatica Pharma LLC | 2 | $27 |
| Abiomed | 1 | $24 |
| IBSA Pharma Inc. | 1 | $21 |
| Averitas Pharma Inc. | 1 | $19 |
| Azurity Pharmaceuticals, Inc. | 1 | $18 |
| Scilex Pharmaceuticals Inc. | 1 | $17 |
| Virtus Pharmaceuticals LLC | 1 | $16 |
| Pacira Pharmaceuticals Incorporated | 1 | $14 |
| Arbor Pharmaceuticals, Inc. | 1 | $14 |
| Biodelivery Sciences International, Inc. | 1 | $14 |
| Nevro Corp. | 1 | $12 |
| Forte Bio-pharma LLC | 1 | $12 |
How this compares
$723 in reported general payments places this provider in the 60th percentile of 1,852 physician assistant providers in South Carolina.
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 |
|---|---|---|
| Diclofenac Sodium | 32 | $593 |
| Meloxicam | 36 | $144 |
| Oxycodone Hcl | 19 | $116 |
| Ondansetron Hcl | 19 | $96 |
Paid to pharmacies, not to this prescriber.
Other physician assistant in N Charleston
- Benjamin AddyWest Columbia$377K
- Michael OvercashCharleston$210K
- Allison LesterMt Pleasant$163K
- Nicole KeeterFort Mill$129K
- William YoungGreenville$117K
- Stephanie DavisAnderson$78K
- Vicki RobertsWest Columbia$77K
- Eric ShoupColumbia$74K
- Lauren OlsonNorth Charleston$62K
- Martha GreenSummerville$48K
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.