Ruth Campbell, MD
Nephrology · Charleston, SCNPI 1881635092
Payments from drug & device makers
What this record shows
The money is spread across several categories — food and beverage (47.7%), travel and lodging and education — rather than concentrated in one kind of arrangement. Vantive US Healthcare LLC accounts for 68.9% of it on its own, with 5 other manufacturers making up the rest. 2025 is the largest year on record at $1,096, 5.8 times the $188 reported in 2019. That places this record below the midpoint for nephrology clinicians in SC, where the typical reported total is $1,778.
Across 15 payments — averaging $93.32 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Vantive US Healthcare LLC$964
- Mallinckrodt Enterprises LLC$188
- Mallinckrodt Hospital Products Inc.$131
- Calliditas Therapeutics US Inc.$89
- OPKO Pharmaceuticals, LLC$15
- Rockwell Medical, Inc.$13
Across 82 payments — averaging $2037.40 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.
- GSK$167K
What the payments were for
- Travel & lodging$65747%
- Food & beverage$66848%
- Education$755%
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 |
|---|---|---|
| Vantive US Healthcare LLC | 8 | $964 |
| Mallinckrodt Enterprises LLC | 3 | $188 |
| Mallinckrodt Hospital Products Inc. | 1 | $131 |
| Calliditas Therapeutics US Inc. | 1 | $89 |
| OPKO Pharmaceuticals, LLC | 1 | $15 |
| Rockwell Medical, Inc. | 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.
- Renal - Acute$782
- TERLIVAZ$131
- ACTHAR$125
How this compares
$1,400 in reported general payments places this provider in the 45th percentile of 180 nephrology 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 |
|---|---|---|
| JardianceEmpagliflozin | 27 | $27,605 |
| KerendiaFinerenone | 17 | $17,670 |
| VeltassaPatiromer Calcium Sorbitex | 13 | $12,544 |
| LokelmaSodium Zirconium Cyclosilicate | 14 | $9,227 |
| Sevelamer Carbonate | 20 | $2,546 |
| Calcium Acetate | 24 | $1,943 |
| Bumetanide | 28 | $1,323 |
| Eplerenone | 11 | $826 |
| Torsemide | 36 | $737 |
| Potassium Chloride | 19 | $673 |
| Doxazosin Mesylate | 16 | $580 |
| Valsartan | 11 | $570 |
| Nifedipine ErNifedipine | 24 | $531 |
| Spironolactone | 52 | $519 |
| Amlodipine Besylate | 90 | $439 |
Paid to pharmacies, not to this prescriber.
Other nephrology in Charleston
- Harold SzerlipCharleston$229K
- Joshua LipschutzCharleston$44K
- Charles BunkeCharleston$39K
- Anand AchantiCharleston$38K
- Blaithin McMahonCharleston$11K
- Michael MadaioCharleston$10K
- Roberto PisoniCharleston$7K
- Michael CaseyCharleston$5K
- Rohan KatariaCharleston$4K
- Jessica ColemanBeaufort$930K
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.