Claude Galphin
Nephrology · Chattanooga, TNNPI 1700883816
Payments from drug & device makers
What this record shows
This record is dominated by travel and lodging: $2,878 of the $3,711 with a category attached, or 77.6%. 12 manufacturers reported payments, led by Boehringer Ingelheim at 58.3% of the total. 2025 is the largest year on record at $2,165, 9.6 times the $226 reported in 2019.
Across 34 payments — averaging $109.14 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Boehringer Ingelheim$2K
- CSL Behring$1K
- AstraZeneca$96
- Otsuka America Pharmaceutical, Inc.$91
- Vifor Pharma, Inc.$42
- Mallinckrodt Hospital Products Inc.$30
- plus $106 from 6 others
Across 749 payments — averaging $2674.88 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.
- Akebia Therapeutics Inc$1.1M
- Vertex$226K
- Otsuka Pharmaceutical Development & Commercialization, Inc.$190K
- AstraZeneca$156K
- Gilead$107K
- CSL Behring$67K
- plus $168K from 9 others
What the payments were for
- Travel & lodging$2,87878%
- Food & beverage$83322%
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 |
|---|---|---|
| Boehringer Ingelheim | 10 | $2,165 |
| CSL Behring | 3 | $1,181 |
| AstraZeneca(2 entities) | 5 | $96 |
| Otsuka America Pharmaceutical, Inc. | 6 | $91 |
| Vifor Pharma, Inc. | 2 | $42 |
| Mallinckrodt Hospital Products Inc. | 1 | $30 |
| ANI Pharmaceuticals, Inc. | 1 | $19 |
| Akebia Therapeutics Inc | 2 | $19 |
| GSK | 1 | $19 |
| OPKO Pharmaceuticals, LLC | 1 | $17 |
| Shire North American Group Inc | 1 | $16 |
| Genentech USA, Inc. | 1 | $16 |
How this compares
$3,711 in reported general payments places this provider in the 75th percentile of 229 nephrology providers in Tennessee.
Other nephrology in Chattanooga
- Rohit GuptaChattanooga$10K
- Hans YehnertChattanooga$4K
- Adam PriceChattanooga$4K
- Christopher MeshbergerChattanooga$4K
- Jamie DwyerNashville$461K
- Ross NesbitKnoxville$452K
- Gerald BorrelliKnoxville$190K
- Volker HaaseNashville$123K
- Chike NzerueCookeville$95K
- Talat IkizlerNashville$93K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.