Gregory Merrick
Radiation Oncology · Wheeling, WVNPI 1992774673
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $18,375 of the $20,727 with a category attached, or 88.7%. Theragenics Corporation accounts for 96.2% of it on its own, with 10 other manufacturers making up the rest. 2025 is the largest year on record at $10,281, more than ten times the $780 reported in 2019. Among radiation oncology clinicians in WV with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 73 payments — averaging $283.93 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Theragenics Corporation$20K
- Astellas Pharma US Inc$193
- Ferring Pharmaceuticals Inc.$190
- Bayer$95
- Pfizer$76
- Merck$73
- plus $167 from 5 others
Across 47 payments — averaging $2621.31 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.
- Theragenics Corporation$58K
- Bayer$48K
- AstraZeneca$18K
What the payments were for
- Consulting fees$18,37589%
- Travel & lodging$7974%
- Food & beverage$1,5547%
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 |
|---|---|---|
| Theragenics Corporation | 17 | $19,933 |
| Astellas Pharma US Inc | 12 | $193 |
| Ferring Pharmaceuticals Inc. | 18 | $190 |
| Bayer | 6 | $95 |
| Pfizer | 5 | $76 |
| Merck | 4 | $73 |
| Boston Scientific | 3 | $53 |
| Dendreon Pharmaceuticals LLC | 4 | $51 |
| Tolmar Pharmaceuticals, Inc. | 2 | $35 |
| Sun Pharmaceutical Industries Inc. | 1 | $16 |
| Johnson & Johnson | 1 | $13 |
How this compares
$20,727 in reported general payments places this provider in the 95th percentile of 29 radiation oncology providers in West Virginia.
Other radiation oncology in Wheeling
- Jondavid PollockWheeling$1K
- Greeshma Rajeev-KumarWheeling$891
- John VarlottoHuntington$120K
- David ShimmBeckley$5K
- Paul AdedoyinHuntington$3K
- Benjamin YanMorgantown$2K
- Michael GallowayElkins$1K
- Jon-Michael StorkMorgantown$1K
- Sanjeev SharmaHuntington$1K
- Hayley StoweCharleston$698
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.