Darren Brennan
Diagnostic Radiology · Marlborough, MANPI 1710904172
Payments from drug & device makers
Across 534 payments — averaging $3438.26 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Merck$358K
- Acerta Pharma LLC$299K
- GSK$172K
- Pharmacyclics LLC, An Abbvie Company$170K
- Astrazeneca UK Limited$165K
- E.r. Squibb & Sons, L.L.C.$149K
- plus $522K from 15 others
Across 23 payments — averaging $7163.42 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.
- E.r. Squibb & Sons, L.L.C.$73K
- Regeneron$37K
- Celltrion, Inc.$23K
- Pharmacyclics LLC, An Abbvie Company$21K
- Hoffmann-la Roche Limited$7K
- Halozyme Inc$3K
- plus $921 from 2 others
What the payments were for
- Consulting fees$478,465100%
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 |
|---|---|---|
| Merck | 191 | $358,405 |
| Acerta Pharma LLC | 12 | $299,031 |
| GSK | 46 | $172,052 |
| Pharmacyclics LLC, An Abbvie Company | 52 | $169,885 |
| Astrazeneca UK Limited | 19 | $165,273 |
| E.r. Squibb & Sons, L.L.C. | 18 | $149,125 |
| Pfizer | 48 | $112,650 |
| Roche Products Limited | 11 | $97,775 |
| EMD Serono, Inc. | 40 | $93,090 |
| Agile Devices, Inc. | 8 | $53,078 |
| Hoffmann-la Roche Limited | 10 | $43,545 |
| F. Hoffmann-la Roche AG | 11 | $26,540 |
| AstraZeneca | 1 | $19,050 |
| Janssen Research & Development, LLC | 14 | $17,715 |
| Halozyme Inc | 11 | $16,060 |
| AbbVie | 16 | $11,445 |
| Verastem, Inc. | 15 | $11,115 |
| Morphosys AG | 2 | $7,494 |
| Genentech, Inc. | 1 | $7,343 |
| Bristol Myers Squibb | 3 | $4,460 |
| Secura Bio, Inc. | 5 | $900 |
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.
How this compares
$1,836,029 in reported general payments places this provider in the 95th percentile of 1,206 diagnostic radiology providers in Massachusetts.
Other diagnostic radiology in Marlborough
- Stephan AndersonBoston$4.8M
- Gregg MillerBoston$4.2M
- Anthony SamirBoston$2.5M
- Mukesh HarisinghaniBoston$2.5M
- Albert YooBoston$2.1M
- Andrew KompelBoston$2M
- Ashraf ThabetBoston$2M
- Shadi Abdar EsfahaniFramingham$1.9M
- Ali GuermaziWest Roxbury$1.8M
- Subba DigumarthyBoston$1.7M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.