Darren Brennan
Diagnostic Radiology · Marlborough, MANPI 1710904172
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $478,465 of the $478,465 with a category attached, or 100.0%. Merck accounts for 74.9% of it on its own, with 3 other manufacturers making up the rest. Reporting peaked in 2019 at $200,765 and has fallen 97.8% since, to $4,500 in 2022. Among diagnostic radiology clinicians in MA 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 244 payments — averaging $1960.92 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Merck$358K
- Pfizer$113K
- Janssen Research & Development, LLC$5K
- Acerta Pharma LLC$3K
Across 305 payments — averaging $4817.20 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.
- Acerta Pharma LLC$296K
- E.r. Squibb & Sons, L.L.C.$222K
- Pharmacyclics LLC, An Abbvie Company$190K
- GSK$173K
- Astrazeneca UK Limited$165K
- Roche Products Limited$98K
- plus $325K from 14 others
Across 8 payments — averaging $6634.69 each. An ownership or investment interest held by the physician or an immediate family member.
- Agile Devices, Inc.$53K
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 |
| Pfizer | 48 | $112,650 |
| Janssen Research & Development, LLC | 3 | $4,500 |
| Acerta Pharma LLC | 2 | $2,910 |
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
$478,465 in reported general payments places this provider in the 95th percentile of 1,206 diagnostic radiology providers in Massachusetts.
Other diagnostic radiology in Marlborough
- Gregg MillerBoston$1.8M
- Ali GuermaziWest Roxbury$1.8M
- Stephan AndersonBoston$1.6M
- Ajay WakhlooWorcester$1.5M
- Ashraf ThabetBoston$1.4M
- Mukesh HarisinghaniBoston$1.4M
- Andrew KompelBoston$1.3M
- Elaine IuanowBoston$590K
- Subba DigumarthyBoston$561K
- Michael SteignerBoston$504K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.