Aaron Block
Family Medicine · Castle Rock, CONPI 1437578762
Payments from drug & device makers
What this record shows
The money is spread across several categories — speaking fees (56.2%), food and beverage and travel and lodging — rather than concentrated in one kind of arrangement. AbbVie accounts for 61.8% of it on its own, with 27 other manufacturers making up the rest. Reporting peaked in 2020 at $5,275 and has fallen 56.7% since, to $2,287 in 2025. Among family medicine clinicians in CO 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 324 payments — averaging $52.72 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AbbVie$11K
- AstraZeneca$916
- Johnson & Johnson$891
- Amgen$701
- Viiv Healthcare Company$623
- Novo Nordisk$601
- plus $3K from 22 others
What the payments were for
- Speaking & faculty fees$9,60056%
- Travel & lodging$4843%
- Food & beverage$6,96741%
- Education$290%
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 |
|---|---|---|
| AbbVie(2 entities) | 75 | $10,562 |
| AstraZeneca | 23 | $916 |
| Johnson & Johnson(2 entities) | 55 | $891 |
| Amgen | 16 | $701 |
| Viiv Healthcare Company | 15 | $623 |
| Novo Nordisk | 28 | $601 |
| Gilead | 12 | $429 |
| Lilly USA, LLC | 12 | $382 |
| Sanofi-aventis U.S. LLC | 9 | $357 |
| Amarin Pharma, Inc. | 36 | $329 |
| Takeda Pharmaceuticals U.S.A., Inc. | 10 | $256 |
| Merck | 5 | $160 |
| Angiodynamics, Inc. | 1 | $127 |
| Medtronic | 1 | $126 |
| Abiomed | 1 | $117 |
| Pfizer | 6 | $108 |
| Dynavax Technologies Corporation | 1 | $81 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 4 | $49 |
| Lucid Diagnostics Inc. | 1 | $37 |
| Teva Pharmaceuticals USA, Inc. | 3 | $37 |
| Astellas Pharma US Inc | 2 | $35 |
| Abbott | 1 | $35 |
| Boehringer Ingelheim | 2 | $34 |
| Antares Pharma, Inc. | 1 | $22 |
| Novartis | 1 | $20 |
| Exeltis, USA Inc. | 1 | $17 |
| Cleerly, Inc. | 1 | $15 |
| Biohaven Pharmaceuticals, Inc. | 1 | $12 |
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
$17,080 in reported general payments places this provider in the 95th percentile of 2,079 family medicine providers in Colorado.
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 |
|---|---|---|
| Doxycycline Hyclate | 49 | $562 |
| Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav | 19 | $221 |
| Methylprednisolone | 25 | $211 |
| Cephalexin | 41 | $165 |
| Prednisone | 56 | $157 |
| Azithromycin | 11 | $41 |
Paid to pharmacies, not to this prescriber.
Other family medicine in Castle Rock
- Belton HallmarkCastle Rock$19K
- Ethan LazarusDenver$688K
- Michael de NardisLarkspur$335K
- Matthew YoungColorado Springs$270K
- Mark DeutchmanDenver$258K
- Kari UusinarkausWoodland Park$254K
- Michael MeekerUsaf Academy$174K
- Carolynn Francavilla BrownLakewood$174K
- Lawrence AndrewsColorado Springs$102K
- Gregory MaederWestminster$95K
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.