Leigh Perreault, MD
Endocrinology, Diabetes & Metabolism · Boulder, CONPI 1669562344
Payments from drug & device makers
Across 1,583 payments — averaging $1047.13 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Lilly USA, LLC$496K
- Novo Nordisk$483K
- Boehringer Ingelheim$260K
- Sanofi-aventis U.S. LLC$122K
- AstraZeneca$75K
- Bayer$52K
- plus $169K from 9 others
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 |
|---|---|---|
| Lilly USA, LLC | 571 | $495,927 |
| Novo Nordisk | 380 | $483,498 |
| Boehringer Ingelheim | 292 | $260,492 |
| Sanofi-aventis U.S. LLC | 49 | $122,125 |
| AstraZeneca | 86 | $75,311 |
| Bayer | 58 | $51,585 |
| Merck | 38 | $45,268 |
| Boehringer Ingelheim International GmbH | 36 | $42,730 |
| Johnson & Johnson | 26 | $33,971 |
| Eli Lilly | 33 | $31,483 |
| Novo Nordisk AS | 9 | $11,610 |
| Ascendis Pharma Endocrinology Inc | 2 | $3,540 |
| Amarin Pharma, Inc. | 1 | $28 |
| Amryt Pharma Holdings Ltd | 1 | $27 |
| Mannkind Corporation | 1 | $18 |
How this compares
$1,657,614 in reported general payments places this provider in the 95th percentile of 120 endocrinology, diabetes & metabolism providers in Colorado.
See all endocrinology, diabetes & metabolism 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.
Other endocrinology, diabetes & metabolism in Boulder
- Vinaya KamathBoulder$1K
- Satish GargAurora$8.6M
- Neda RasouliAurora$6.7M
- Viralkumar ShahAurora$2.1M
- Halis AkturkAurora$1.8M
- Daniel BessesenDenver$1.2M
- Lori GerardEnglewood$786K
- Leonard ZemelDenver$728K
- Bryan HaugenAurora$714K
- Sarit PolskyAurora$575K
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.