Aileen Armstrong, MD
Anesthesiology · Ann Arbor, MINPI 1114046430
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 31 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 10 manufacturers reported payments, led by Chiesi USA, Inc. at 37.0% of the total.
Across 31 payments — averaging $16.18 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Chiesi USA, Inc.$186
- Merck$129
- Medtronic$37
- Edwards Lifesciences$35
- Pacira Pharmaceuticals Incorporated$34
- Mallinckrodt Hospital Products Inc.$31
- plus $50 from 4 others
What the payments were for
- Food & beverage$502100%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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 |
|---|---|---|
| Chiesi USA, Inc. | 13 | $186 |
| Merck | 7 | $129 |
| Medtronic(2 entities) | 2 | $37 |
| Edwards Lifesciences | 1 | $35 |
| Pacira Pharmaceuticals Incorporated | 2 | $34 |
| Mallinckrodt Hospital Products Inc. | 2 | $31 |
| KARL Storz Endoscopy-america | 1 | $14 |
| AbbVie | 1 | $13 |
| Mallinckrodt Enterprises LLC | 1 | $13 |
| Pajunk Medical Systems, LP | 1 | $10 |
How this compares
$502 in reported general payments places this provider in the 85th percentile of 1,299 anesthesiology providers in Michigan.
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 anesthesiology in Ann Arbor
- Neal DuggalAnn Arbor$206K
- David HovordAnn Arbor$48K
- Lauren RicheyAnn Arbor$11K
- Bernard JiangAnn Arbor$9K
- Michael McCaughanAnn Arbor$4K
- Wei LauAnn Arbor$4K
- Stephan FrangakisAnn Arbor$3K
- Ayesha ZaheerAnn Arbor$3K
- John PappasRoyal Oak$112K
- Jay GlobersonSouthfield$79K
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.