Kristen Carter, MD
Surgical Critical Care · Ann Arbor, MINPI 1184018103
Payments from drug & device makers
What this record shows
The money is spread across several categories — travel and lodging (44.8%), food and beverage and education — rather than concentrated in one kind of arrangement. 9 manufacturers reported payments, led by Zimmer Biomet at 28.7% of the total. Reporting peaked in 2021 at $3,182 and has fallen 94.7% since, to $167 in 2024.
Across 59 payments — averaging $119.03 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Zimmer Biomet$2K
- Intuitive Surgical$2K
- Edwards Lifesciences$2K
- Baxter Healthcare$1K
- Medtronic$119
- Atricure, Inc.$111
- plus $186 from 3 others
What the payments were for
- Travel & lodging$3,14445%
- Food & beverage$2,87941%
- Education$1,00014%
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 |
|---|---|---|
| Zimmer Biomet | 20 | $2,017 |
| Intuitive Surgical | 9 | $1,807 |
| Edwards Lifesciences | 9 | $1,515 |
| Baxter Healthcare | 12 | $1,268 |
| Medtronic | 2 | $119 |
| Atricure, Inc. | 1 | $111 |
| W. L. Gore & Associates, Inc. | 1 | $93 |
| Takeda Pharmaceuticals U.S.A., Inc. | 4 | $69 |
| KCI USA, Inc. | 1 | $23 |
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.
- Da Vinci Surgical System$1,504
- AdvantageRib$722
- SEPRAFILM$359
- PerClot$132
- COSEAL$125
- TISSEEL$120
- RibFix Blu$119
- ATRICURE CRYOICE CRYOSPHERE CRYOABLATION SYSTEM$111
How this compares
$7,023 in reported general payments places this provider in the 75th percentile of 70 surgical critical care 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 surgical critical care in Ann Arbor
- Lena NapolitanoAnn Arbor$119K
- Andrew BenjaminAnn Arbor$8K
- Gary VercruysseAnn Arbor$4K
- Roger RamcharanAnn Arbor$2K
- Brian GeorgeAnn Arbor$633
- Raymond JeanAnn Arbor$481
- Mary HunterAnn Arbor$440
- Kajal MehtaAnn Arbor$151
- Robert SawyerKalamazoo$31K
- John SharpeSaginaw$30K
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.