Thomas McMahon, MD
Surgery · Anaconda, MTNPI 1558399709
Payments from drug & device makers
What this record shows
This record is dominated by education: $13,000 of the $15,929 with a category attached, or 81.6%. Intuitive Surgical accounts for 87.3% of it on its own, with 5 other manufacturers making up the rest. Reporting peaked in 2022 at $14,170 and has fallen 99.2% since, to $111 in 2024.
Across 40 payments — averaging $398.23 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Intuitive Surgical$14K
- Globus Medical$2K
- Stryker$195
- Johnson & Johnson$118
- Orthofix Medical, Inc.$71
- Medtronic$39
What the payments were for
- Travel & lodging$1,1357%
- Food & beverage$1,79411%
- Education$13,00082%
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 |
|---|---|---|
| Intuitive Surgical | 12 | $13,910 |
| Globus Medical(2 entities) | 17 | $1,596 |
| Stryker | 5 | $195 |
| Johnson & Johnson | 4 | $118 |
| Orthofix Medical, Inc. | 1 | $71 |
| Medtronic | 1 | $39 |
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.
- DAVINCI XI$13,000
- Da Vinci Surgical System$715
- ALIF$343
- ELSA$145
- Hedron$128
- Excelsius Robotics System$127
- Excelsius - GPS$126
- MAGNIFY$124
How this compares
$15,929 in reported general payments places this provider in the 85th percentile of 96 surgery providers in Montana.
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 surgery in Anaconda
- John MeansKalispell$72K
- Matthew SilvaMissoula$59K
- Michael WilcoxBillings$45K
- James CromieKalispell$35K
- Jacob OpferBozeman$29K
- Bret MurrayBillings$27K
- Ryan GunliksonWhitefish$26K
- Emily BubbersHelena$23K
- Katie DawsonButte$22K
- Robin HapeBozeman$20K
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.