David Mauerhan
Orthopaedic Surgery · Charlotte, NCNPI 1649202557
Payments from drug & device makers
What this record shows
This record is dominated by royalties or licence payments: $983,901 of the $1,005,672 with a category attached, or 97.8%. Every reported general payment came from a single manufacturer, Zimmer Biomet. Reporting peaked in 2019 at $263,752 and has fallen 72.8% since, to $71,636 in 2025. Among orthopaedic surgery clinicians in NC 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 67 payments — averaging $15,010 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Zimmer Biomet$1M
What the payments were for
- Royalty or licence$983,90198%
- Consulting fees$19,6252%
- Travel & lodging$1,7560%
- Food & beverage$3910%
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 | 67 | $1,005,672 |
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.
- Oxford$471,956
- Oxford-Knees$461,591
- OXFORD PARTIAL KNEE$71,636
How this compares
$1,005,672 in reported general payments places this provider in the 95th percentile of 845 orthopaedic surgery providers in North Carolina.
Other orthopaedic surgery in Charlotte
- Thomas FehringCharlotte$18.3M
- Walter BeaverCharlotte$7.4M
- Robert AndersonCharlotte$6.6M
- John MasonCharlotte$5.7M
- William DavisCharlotte$5.2M
- John EllingtonCharlotte$4.9M
- Carroll JonesCharlotte$3.6M
- John MasonisCharlotte$3.4M
- Bruce CohenCharlotte$2.4M
- Anthony KwonCharlotte$1.9M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.