Mark Vanderwel
Pediatric Endocrinology · Charlotte, NCNPI 1740212901
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $36,975 of the $41,517 with a category attached, or 89.1%. 23 manufacturers reported payments, led by Xeris Pharmaceuticals, Inc. at 47.8% of the total. Reporting peaked in 2020 at $19,414 and has fallen 96.0% since, to $781 in 2025. Among pediatric endocrinology 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 121 payments — averaging $343.12 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Xeris Pharmaceuticals, Inc.$20K
- Lilly USA, LLC$11K
- Abbott$5K
- Ascendis Pharma Endocrinology Inc$2K
- Vistapharm, Inc.$1K
- Novo Nordisk$640
- plus $2K from 17 others
Across 1 payment — averaging $568.75 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Eli Lilly$569
What the payments were for
- Consulting fees$1,6864%
- Speaking & faculty fees$36,97589%
- Travel & lodging$1140%
- Food & beverage$2,5996%
- Education$1440%
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 |
|---|---|---|
| Xeris Pharmaceuticals, Inc. | 26 | $19,835 |
| Lilly USA, LLC | 15 | $10,925 |
| Abbott | 7 | $4,636 |
| Ascendis Pharma Endocrinology Inc | 10 | $2,092 |
| Vistapharm, Inc. | 1 | $1,280 |
| Novo Nordisk | 11 | $640 |
| Tandem Diabetes Care, Inc. | 6 | $545 |
| AbbVie | 22 | $473 |
| Eli Lilly | 1 | $406 |
| Dexcom, Inc. | 3 | $134 |
| Medtronic(2 entities) | 2 | $132 |
| Neurocrine Biosciences, Inc. | 3 | $85 |
| Sanofi-aventis U.S. LLC | 2 | $64 |
| Pfizer | 2 | $54 |
| Insulet Corporation | 2 | $47 |
| Tolmar Pharmaceuticals, Inc. | 1 | $27 |
| BETA Bionics, Inc. | 1 | $25 |
| Sequel Med Tech, LLC | 1 | $24 |
| Azurity Pharmaceuticals, Inc. | 1 | $23 |
| Endo USA, Inc. | 1 | $21 |
| Mannkind Corporation | 1 | $20 |
| Endo Pharmaceuticals Inc. | 1 | $18 |
| Eton Pharmaceuticals, Inc. | 1 | $13 |
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.
- GVOKE PFS$19,788
- BAQSIMI$10,925
- FreeStyle Libre Pro$4,613
- SKYTROFA$1,875
- Thyquidity$1,280
- t:slim X2 Insulin Pump with Control-IQ$283
- Norditropin$241
- Lupron Depot$226
- Minimed 670G System$119
How this compares
$41,517 in reported general payments places this provider in the 95th percentile of 46 pediatric endocrinology providers in North Carolina.
See all pediatric endocrinology providers in North Carolina →
Other pediatric endocrinology in Charlotte
- Jakub MieszczakCharlotte$34K
- Henry RohrsCharlotte$4K
- Sungeeta AgrawalCharlotte$3K
- Lisa HouchinCharlotte$2K
- Mark ParkerCharlotte$606
- Christopher BlundenCharlotte$465
- Frances BullardCharlotte$145
- Malaka JacksonCharlotte$131
- Jennifer LawChapel Hill$40K
- Nina JainSanford$22K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.