Spencer Berthelsen
Internal Medicine · Sugar Land, TXNPI 1295763290
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $889,834 of the $891,083 with a category attached, or 99.9%. Every reported general payment came from a single manufacturer, Ionis Pharmaceuticals, Inc.. Among internal medicine clinicians in TX 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 12 payments — averaging $74,257 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Ionis Pharmaceuticals, Inc.$891K
What the payments were for
- Speaking & faculty fees$889,834100%
- Travel & lodging$7980%
- Food & beverage$4020%
- Gifts$500%
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 |
|---|---|---|
| Ionis Pharmaceuticals, Inc. | 12 | $891,083 |
How this compares
$891,083 in reported general payments places this provider in the 95th percentile of 7,675 internal medicine providers in Texas.
Other internal medicine in Sugar Land
- Bartley GillSugar Land$218K
- Hameed AliTemple$773K
- Marc TribbleDallas$693K
- Gary SinclairDallas$599K
- Mohammed Al-NajjarEl Paso$586K
- Han SchmidlyDallas$465K
- Hussein TawbiHouston$365K
- Hans LeeHouston$327K
- Tapan KadiaHouston$311K
- Nitin JainHouston$281K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.