Landon Massoth, MD
Otolaryngology · Tulsa, OKNPI 1497169734
Payments from drug & device makers
What this record shows
This record is dominated by food and beverage: $2,778 of the $4,372 with a category attached, or 63.5%. 18 manufacturers reported payments, led by Intersect ENT, Inc. at 40.1% of the total. Reporting peaked in 2019 at $1,809 and has fallen 52.9% since, to $851 in 2025.
Across 95 payments — averaging $46.02 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Intersect ENT, Inc.$2K
- Regeneron Healthcare Solutions, Inc.$596
- Sanofi$470
- GSK$246
- Medtronic$231
- Stryker$181
- plus $893 from 12 others
What the payments were for
- Travel & lodging$1,18827%
- Food & beverage$2,77864%
- Education$4069%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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 |
|---|---|---|
| Intersect ENT, Inc. | 10 | $1,754 |
| Regeneron Healthcare Solutions, Inc. | 21 | $596 |
| Sanofi | 24 | $470 |
| GSK | 14 | $246 |
| Medtronic | 1 | $231 |
| Stryker | 4 | $181 |
| Smith+Nephew | 1 | $176 |
| Neurent Medical Limited | 1 | $162 |
| Acclarent, Inc | 2 | $155 |
| Optinose US, Inc. | 7 | $133 |
| Sanofi-aventis U.S. LLC | 1 | $99 |
| Amgen | 2 | $48 |
| Integra Lifesciences Corporation | 2 | $36 |
| Jubilant Hollisterstier LLC | 1 | $22 |
| ARS Pharmaceuticals Operations, Inc. | 1 | $21 |
| Paratek Pharmaceuticals, Inc. | 1 | $16 |
| ZOLL Respicardia, Inc. | 1 | $14 |
| Alk-abello, Inc | 1 | $12 |
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.
- SINUVA$1,672
- PROPEL$1,530
- FUSION$231
- PROCISE MAX$176
- NEUROMARK System$162
- NEUROMARK Radiofrequency Console$162
- TruDi Nav Cable$125
How this compares
$4,372 in reported general payments places this provider in the 80th percentile of 109 otolaryngology providers in Oklahoma.
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.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Azelastine Hcl | 39 | $1,135 |
| Ipratropium Bromide | 38 | $1,128 |
| Doxycycline Hyclate | 28 | $273 |
| Acetazolamide | 12 | $177 |
| Mupirocin | 13 | $91 |
| Ibuprofen | 17 | $77 |
| Ondansetron OdtOndansetron | 16 | $75 |
| Oxycodone Hcl | 23 | $55 |
Paid to pharmacies, not to this prescriber.
Other otolaryngology in Tulsa
- Lacy BrameTulsa$4K
- Mason SkinnerTulsa$4K
- William HawkinsTulsa$4K
- Jacob BurdettTulsa$3K
- David HallTulsa$3K
- Spencer VothTulsa$3K
- Benjamin BrownleeTulsa$2K
- Chris SiemensTulsa$2K
- Tom HamiltonTulsa$2K
- Evan MooreTulsa$2K
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.