Nabil Altememi, MD
Sleep Medicine · Chevy Chase, MDNPI 1699096529
Payments from drug & device makers
What this record shows
This record is dominated by food and beverage: $1,339 of the $2,136 with a category attached, or 62.7%. 12 manufacturers reported payments, led by Inspire Medical Systems, Inc. at 54.3% of the total. Reporting peaked in 2022 at $1,084 and has fallen 64.0% since, to $391 in 2025.
Across 33 payments — averaging $64.73 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Inspire Medical Systems, Inc.$1K
- AbbVie$337
- Jazz Pharmaceuticals Inc.$146
- Argenx US, Inc.$122
- Philips North America LLC$96
- Axsome Therapeutics, Inc.$93
- plus $183 from 6 others
What the payments were for
- Travel & lodging$79737%
- Food & beverage$1,33963%
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 |
|---|---|---|
| Inspire Medical Systems, Inc. | 3 | $1,159 |
| AbbVie(2 entities) | 14 | $337 |
| Jazz Pharmaceuticals Inc. | 2 | $146 |
| Argenx US, Inc. | 1 | $122 |
| Philips North America LLC | 1 | $96 |
| Axsome Therapeutics, Inc. | 3 | $93 |
| Eisai Inc. | 2 | $44 |
| Teva Pharmaceuticals USA, Inc. | 2 | $40 |
| Sunovion Pharmaceuticals Inc. | 2 | $39 |
| Pfizer | 1 | $27 |
| Abbott | 1 | $19 |
| CSL Behring | 1 | $15 |
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.
- Inspire Upper Airway Stimulation System$1,061
- VYVGART$122
- SUNOSI$122
How this compares
$2,136 in reported general payments places this provider in the 75th percentile of 41 sleep medicine providers in Maryland.
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 |
|---|---|---|
| Memantine Hcl | 24 | $868 |
| Donepezil Hcl | 30 | $422 |
| Gabapentin | 12 | $304 |
| Clonazepam | 24 | $146 |
Paid to pharmacies, not to this prescriber.
Other sleep medicine in Chevy Chase
- Danielle MandirChevy Chase$161
- Syed AhmedGermantown$75K
- Asefa MekonnenRockville$28K
- Pamela HowardRockville$14K
- Konrad BakkerFrederick$8K
- Amandeep BawaBaltimore$7K
- Stephanie WappelTowson$4K
- Talar KachechianRockville$4K
- Catherine GriffinBaltimore$3K
- Kanaiyalal PatelGreenbelt$3K
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.