Louis Korman
Gastroenterology · Chevy Chase, MDNPI 1447229968
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $14,192 of the $19,210 with a category attached, or 73.9%. 22 manufacturers reported payments, led by E.r. Squibb & Sons, L.L.C. at 39.6% of the total. Reporting peaked in 2019 at $6,763 and has fallen 96.1% since, to $265 in 2025.
Across 139 payments — averaging $138.20 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- E.r. Squibb & Sons, L.L.C.$8K
- Gilead$3K
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$2K
- Takeda Pharmaceuticals U.S.A., Inc.$2K
- Sanofi$2K
- AbbVie$643
- plus $2K from 16 others
Across 540 payments — averaging $3475.69 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.
- Vanda Pharmaceuticals Inc.$574K
- AbbVie$542K
- Gilead$232K
- Pfizer$180K
- Takeda Pharmaceuticals U.S.A., Inc.$99K
- Bristol Myers Squibb$86K
- plus $164K from 5 others
What the payments were for
- Consulting fees$14,19274%
- Travel & lodging$1,1106%
- Food & beverage$3,58819%
- Gifts$3202%
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 |
|---|---|---|
| E.r. Squibb & Sons, L.L.C. | 10 | $7,616 |
| Gilead | 4 | $2,628 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 16 | $2,353 |
| Takeda Pharmaceuticals U.S.A., Inc. | 24 | $1,951 |
| Sanofi | 1 | $1,842 |
| AbbVie(2 entities) | 15 | $643 |
| Johnson & Johnson | 17 | $347 |
| Pfizer | 20 | $337 |
| Braintree Laboratories, Inc. | 3 | $334 |
| Medtronic | 2 | $321 |
| Janssen Scientific Affairs, LLC | 2 | $246 |
| Bristol Myers Squibb | 6 | $186 |
| Ferring Pharmaceuticals Inc. | 4 | $79 |
| Romark Laboratories, LC | 2 | $72 |
| Merck | 4 | $60 |
| Covidien LP | 1 | $57 |
| QOL Medical, LLC | 3 | $35 |
| Intercept Pharmaceuticals, Inc. | 1 | $29 |
| Ironwood Pharmaceuticals, Inc | 1 | $22 |
| Shire North American Group Inc | 1 | $21 |
| UCB, Inc. | 1 | $17 |
| Regeneron Healthcare Solutions, Inc. | 1 | $14 |
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.
How this compares
$19,210 in reported general payments places this provider in the 85th percentile of 455 gastroenterology providers in Maryland.
Other gastroenterology in Chevy Chase
- Zachary BormanChevy Chase$520K
- Erica CohenChevy Chase$385K
- Mohammed AliChevy Chase$49K
- Apurva ModiRockville$1.1M
- Sergey KantsevoyBaltimore$1.1M
- Anurag MaheshwariBaltimore$803K
- Aline Charabaty PishvaianBaltimore$631K
- Mouen KhashabBaltimore$440K
- Natarajan RavendhranCatonsville$367K
- Raymond CrossBaltimore$341K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.