Radha Narayanan
Gastroenterology · Granbury, TXNPI 1528096898
Payments from drug & device makers
Across 103 payments — averaging $15.52 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AbbVie$490
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$433
- Johnson & Johnson$216
- Merck$58
- Intercept Pharmaceuticals, Inc.$51
- Eisai Inc.$41
- plus $310 from 13 others
What the payments were for
- Food & beverage$1,598100%
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 |
|---|---|---|
| AbbVie | 31 | $490 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 35 | $433 |
| Johnson & Johnson(2 entities) | 9 | $216 |
| Merck | 3 | $58 |
| Intercept Pharmaceuticals, Inc. | 4 | $51 |
| Eisai Inc. | 3 | $41 |
| Bayer | 2 | $37 |
| Nestle Healthcare Nutrition Inc. | 2 | $36 |
| Bristol Myers Squibb | 2 | $33 |
| QOL Medical, LLC | 2 | $32 |
| Ardelyx, Inc. | 1 | $26 |
| Braintree Laboratories, Inc. | 2 | $24 |
| Shionogi Inc | 1 | $22 |
| Endo Pharmaceuticals Inc. | 1 | $20 |
| Evoke Pharma, Inc. | 1 | $18 |
| Vivus LLC | 1 | $18 |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $17 |
| Micro-tech Endoscopy USA, Inc. | 1 | $16 |
| Ironwood Pharmaceuticals, Inc | 1 | $11 |
How this compares
$1,598 in reported general payments places this provider in the 30th percentile of 1,350 gastroenterology providers in Texas.
Other gastroenterology in Granbury
- Eric LawitzSan Antonio$59.5M
- George DuvallTyler$17.5M
- John FordtranDallas$9.9M
- Timothy RitterSouthlake$7.7M
- Parvez MantryDallas$6.4M
- Mazen NoureddinHouston$6.1M
- Nadege GunnWaco$5.7M
- Michael BrownDallas$5.5M
- James MaherHouston$5.3M
- Stephen HarrisonLive Oak$5.3M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.