James Singer
Gastroenterology · Glendale, AZNPI 1962478818
Payments from drug & device makers
Across 193 payments — averaging $15.63 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AbbVie$523
- Gilead$500
- Takeda Pharmaceuticals U.S.A., Inc.$431
- Johnson & Johnson$391
- Pfizer$165
- Sanofi$143
- plus $864 from 16 others
What the payments were for
- Food & beverage$3,016100%
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(2 entities) | 29 | $523 |
| Gilead | 34 | $500 |
| Takeda Pharmaceuticals U.S.A., Inc. | 23 | $431 |
| Johnson & Johnson | 37 | $391 |
| Pfizer | 10 | $165 |
| Sanofi | 5 | $143 |
| Ironwood Pharmaceuticals, Inc | 7 | $113 |
| Ardelyx, Inc. | 6 | $110 |
| Bristol Myers Squibb | 7 | $110 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 7 | $97 |
| Ferring Pharmaceuticals Inc. | 5 | $91 |
| Regeneron Healthcare Solutions, Inc. | 2 | $66 |
| Intercept Pharmaceuticals, Inc. | 4 | $65 |
| Merck | 4 | $60 |
| Shionogi Inc | 3 | $37 |
| Fresenius Kabi USA, LLC | 1 | $33 |
| Amgen | 1 | $25 |
| Daiichi Sankyo Inc. | 1 | $16 |
| Oxford Immunotec USA Inc | 1 | $15 |
| Redhill Biopharma Inc. | 1 | $13 |
| Shire North American Group Inc | 1 | $12 |
| Gastrogpo, LLC | 4 | $0 |
How this compares
$3,016 in reported general payments places this provider in the 35th percentile of 355 gastroenterology providers in Arizona.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Omeprazole | 53 | $699 |
Paid to pharmacies, not to this prescriber.
Other gastroenterology in Glendale
- Akash NabhGlendale$142K
- Joseph DavisChandler$7.4M
- Sam MoussaTucson$3.9M
- Manreet KaurScottsdale$2.5M
- Bassel KissoTucson$2.3M
- Fadi DeebTucson$1.5M
- Chirag TrivediSun City$954K
- Joel BrillParadise Valley$850K
- Daniel MelineScottsdale$795K
- Moises Nevah RubinPhoenix$763K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.