Mark Fernandez
Internal Medicine · Peru, ILNPI 1033114939
Payments from drug & device makers
Across 74 payments — averaging $16.12 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Amgen$252
- Pfizer$172
- AstraZeneca$121
- GSK$106
- Sunovion Pharmaceuticals Inc.$81
- Boehringer Ingelheim$79
- plus $383 from 13 others
What the payments were for
- Food & beverage$1,193100%
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 |
|---|---|---|
| Amgen | 15 | $252 |
| Pfizer | 10 | $172 |
| AstraZeneca | 9 | $121 |
| GSK | 7 | $106 |
| Sunovion Pharmaceuticals Inc. | 6 | $81 |
| Boehringer Ingelheim | 5 | $79 |
| Novo Nordisk | 4 | $63 |
| Novartis | 4 | $61 |
| Integra Lifesciences Corporation | 1 | $58 |
| Ironshore Pharmaceuticals Inc. | 2 | $35 |
| E.r. Squibb & Sons, L.L.C. | 2 | $28 |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $24 |
| Xeris Pharmaceuticals, Inc. | 1 | $23 |
| Sanofi Pasteur Inc. | 1 | $19 |
| Esperion Therapeutics, Inc. | 1 | $19 |
| Astellas Pharma US Inc | 1 | $18 |
| Radius Health, Inc. | 1 | $12 |
| Merck | 1 | $12 |
| Johnson & Johnson | 1 | $11 |
How this compares
$1,193 in reported general payments places this provider in the 75th percentile of 5,182 internal medicine providers in Illinois.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Sulfasalazine | 24 | $211 |
| Atorvastatin Calcium | 14 | $198 |
| Lisinopril | 16 | $57 |
| Metoprolol Tartrate | 11 | $43 |
Paid to pharmacies, not to this prescriber.
Other internal medicine in Peru
- Dennis LevinsonChicago$25.3M
- Mary BrownRockford$16M
- Andrew BartlettChampaign$4.1M
- Danny SugimotoChicago$4M
- Peter O DonnellChicago$3.9M
- Daniel CatenacciChicago$3.5M
- Jeffrey GeohasEvanston$2.3M
- Patricia WalshChicago$2.1M
- Merle DiamondChicago$1.7M
- Yoko MomoyamaLombard$1.6M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.