Merita Tan
Obstetrics & Gynecology · Chicago, ILNPI 1588676555
Payments from drug & device makers
What this record shows
This record is dominated by food and beverage: $1,337 of the $1,600 with a category attached, or 83.6%. 20 manufacturers reported payments, led by AbbVie at 34.5% of the total. Reporting peaked in 2019 at $871 and has fallen 92.6% since, to $64 in 2025.
Across 74 payments — averaging $21.62 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AbbVie$551
- Hitachi Healthcare Americas Corp.$203
- Roche Diagnostics Corporation$128
- Merck$93
- Exeltis, USA Inc.$86
- Lupin Inc.$67
- plus $471 from 14 others
What the payments were for
- Food & beverage$1,33784%
- Education$594%
- Entertainment$20313%
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) | 28 | $551 |
| Hitachi Healthcare Americas Corp. | 1 | $203 |
| Roche Diagnostics Corporation | 6 | $128 |
| Merck | 7 | $93 |
| Exeltis, USA Inc. | 4 | $86 |
| Lupin Inc. | 4 | $67 |
| Bayer | 3 | $66 |
| AMAG Pharmaceuticals, Inc. | 3 | $59 |
| Therapeuticsmd, Inc. | 3 | $57 |
| Pfizer | 2 | $42 |
| Organon | 2 | $42 |
| Astellas Pharma US Inc | 1 | $30 |
| Mission Pharmacal Company | 2 | $28 |
| Mayne Pharma Commercial LLC | 1 | $27 |
| Vertical Pharmaceuticals, LLC | 2 | $27 |
| Exact Sciences | 1 | $25 |
| Sage Therapeutics, LLC | 1 | $20 |
| Biogen | 1 | $17 |
| Dysis Medical, Inc. | 1 | $17 |
| Coopersurgical, Inc. | 1 | $13 |
How this compares
$1,600 in reported general payments places this provider in the 75th percentile of 1,732 obstetrics & gynecology providers in Illinois.
Other obstetrics & gynecology in Chicago
- Lee ShulmanChicago$559K
- Maria TamChicago$378K
- Gregory UrsinoChicago$242K
- Ayman Al-HendyChicago$135K
- Nicole TaskerChicago$125K
- Teresa HubkaChicago$62K
- Magdy MiladChicago$57K
- Angela ChaudhariChicago$52K
- Carlos Sandoval-HerreraChicago$43K
- Ashlesha PatelChicago$39K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.