Eric Chang
Gynecology · Buffalo, NYNPI 1538321203
Payments from drug & device makers
What this record shows
This record is dominated by food and beverage: $2,580 of the $3,319 with a category attached, or 77.7%. It is spread thinly across 20 manufacturers, the largest accounting for just 20.3% — the pattern of someone who eats at a lot of different presentations. Reporting peaked in 2019 at $978 and has fallen 79.3% since, to $202 in 2025.
Across 96 payments — averaging $34.57 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Boston Scientific$675
- Ferring Pharmaceuticals Inc.$472
- Ascendis Pharma Endocrinology Inc$387
- Coopersurgical, Inc.$315
- Organon$300
- Novo Nordisk$292
- plus $877 from 14 others
Across 1 payment — averaging $410.00 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.
- Medtronic$410
What the payments were for
- Speaking & faculty fees$67520%
- Food & beverage$2,58078%
- Education$642%
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 |
|---|---|---|
| Boston Scientific | 1 | $675 |
| Ferring Pharmaceuticals Inc. | 22 | $472 |
| Ascendis Pharma Endocrinology Inc | 4 | $387 |
| Coopersurgical, Inc. | 5 | $315 |
| Organon | 6 | $300 |
| Novo Nordisk | 12 | $292 |
| AbbVie | 10 | $226 |
| EMD Serono, Inc. | 9 | $149 |
| Pfizer | 5 | $93 |
| Galen US Inc | 4 | $87 |
| Cook Medical LLC | 5 | $75 |
| Medtronic | 2 | $52 |
| AMAG Pharmaceuticals, Inc. | 3 | $51 |
| Sumitomo Pharma America, Inc. | 2 | $34 |
| Lilly USA, LLC | 1 | $23 |
| Mayne Pharma Commercial LLC | 1 | $22 |
| Therapeuticsmd, Inc. | 1 | $20 |
| Myovant Sciences Inc. | 1 | $15 |
| Smith+Nephew | 1 | $15 |
| Duchesnay USA Incorporated | 1 | $15 |
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.
- SYMPHION$675
- SKYTROFA$237
- Wegovy$125
- MENOPUR$121
- IVF Products$103
How this compares
$3,319 in reported general payments places this provider in the 80th percentile of 240 gynecology providers in New York.
Other gynecology in Buffalo
- Arnold AdvinculaNew York$2.1M
- Stephen CohenSyracuse$204K
- Susan KhalilStaten Island$115K
- Diane SutterKenmore$95K
- Tamara KolevNew York$91K
- Shane SoppSyracuse$84K
- Charles Ascher-WalshNew York$43K
- Paula CastanoNew York$31K
- David KurssWilliamsville$25K
- Navpriya OberoiFayetteville$25K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.