Natan Bar-Chama
Urology · New York, NYNPI 1366426652
Payments from drug & device makers
Across 58 payments — averaging $1322.68 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- F. Hoffmann-la Roche AG$46K
- Genentech, Inc.$23K
- Genentech USA, Inc.$7K
- Endo USA, Inc.$275
- Antares Pharma, Inc.$210
- Coopersurgical, Inc.$159
- plus $487 from 5 others
Across 27 payments — averaging $8007.76 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.
- Genentech, Inc.$204K
- F. Hoffmann-la Roche AG$12K
What the payments were for
- Consulting fees$52,09868%
- Travel & lodging$21,65828%
- Food & beverage$2,9614%
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 |
|---|---|---|
| F. Hoffmann-la Roche AG | 15 | $45,589 |
| Genentech, Inc. | 10 | $22,997 |
| Genentech USA, Inc. | 6 | $6,998 |
| Endo USA, Inc. | 2 | $275 |
| Antares Pharma, Inc. | 5 | $210 |
| Coopersurgical, Inc. | 2 | $159 |
| Endo Pharmaceuticals Inc. | 7 | $149 |
| Amgen | 1 | $125 |
| AbbVie | 5 | $120 |
| Aytu Biopharma, Inc. | 3 | $61 |
| Acerus Pharmaceuticals Corporation | 2 | $32 |
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.
How this compares
$76,716 in reported general payments places this provider in the 90th percentile of 952 urology providers in New York.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Anastrozole | 15 | $35 |
Paid to pharmacies, not to this prescriber.
Other urology in New York
- Guarionex DecastroNew York$5.7M
- James McKiernanNew York$4.1M
- William HuangNew York$3.9M
- Ashutosh TewariNew York$2.5M
- Bilal ChughtaiNew York$1.5M
- Nils Peter WiklundNew York$1M
- Herbert LeporNew York$823K
- Christopher AndersonNew York$785K
- Katie MurrayNew York$776K
- John SfakianosNew York$726K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.