David Robert Chang, M.D.
NPI 1992970941ActiveIndividual· Anesthesiology· Brooklyn, NY
Anesthesiology (M.D.) in Brooklyn, New York, trained at State University of New York Downstate Medical Center (class of 2008). Medicare paid $56,548 for services to 489 patients in 2024. Celltrion USA Inc. was the largest of 4 companies reporting payments in 2025, $217.04 in all, mostly food and beverage.
Overview
| NPI | 1992970941 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 29, 2008 |
| Last updated in NPPES | Oct 9, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 263594 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 489 |
|---|---|
| Services billed | 513 across 4 procedure codes |
| Paid by Medicare | $56,548 |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Anesthesiology |
Medical groups
- Gastroenterology Associates of Brooklyn PLLCBrooklyn, NY · 16 clinicians
- Gastroenterology Associates of Bayridge PLLCBrooklyn, NY · 13 clinicians
- Chuansheng Wang Medical PCElmhurst, NY · 2 clinicians
Industry payments (Open Payments)
- 2025$217.04 · 9 payments from 4 companies
- 2024$74.12 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Celltrion USA Inc. | $109.02 | 4 |
| Janssen Biotech, Inc. | $45.27 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $43.02 | 2 |
| Ipsen Biopharmaceuticals, Inc | $19.73 | 1 |
What the 2025 payments were for
- Food and Beverage$217.04 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 540 anesthesiologists in Brooklyn · All anesthesiologists in New York