David Chi Song Weng, M.D.
NPI 1124102504ActiveIndividual· Psychiatry & Neurology, Psychiatry· New York, NY
Psychiatry & Neurology, Psychiatry (M.D.) in New York, New York, trained at Icahn School of Medicine at Mount Sinai (class of 1985). 78 Medicare patients in 2024, $180,308 paid; nearly all of their 887 Part D prescriptions were generic (96%). Eisai Inc. was the largest of 2 companies reporting payments in 2024, $47.22 in all, mostly food and beverage.
Overview
| NPI | 1124102504 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 24, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 169090 | 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 - Psychiatry (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 78 |
|---|---|
| Services billed | 2,296 across 4 procedure codes |
| Paid by Medicare | $180,308 |
Part D prescriptions in 2024
| Prescriptions (claims) | 887 · 1,369 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $34,267 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2024$47.22 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $26.43 | 1 |
| Celgene Corporation | $20.79 | 1 |
What the 2024 payments were for
- Food and Beverage$47.22 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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