William F. Flader, M.D.
NPI 1487678991ActiveIndividual· Emergency Medicine· Smithtown, NY
Emergency Medicine (M.D.) with City Medical of Upper East Side PLLC, practicing in Smithtown, New York. 621 Medicare patients in 2024, $72,846 paid; nearly all of their 494 Part D prescriptions were generic (92%).
Overview
| NPI | 1487678991 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 163266 | 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 - Emergency Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 621 |
|---|---|
| Services billed | 1,284 across 63 procedure codes |
| Paid by Medicare | $72,846 |
Part D prescriptions in 2024
| Prescriptions (claims) | 494 · 494 30-day fills |
|---|---|
| Patients | 379 |
| Total drug cost | $12,133 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- City Medical of Upper East Side PLLCAstoria, NY · 658 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 emergency medicine physicians in Smithtown · All emergency medicine physicians in New York