Hak J. Ko, MD
NPI 1154398055ActiveIndividual· Psychiatry & Neurology, Psychiatry· Williamsville, NY
Psychiatry & Neurology, Psychiatry (MD) in Williamsville, New York, licensed in NY, with an NPI issued in March 2006. Part D covered 33 prescriptions written in 2024, 100% of them generic.
Overview
| NPI | 1154398055 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 1, 2006 |
| Last updated in NPPES | Jul 5, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 137567 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Psychiatry (NM); Practitioner - Psychiatry (NY) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 33 · 33 30-day fills |
|---|---|
| Total drug cost | $185.53 |
| Generic share | 100% of claims |
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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