Alexander Nguyen Ali Malekzadeh, D.O.
NPI 1669799680ActiveIndividual· Psychiatry & Neurology, Psychiatry· Pleasant Hill, CA
Psychiatry & Neurology, Psychiatry (D.O.) in Pleasant Hill, California, licensed in CA, with an NPI issued in April 2010. Their prescriptions cost Medicare Part D more than their services did: $26,608 for 389 claims, against $3,061 paid for services in 2024.
Overview
| NPI | 1669799680 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Apr 29, 2010 |
| Last updated in NPPES | Nov 5, 2024 |
| Certified by provider | Nov 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 20A13830 | CA |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | 13830 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 26 across 3 procedure codes |
| Paid by Medicare | $3,061 |
Part D prescriptions in 2024
| Prescriptions (claims) | 389 · 668 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $26,608 |
| Generic share | 95% 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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