Alexander Duncan Robertson, MD
NPI 1598407983ActiveIndividual· Psychiatry & Neurology, Psychiatry· Scottsdale, AZ
Psychiatry & Neurology, Psychiatry (MD) in Scottsdale, Arizona, trained at California University of Science and Medicine (class of 2022). Part D covered 95 prescriptions written in 2024, 97% of them generic.
Overview
| NPI | 1598407983 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 7, 2022 |
| Last updated in NPPES | Jul 10, 2026 |
| Certified by provider | Jul 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 72532 | AZ |
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 (AZ) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 95 · 162 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $4,863 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | California University of Science and Medicine |
|---|---|
| Graduation year | 2022 |
| Medicare specialty | Psychiatry |
Medical group
- Az Holding 4, LLCScottsdale, AZ · 14 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 125 psychiatrists in Scottsdale · All psychiatrists in Arizona