Alejandro Leonides Yambing Perez, M.D.
NPI 1275951832ActiveIndividual· Psychiatry & Neurology, Forensic Psychiatry· Atascadero, CA
Psychiatry & Neurology, Forensic Psychiatry (M.D.) with Department of State Hospitals and 1 other group, practicing in Atascadero, California. 23 Medicare patients in 2024, $3,054 paid; nearly all of their 52 Part D prescriptions were generic (98%). Alkermes, Inc. was the largest of 2 companies reporting payments in 2025, $225.73 in all, mostly food and beverage.
Overview
| NPI | 1275951832 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 1, 2014 |
| Last updated in NPPES | Jan 11, 2022 |
| Certified by provider | Jan 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Forensic Psychiatry Primary | 2084F0202X | A137765 | CA |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | A137765 | 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); Practitioner - Psychiatry (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 23 |
|---|---|
| Services billed | 60 across 7 procedure codes |
| Paid by Medicare | $3,054 |
Part D prescriptions in 2024
| Prescriptions (claims) | 52 · 56 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $1,738 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical groups
- Department of State HospitalsNapa, CA · 270 clinicians
- Evolve Psychiatry MD, Inc.Frisco, TX · 9 clinicians
Industry payments (Open Payments)
- 2025$225.73 · 2 payments from 2 companies
- 2024$116.78 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alkermes, Inc. | $123.98 | 1 |
| Janssen Pharmaceuticals, Inc | $101.75 | 1 |
What the 2025 payments were for
- Food and Beverage$225.73 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 Psychiatry & Neurology, Forensic Psychiatry providers in Atascadero · All Psychiatry & Neurology, Forensic Psychiatry providers in California