John D. Mesaros, MD
NPI 1669587580ActiveIndividual· Psychiatry & Neurology, Psychiatry· Berkeley, CA
Psychiatry & Neurology, Psychiatry (MD) in Berkeley, California, trained at Michigan State University College of Human Medicine (class of 1992). Part D covered 126 prescriptions written in 2024, 100% of them generic.
Overview
| NPI | 1669587580 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 20, 2006 |
| Last updated in NPPES | May 3, 2020 |
| Certified by provider | May 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | G131019 | 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 (MI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 126 · 131 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $3,272 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- The Guidance CenterSouthgate, MI · 25 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 126 psychiatrists in Berkeley · All psychiatrists in California