Gregory Charles Sazima, MD
NPI 1013020783ActiveIndividual· Psychiatry & Neurology, Psychiatry· Roseville, CA
Psychiatry & Neurology, Psychiatry (MD) in Roseville, California, trained at University of Cincinnati College of Medicine (class of 1987). 58 Medicare patients in 2024, $93,319 paid; nearly all of their 1,013 Part D prescriptions were generic (99%).
Overview
| NPI | 1013020783 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 16, 2006 |
| Last updated in NPPES | Nov 16, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | G068587 | 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 | 58 |
|---|---|
| Services billed | 1,167 across 7 procedure codes |
| Paid by Medicare | $93,319 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,013 · 2,164 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $40,851 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Psychiatry |
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 57 psychiatrists in Roseville · All psychiatrists in California