Matthew Littlefield, M.D.
NPI 1861640146ActiveIndividual· Psychiatry & Neurology, Psychiatry· Pittsburg, CA
Psychiatry & Neurology, Psychiatry (M.D.) with Permanente Medical Group Inc, practicing in Pittsburg, California. Part D covered 2,467 prescriptions written in 2024, 96% of them generic.
Overview
| NPI | 1861640146 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 29, 2008 |
| Last updated in NPPES | Feb 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A114067 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Psychiatry (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,467 · 5,221 30-day fills |
|---|---|
| Patients | 304 |
| Total drug cost | $236,185 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Psychiatry |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 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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