Jacob J. Oyer, M.D.
NPI 1376961235ActiveIndividual· Psychiatry & Neurology, Psychiatry· Amherst, MA
Psychiatry & Neurology, Psychiatry (M.D.) in Amherst, Massachusetts, trained at Tufts University School of Medicine (class of 2013). Mostly services rather than prescriptions: Medicare paid $13,213 for 76 patients in 2024, with only 13 Part D claims.
Overview
| NPI | 1376961235 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 28, 2014 |
| Last updated in NPPES | Oct 23, 2024 |
| Certified by provider | Oct 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 274373 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 76 |
|---|---|
| Services billed | 133 across 8 procedure codes |
| Paid by Medicare | $13,213 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13 · 19 30-day fills |
|---|---|
| Total drug cost | $1,221 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Psychiatry |
Medical group
- Baystate Medical Practices IncSpringfield, MA · 1,369 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 21 psychiatrists in Amherst · All psychiatrists in Massachusetts