John Alferes Jr., M.D.
NPI 1679680805ActiveIndividual· Internal Medicine· Portland, OR
Internal Medicine (M.D.) in Portland, Oregon, licensed in OR, with an NPI issued in August 2006. Part D covered 2,673 prescriptions written in 2024, 87% of them generic.
Overview
| NPI | 1679680805 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 24, 2006 |
| Last updated in NPPES | Feb 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OR MD13486 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (OR) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,673 · 6,396 30-day fills |
|---|---|
| Patients | 531 |
| Total drug cost | $125,455 |
| Generic share | 87% of claims |
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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