Dennis Keith Alfaro, M.D.
NPI 1407847718ActiveIndividual· Emergency Medicine· Pleasanton, CA
Emergency Medicine (M.D.) in Pleasanton, California, licensed in CA, with an NPI issued in November 2005. 459 Medicare patients in 2024, $86,691 paid; nearly all of their 560 Part D prescriptions were generic (91%).
Overview
| NPI | 1407847718 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 4, 2005 |
| Last updated in NPPES | Jul 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | G67215 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 459 |
|---|---|
| Services billed | 988 across 28 procedure codes |
| Paid by Medicare | $86,691 |
Part D prescriptions in 2024
| Prescriptions (claims) | 560 · 560 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $9,904 |
| Generic share | 91% 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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