William Arthur Seiffert, MD
NPI 1669563284ActiveIndividual· Internal Medicine· Las Cruces, NM
Internal Medicine (MD) in Las Cruces, New Mexico, licensed in NM, with an NPI issued in September 2006. Part D covered 35 prescriptions written in 2024, 97% of them generic.
Overview
| NPI | 1669563284 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 27, 2006 |
| Last updated in NPPES | May 11, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD2009-0068 | NM |
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 - Internal Medicine (NM) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 35 · 91 30-day fills |
|---|---|
| Total drug cost | $451.41 |
| Generic share | 97% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Las Cruces
- 1063445666
- 1124021225
- 1134112410
- 1164001632
- 1184008153
- 1235585183
- 1396739579
- 1407383417
- 1457346652
- 1457747289
- 1457791113
- 1568818243
All 77 internal medicine physicians in Las Cruces · All internal medicine physicians in New Mexico