William Shaffer, MD
NPI 1073548459ActiveIndividual· Internal Medicine· Bloomington, MN
Internal Medicine (MD) in Bloomington, Minnesota, licensed in MN, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $351,622 for 4,223 claims, against $21,757 paid for services in 2024.
Overview
| NPI | 1073548459 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Mar 11, 2021 |
| Certified by provider | Mar 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 30779 | MN |
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 (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 147 |
|---|---|
| Services billed | 1,185 across 88 procedure codes |
| Paid by Medicare | $21,757 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,223 · 10,767 30-day fills |
|---|---|
| Patients | 437 |
| Total drug cost | $351,622 |
| Generic share | 89% 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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All 42 internal medicine physicians in Bloomington · All internal medicine physicians in Minnesota