Karen M. Loomans, MD
NPI 1649246596ActiveIndividual· Internal Medicine· Waunakee, WI
Internal Medicine (MD) in Waunakee, Wisconsin, licensed in WI, with an NPI issued in February 2006. 254 Medicare patients in 2024, $22,566 paid; nearly all of their 304 Part D prescriptions were generic (93%).
Overview
| NPI | 1649246596 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 28, 2006 |
| Last updated in NPPES | Oct 3, 2025 |
| Certified by provider | Oct 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 31274 | WI |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 254 |
|---|---|
| Services billed | 667 across 29 procedure codes |
| Paid by Medicare | $22,566 |
Part D prescriptions in 2024
| Prescriptions (claims) | 304 · 417 30-day fills |
|---|---|
| Patients | 206 |
| Total drug cost | $8,652 |
| Generic share | 93% 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 providers in Waunakee
- 1831367887