Karl E. Baum, MD
NPI 1497749402ActiveIndividual· Hospitalist· Oshkosh, WI
Hospitalist (MD) in Oshkosh, Wisconsin, trained at Medical College of Wisconsin (class of 1993). In 2024 Medicare paid $15,203 for 67 patients, and Part D covered 308 of their prescriptions, 87% of them generic.
Overview
| NPI | 1497749402 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 6, 2005 |
| Last updated in NPPES | Oct 18, 2024 |
| Certified by provider | Oct 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 35816 | WI |
| Internal Medicine | 207R00000X | 35816 | WI |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 35816 | 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) | Enrolled Practitioner - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 235 across 7 procedure codes |
| Paid by Medicare | $15,203 |
Part D prescriptions in 2024
| Prescriptions (claims) | 308 · 315 30-day fills |
|---|---|
| Patients | 108 |
| Total drug cost | $16,526 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
Hospital affiliation
- Aurora Medical Ctr OshkoshOshkosh, WI
Other facilities
- Aurora at HomeHospice · Green Bay, WI
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 19 hospitalists in Oshkosh · All hospitalists in Wisconsin