Steven E. Knaus, MD
NPI 1457332215ActiveIndividual· Internal Medicine· Neenah, WI
Internal Medicine (MD) in Neenah, Wisconsin, trained at Medical College of Wisconsin (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,128,540 for 14,101 claims, against $99,808 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $139.03 in all, mostly food and beverage.
Overview
| NPI | 1457332215 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 9, 2005 |
| Last updated in NPPES | May 29, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 32321 | 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 | 275 |
|---|---|
| Services billed | 2,582 across 60 procedure codes |
| Paid by Medicare | $99,808 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,101 · 33,561 30-day fills |
|---|---|
| Patients | 813 |
| Total drug cost | $1,128,540 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Thedacare, IncorporatedWaupaca, WI · 647 clinicians
Hospital affiliations
- Thedacare Medical Center - New LondonNew London, WI
- Thedacare Medical Center-WaupacaWaupaca, WI
- Thedacare Regional Med Ctr - NeenahNeenah, WI
- Thedacare Regional Medical Center - Appleton IncAppleton, WI
Other facilities
- Thedacare at HomeHome health agency · Appleton, WI
- Thedacare at HomeHospice · Appleton, WI
Industry payments (Open Payments)
- 2025$139.03 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $125.50 | 1 |
| E.R. Squibb & Sons, L.L.C. | $13.53 | 1 |
What the 2025 payments were for
- Food and Beverage$125.50 · 1 payment
- Education$13.53 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 internal medicine physicians in Neenah · All internal medicine physicians in Wisconsin