Kauseruzzaman A. Khan, MD
NPI 1093724304ActiveIndividual· Internal Medicine· Janesville, WI
Internal Medicine (MD) with Mercy Health System Corporation and 2 other groups, practicing in Janesville, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $55,067 for 575 claims, against $30,880 paid for services in 2024. Lists Ascension All Saints Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1093724304 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | Dec 8, 2021 |
| Certified by provider | Dec 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 45246 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (TX); Practitioner - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 213 |
|---|---|
| Services billed | 476 across 12 procedure codes |
| Paid by Medicare | $30,880 |
Part D prescriptions in 2024
| Prescriptions (claims) | 575 · 811 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $55,067 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical groups
- Mercy Health System CorporationJanesville, WI · 753 clinicians
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI · 545 clinicians
- Medical Center Hospitalist Associates PLLCHouston, TX · 33 clinicians
Hospital affiliations
- Ascension All Saints HospitalRacine, WI
- Houston Methodist Baytown HospitalBaytown, TX
- Houston Methodist HospitalHouston, TX
- Mercy Health System CorpJanesville, WI
- Mercy Walworth Hospital & Medical CenterLake Geneva, 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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