Atif Niaz Khan, M.D
NPI 1326303793ActiveIndividual· Internal Medicine, Hematology & Oncology· Eau Claire, WI
Internal Medicine, Hematology & Oncology (M.D) with McHs Hospitals Inc and 1 other group, practicing in Eau Claire, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $287,033 for 171 claims, against $179,485 paid for services in 2024. Janssen Biotech, Inc. was the largest of 7 companies reporting payments in 2025, $194.53 in all, mostly food and beverage. Lists Adventhealth Deland and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1326303793 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jul 11, 2012 |
| Last updated in NPPES | May 18, 2026 |
| Certified by provider | May 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 63362 | WI |
| Hospitalist | 208M00000X | 63362 | WI |
| Internal Medicine | 207R00000X | 63362 | WI |
| Internal Medicine, Hematology & Oncology | 207RH0003X | ME145884 | FL |
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 - Hematology/Oncology (FL); Practitioner - Hematology/Oncology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 127 |
|---|---|
| Services billed | 19,055 across 75 procedure codes |
| Paid by Medicare | $179,485 |
Part D prescriptions in 2024
| Prescriptions (claims) | 171 · 219 30-day fills |
|---|---|
| Patients | 56 |
| Total drug cost | $287,033 |
| Generic share | 54% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Hospitalist |
Medical groups
- McHs Hospitals IncMarshfield, WI · 1,197 clinicians
- Mid-Florida Cancer Centers LLCOrange City, FL · 13 clinicians
Hospital affiliations
- Adventhealth DelandDeland, FL
- Adventhealth Fish MemorialOrange City, FL
- Marshfield Medical Center - Eau ClaireEau Claire, WI
- Marshfield Medical Center - LadysmithLadysmith, WI
Industry payments (Open Payments)
- 2025$194.53 · 9 payments from 7 companies
- 2024$37.28 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $46.90 | 2 |
| Dendreon Pharmaceuticals LLC | $35.67 | 2 |
| Pfizer Inc. | $28.66 | 1 |
| Novartis Pharmaceuticals Corporation | $26.83 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $19.68 | 1 |
What the 2025 payments were for
- Food and Beverage$194.53 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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