Eyad S. Al-Hattab, MD
Internal Medicine, Medical Oncology (MD) with Mayo Clinic Health System-Northwest Wisconsin Region Inc, practicing in Eau Claire, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $5,533,974 for 1,573 claims, against $48,134 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $111.74 in payments in 2025, mostly education. Lists Cumberland Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1750395745 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Apr 19, 2024 |
| Certified by provider | Apr 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 63955 | WI |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 63955-20 | 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 - Medical Oncology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 298 |
|---|---|
| Services billed | 810 across 15 procedure codes |
| Paid by Medicare | $48,134 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,573 · 1,924 30-day fills |
|---|---|
| Patients | 281 |
| Total drug cost | $5,533,974 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI · 802 clinicians
Hospital affiliations
- Cumberland Memorial HospitalCumberland, WI
- Mayo Clinic Health System Chippewa ValleyBloomer, WI
- Mayo Clinic Health System Eau Claire HospitalEau Claire, WI
- Mayo Clinic Health System-NorthlandBarron, WI
- Mayo Clinic Health System-Red Cedar IncMenomonie, WI
Other facilities
- St Croix Hospice Eau ClaireHospice · Eau Claire, WI
Industry payments (Open Payments)
- 2025$111.74 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $111.74 | 2 |
What the 2025 payments were for
- Education$111.74 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in Eau Claire
- 1013972009
- 1770826521
- 1255817300
- 1891744652
All Internal Medicine, Medical Oncology providers in Wisconsin →