Matthew James Brunner, M.D.
NPI 1568858264ActiveIndividual· Internal Medicine, Hematology & Oncology· Madison, WI
Internal Medicine, Hematology & Oncology (M.D.) in Madison, Wisconsin, trained at Tulane University School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $3,459,891 for 1,040 claims, against $77,037 paid for services in 2024. Genzyme Corporation was the largest of 3 companies reporting payments in 2025, $6,298 in all, mostly consulting fees.
Overview
| NPI | 1568858264 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 9, 2015 |
| Last updated in NPPES | Jul 7, 2022 |
| Certified by provider | Jul 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 67092 | WI |
| Internal Medicine | 207R00000X | 5696 | WI |
| Internal Medicine | 207R00000X | 67092 | WI |
| Internal Medicine, Hematology | 207RH0000X | 67092 | 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 - Hematology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 1,931 across 45 procedure codes |
| Paid by Medicare | $77,037 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,040 · 1,187 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $3,459,891 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Hematology |
| Telehealth | Offers telehealth |
Medical group
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
Hospital affiliations
- Gundersen Lutheran Medical CenterLa Crosse, WI
- Richland HospitalRichland Center, WI
- Unitypoint Health - MeriterMadison, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
Industry payments (Open Payments)
- 2025$6,298 · 5 payments from 3 companies
- 2024$7,514 · 8 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $6,163 | 3 |
| Sun Pharmaceutical Industries Inc. | $110.26 | 1 |
| Legend Biotech USA Inc. | $25.16 | 1 |
What the 2025 payments were for
- Consulting Fee$5,705 · 1 payment
- Travel and Lodging$427.64 · 1 payment
- Food and Beverage$165.47 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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