Matthew Blum
NPI 1558892372ActiveIndividual· Internal Medicine, Nephrology· Madison, WI
Internal Medicine, Nephrology in Madison, Wisconsin, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $77,219 for 669 claims, against $47,758 paid for services in 2024.
Overview
| NPI | 1558892372 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 23, 2017 |
| Last updated in NPPES | Jan 30, 2026 |
| Certified by provider | Jan 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 82059 | 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 - Nephrology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 312 |
|---|---|
| Services billed | 934 across 29 procedure codes |
| Paid by Medicare | $47,758 |
Part D prescriptions in 2024
| Prescriptions (claims) | 669 · 1,480 30-day fills |
|---|---|
| Patients | 123 |
| Total drug cost | $77,219 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
Hospital affiliations
- Reedsburg Area Medical CenterReedsburg, WI
- Sauk Prairie HospitalPrairie Du Sac, WI
- Unitypoint Health - MeriterMadison, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Madison
- 1730804477
- 1225119522
- 1477896355
- 1609459866
- 1972947877
- 1841727021
- 1851521736
- 1780948703
- 1992771901
- 1023216603
- 1427357847
- 1295773596