Joseph John Maleszewski, M.D.
NPI 1437204823ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Rochester, MN
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) in Rochester, Minnesota, trained at Michigan State University College of Human Medicine (class of 2005). Medicare paid $9,828 for services to 131 patients in 2024. Biosense Webster, Inc. reported $30,372 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1437204823 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 24, 2007 |
| Last updated in NPPES | Oct 6, 2020 |
| Certified by provider | Oct 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 52292 | MN |
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 - Pathology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 131 |
|---|---|
| Services billed | 410 across 18 procedure codes |
| Paid by Medicare | $9,828 |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Pathology |
Medical group
- Mayo ClinicRochester, MN · 4,956 clinicians
Hospital affiliation
- Mayo Clinic Hospital RochesterRochester, MN
Industry payments (Open Payments)
- 2025$30,372 · 30 payments from 1 company
- 2024$21,602 · 32 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biosense Webster, Inc. | $30,372 | 30 |
What the 2025 payments were for
- Consulting Fee$25,900 · 2 payments
- Travel and Lodging$3,714 · 10 payments
- Food and Beverage$757.90 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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