Matthew Stemm, M.D.
NPI 1538470539ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Chicago, IL
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) in Chicago, Illinois, trained at Medical College of Wisconsin (class of 2010). Medicare paid $64,221 for services to 956 patients in 2024.
Overview
| NPI | 1538470539 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 24, 2010 |
| Last updated in NPPES | Jun 24, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 125-058666 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pathology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 956 |
|---|---|
| Services billed | 2,607 across 39 procedure codes |
| Paid by Medicare | $64,221 |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Pathology |
Medical group
- North Shore Pathologists SCMilwaukee, WI · 15 clinicians
Hospital affiliations
- Ascension All Saints HospitalRacine, WI
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI
- Ascension Ne Wisconsin - St Elizabeth CampusAppleton, WI
- Ascension Se Wisconsin HospitalMilwaukee, WI
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 320 pathologists in Chicago · All pathologists in Illinois