Matthew H. Twohig, MD
NPI 1609839851ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Rockford, IL
Pathology, Anatomic Pathology & Clinical Pathology (MD) in Rockford, Illinois, trained at University of Wisconsin School of Medicine (class of 2003). Medicare paid $38,660 for services to 396 patients in 2024.
Overview
| NPI | 1609839851 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 10, 2006 |
| Last updated in NPPES | Jul 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 036.120439 | IL |
| Pathology, Anatomic Pathology & Clinical Pathology | 207ZP0102X | 48462 | WI |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 396 |
|---|---|
| Services billed | 1,525 across 29 procedure codes |
| Paid by Medicare | $38,660 |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Pathology |
Medical group
- Rockford Associated Pathologists LtdRockford, IL · 5 clinicians
Hospital affiliation
- Uw HealthRockford, IL
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 16 pathologists in Rockford · All pathologists in Illinois