Timothy L. Chamberlain, MD
NPI 1942235353ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Green Bay, WI
Pathology, Anatomic Pathology & Clinical Pathology (MD) in Green Bay, Wisconsin, trained at Indiana University School of Medicine (class of 1991). Medicare paid $23,377 for services to 341 patients in 2024.
Overview
| NPI | 1942235353 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Sep 29, 2026 |
| Certified by provider | Dec 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 37792 | 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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 341 |
|---|---|
| Services billed | 763 across 22 procedure codes |
| Paid by Medicare | $23,377 |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Pathology |
Medical group
- Great Lakes Pathologists SCBurlington, WI · 55 clinicians
Hospital affiliations
- Aurora Baycare Medical CtrGreen Bay, WI
- Aurora Medical Center Bay AreaMarinette, WI
- Aurora Medical Center Sheboygan CountySheboygan, WI
- Aurora Medical Ctr Manitowoc CountyTwo Rivers, 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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